Sn2N2O is Spinel-like structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one N(13), one N(2), one N(4), one N(5), one O(1), and one O(5) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 52-60°. In the second Sn site, Sn(2) is bonded to one N(13), one N(16), one N(2), one N(7), one O(2), and one O(8) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-60°. In the third Sn site, Sn(3) is bonded to one N(2), one N(3), one N(7), one O(1), one O(3), and one O(6) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra, and  an edgeedge with one Sn(8)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. In the fourth Sn site, Sn(4) is bonded to one N(1), one N(11), one N(13), one N(8), one O(5), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 54-60°. In the fifth Sn site, Sn(5) is bonded to one N(10), one N(13), one N(4), one N(9), one O(3), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra,  an edgeedge with one Sn(9)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-60°. In the sixth Sn site, Sn(6) is bonded to one N(1), one N(14), one N(2), one O(4), one O(6), and one O(7) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra, and  an edgeedge with one Sn(8)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 51-60°. In the seventh Sn site, Sn(7) is bonded to one N(10), one N(14), one N(6), one O(1), one O(5), and one O(7) atom to form SnN3O3 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 49-56°. In the eighth Sn site, Sn(8) is bonded to one N(11), one N(3), one N(5), one N(9), one O(4), and one O(6) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-57°. In the ninth Sn site, Sn(9) is bonded to one N(1), one N(12), one N(15), one N(4), one N(8), and one O(3) atom to form SnN5O octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(15)N5O octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-59°. In the tenth Sn site, Sn(10) is bonded to one N(12), one N(15), one N(7), one N(9), one O(4), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra,  an edgeedge with one Sn(9)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-56°. In the eleventh Sn site, Sn(11) is bonded to one N(1), one N(11), one N(3), one N(6), one O(3), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-57°. In the twelfth Sn site, Sn(12) is bonded to one N(11), one N(15), one N(16), one N(5), one N(6), and one O(1) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-60°. In the thirteenth Sn site, Sn(13) is bonded to one N(12), one N(3), one N(7), one N(8), one O(2), and one O(5) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-58°. In the fourteenth Sn site, Sn(14) is bonded to one N(10), one N(15), one N(4), one N(6), one O(2), and one O(4) atom to form distorted SnN4O2 pentagonal pyramids that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-57°. In the fifteenth Sn site, Sn(15) is bonded to one N(12), one N(14), one N(16), one N(5), one N(9), and one O(8) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-59°. In the sixteenth Sn site, Sn(16) is bonded to one N(10), one N(14), one N(16), one N(8), one O(2), and one O(6) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-57°. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Sn(11), one Sn(4), one Sn(6), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the second N site, N(2) is bonded to one Sn(1), one Sn(2), one Sn(3), and one Sn(6) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 trigonal pyramid,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the third N site, N(3) is bonded to one Sn(11), one Sn(13), one Sn(3), and one Sn(8) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 trigonal pyramid,  an edgeedge with one N(7)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Sn(1), one Sn(14), one Sn(5), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the fifth N site, N(5) is bonded in a distorted rectangular see-saw-like geometry to one Sn(1), one Sn(12), one Sn(15), and one Sn(8) atom. In the sixth N site, N(6) is bonded to one Sn(11), one Sn(12), one Sn(14), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 trigonal pyramid, and  an edgeedge with one O(1)Sn4 trigonal pyramid. In the seventh N site, N(7) is bonded to one Sn(10), one Sn(13), one Sn(2), and one Sn(3) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Sn(13), one Sn(16), one Sn(4), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Sn(10), one Sn(15), one Sn(5), and one Sn(8) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Sn(14), one Sn(16), one Sn(5), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Sn(11), one Sn(12), one Sn(4), and one Sn(8) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one N(6)Sn4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Sn(10), one Sn(13), one Sn(15), and one Sn(9) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 trigonal pyramid, and  an edgeedge with one N(9)Sn4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Sn(1), one Sn(2), one Sn(4), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Sn(15), one Sn(16), one Sn(6), and one Sn(7) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(16)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Sn(10), one Sn(12), one Sn(14), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the sixteenth N site, N(16) is bonded to one Sn(12), one Sn(15), one Sn(16), and one Sn(2) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra, and  an edgeedge with one O(2)Sn4 trigonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sn(1), one Sn(12), one Sn(3), and one Sn(7) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the second O site, O(2) is bonded to one Sn(13), one Sn(14), one Sn(16), and one Sn(2) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(16)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid, and  an edgeedge with one N(7)Sn4 trigonal pyramid. In the third O site, O(3) is bonded to one Sn(11), one Sn(3), one Sn(5), and one Sn(9) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one N(4)Sn4 tetrahedra. In the fourth O site, O(4) is bonded to one Sn(10), one Sn(14), one Sn(6), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fifth O site, O(5) is bonded to one Sn(1), one Sn(13), one Sn(4), and one Sn(7) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the sixth O site, O(6) is bonded to one Sn(16), one Sn(3), one Sn(6), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Sn(10), one Sn(4), one Sn(6), and one Sn(7) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Sn(11), one Sn(15), one Sn(2), and one Sn(5) atom.
Sn2N2O is Spinel-like structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one N(13), one N(2), one N(4), one N(5), one O(1), and one O(5) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 52-60°. The Sn(1)-N(13) bond length is 2.17 Å. The Sn(1)-N(2) bond length is 2.19 Å. The Sn(1)-N(4) bond length is 2.14 Å. The Sn(1)-N(5) bond length is 2.08 Å. The Sn(1)-O(1) bond length is 2.36 Å. The Sn(1)-O(5) bond length is 2.35 Å. In the second Sn site, Sn(2) is bonded to one N(13), one N(16), one N(2), one N(7), one O(2), and one O(8) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-60°. The Sn(2)-N(13) bond length is 2.17 Å. The Sn(2)-N(16) bond length is 2.13 Å. The Sn(2)-N(2) bond length is 2.21 Å. The Sn(2)-N(7) bond length is 2.14 Å. The Sn(2)-O(2) bond length is 2.25 Å. The Sn(2)-O(8) bond length is 2.28 Å. In the third Sn site, Sn(3) is bonded to one N(2), one N(3), one N(7), one O(1), one O(3), and one O(6) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra, and  an edgeedge with one Sn(8)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. The Sn(3)-N(2) bond length is 2.17 Å. The Sn(3)-N(3) bond length is 2.18 Å. The Sn(3)-N(7) bond length is 2.16 Å. The Sn(3)-O(1) bond length is 2.14 Å. The Sn(3)-O(3) bond length is 2.13 Å. The Sn(3)-O(6) bond length is 2.29 Å. In the fourth Sn site, Sn(4) is bonded to one N(1), one N(11), one N(13), one N(8), one O(5), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 54-60°. The Sn(4)-N(1) bond length is 2.20 Å. The Sn(4)-N(11) bond length is 2.09 Å. The Sn(4)-N(13) bond length is 2.11 Å. The Sn(4)-N(8) bond length is 2.20 Å. The Sn(4)-O(5) bond length is 2.29 Å. The Sn(4)-O(7) bond length is 2.37 Å. In the fifth Sn site, Sn(5) is bonded to one N(10), one N(13), one N(4), one N(9), one O(3), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra,  an edgeedge with one Sn(9)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-60°. The Sn(5)-N(10) bond length is 2.11 Å. The Sn(5)-N(13) bond length is 2.21 Å. The Sn(5)-N(4) bond length is 2.21 Å. The Sn(5)-N(9) bond length is 2.15 Å. The Sn(5)-O(3) bond length is 2.36 Å. The Sn(5)-O(8) bond length is 2.24 Å. In the sixth Sn site, Sn(6) is bonded to one N(1), one N(14), one N(2), one O(4), one O(6), and one O(7) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra, and  an edgeedge with one Sn(8)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 51-60°. The Sn(6)-N(1) bond length is 2.12 Å. The Sn(6)-N(14) bond length is 2.14 Å. The Sn(6)-N(2) bond length is 2.10 Å. The Sn(6)-O(4) bond length is 2.23 Å. The Sn(6)-O(6) bond length is 2.35 Å. The Sn(6)-O(7) bond length is 2.27 Å. In the seventh Sn site, Sn(7) is bonded to one N(10), one N(14), one N(6), one O(1), one O(5), and one O(7) atom to form SnN3O3 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 49-56°. The Sn(7)-N(10) bond length is 2.16 Å. The Sn(7)-N(14) bond length is 2.16 Å. The Sn(7)-N(6) bond length is 2.14 Å. The Sn(7)-O(1) bond length is 2.20 Å. The Sn(7)-O(5) bond length is 2.15 Å. The Sn(7)-O(7) bond length is 2.24 Å. In the eighth Sn site, Sn(8) is bonded to one N(11), one N(3), one N(5), one N(9), one O(4), and one O(6) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-57°. The Sn(8)-N(11) bond length is 2.13 Å. The Sn(8)-N(3) bond length is 2.18 Å. The Sn(8)-N(5) bond length is 2.21 Å. The Sn(8)-N(9) bond length is 2.17 Å. The Sn(8)-O(4) bond length is 2.27 Å. The Sn(8)-O(6) bond length is 2.22 Å. In the ninth Sn site, Sn(9) is bonded to one N(1), one N(12), one N(15), one N(4), one N(8), and one O(3) atom to form SnN5O octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(15)N5O octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-59°. The Sn(9)-N(1) bond length is 2.19 Å. The Sn(9)-N(12) bond length is 2.16 Å. The Sn(9)-N(15) bond length is 2.22 Å. The Sn(9)-N(4) bond length is 2.16 Å. The Sn(9)-N(8) bond length is 2.27 Å. The Sn(9)-O(3) bond length is 2.31 Å. In the tenth Sn site, Sn(10) is bonded to one N(12), one N(15), one N(7), one N(9), one O(4), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra,  an edgeedge with one Sn(9)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-56°. The Sn(10)-N(12) bond length is 2.21 Å. The Sn(10)-N(15) bond length is 2.21 Å. The Sn(10)-N(7) bond length is 2.10 Å. The Sn(10)-N(9) bond length is 2.22 Å. The Sn(10)-O(4) bond length is 2.30 Å. The Sn(10)-O(7) bond length is 2.18 Å. In the eleventh Sn site, Sn(11) is bonded to one N(1), one N(11), one N(3), one N(6), one O(3), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-57°. The Sn(11)-N(1) bond length is 2.22 Å. The Sn(11)-N(11) bond length is 2.20 Å. The Sn(11)-N(3) bond length is 2.25 Å. The Sn(11)-N(6) bond length is 2.11 Å. The Sn(11)-O(3) bond length is 2.29 Å. The Sn(11)-O(8) bond length is 2.15 Å. In the twelfth Sn site, Sn(12) is bonded to one N(11), one N(15), one N(16), one N(5), one N(6), and one O(1) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(16)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(1)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 52-60°. The Sn(12)-N(11) bond length is 2.18 Å. The Sn(12)-N(15) bond length is 2.14 Å. The Sn(12)-N(16) bond length is 2.20 Å. The Sn(12)-N(5) bond length is 2.21 Å. The Sn(12)-N(6) bond length is 2.24 Å. The Sn(12)-O(1) bond length is 2.45 Å. In the thirteenth Sn site, Sn(13) is bonded to one N(12), one N(3), one N(7), one N(8), one O(2), and one O(5) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(15)N5O octahedra,  a cornercorner with one Sn(14)N4O2 pentagonal pyramid,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(4)N4O2 octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-58°. The Sn(13)-N(12) bond length is 2.17 Å. The Sn(13)-N(3) bond length is 2.13 Å. The Sn(13)-N(7) bond length is 2.21 Å. The Sn(13)-N(8) bond length is 2.18 Å. The Sn(13)-O(2) bond length is 2.37 Å. The Sn(13)-O(5) bond length is 2.22 Å. In the fourteenth Sn site, Sn(14) is bonded to one N(10), one N(15), one N(4), one N(6), one O(2), and one O(4) atom to form distorted SnN4O2 pentagonal pyramids that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(2)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-57°. The Sn(14)-N(10) bond length is 2.20 Å. The Sn(14)-N(15) bond length is 2.18 Å. The Sn(14)-N(4) bond length is 2.24 Å. The Sn(14)-N(6) bond length is 2.23 Å. The Sn(14)-O(2) bond length is 2.13 Å. The Sn(14)-O(4) bond length is 2.25 Å. In the fifteenth Sn site, Sn(15) is bonded to one N(12), one N(14), one N(16), one N(5), one N(9), and one O(8) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(7)N3O3 octahedra,  a cornercorner with one Sn(1)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(16)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-59°. The Sn(15)-N(12) bond length is 2.10 Å. The Sn(15)-N(14) bond length is 2.17 Å. The Sn(15)-N(16) bond length is 2.19 Å. The Sn(15)-N(5) bond length is 2.22 Å. The Sn(15)-N(9) bond length is 2.24 Å. The Sn(15)-O(8) bond length is 2.43 Å. In the sixteenth Sn site, Sn(16) is bonded to one N(10), one N(14), one N(16), one N(8), one O(2), and one O(6) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(4)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(9)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(7)N3O3 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(2)N4O2 octahedra,  an edgeedge with one Sn(15)N5O octahedra, and  an edgeedge with one Sn(14)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 53-57°. The Sn(16)-N(10) bond length is 2.18 Å. The Sn(16)-N(14) bond length is 2.21 Å. The Sn(16)-N(16) bond length is 2.22 Å. The Sn(16)-N(8) bond length is 2.12 Å. The Sn(16)-O(2) bond length is 2.35 Å. The Sn(16)-O(6) bond length is 2.18 Å. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Sn(11), one Sn(4), one Sn(6), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the second N site, N(2) is bonded to one Sn(1), one Sn(2), one Sn(3), and one Sn(6) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 trigonal pyramid,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the third N site, N(3) is bonded to one Sn(11), one Sn(13), one Sn(3), and one Sn(8) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 trigonal pyramid,  an edgeedge with one N(7)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Sn(1), one Sn(14), one Sn(5), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the fifth N site, N(5) is bonded in a distorted rectangular see-saw-like geometry to one Sn(1), one Sn(12), one Sn(15), and one Sn(8) atom. In the sixth N site, N(6) is bonded to one Sn(11), one Sn(12), one Sn(14), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 trigonal pyramid, and  an edgeedge with one O(1)Sn4 trigonal pyramid. In the seventh N site, N(7) is bonded to one Sn(10), one Sn(13), one Sn(2), and one Sn(3) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Sn(13), one Sn(16), one Sn(4), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Sn(10), one Sn(15), one Sn(5), and one Sn(8) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Sn(14), one Sn(16), one Sn(5), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Sn(11), one Sn(12), one Sn(4), and one Sn(8) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one N(6)Sn4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Sn(10), one Sn(13), one Sn(15), and one Sn(9) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 trigonal pyramid, and  an edgeedge with one N(9)Sn4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Sn(1), one Sn(2), one Sn(4), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Sn(15), one Sn(16), one Sn(6), and one Sn(7) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  an edgeedge with one N(16)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Sn(10), one Sn(12), one Sn(14), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the sixteenth N site, N(16) is bonded to one Sn(12), one Sn(15), one Sn(16), and one Sn(2) atom to form NSn4 tetrahedra that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra, and  an edgeedge with one O(2)Sn4 trigonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sn(1), one Sn(12), one Sn(3), and one Sn(7) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the second O site, O(2) is bonded to one Sn(13), one Sn(14), one Sn(16), and one Sn(2) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(5)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(16)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 trigonal pyramid, and  an edgeedge with one N(7)Sn4 trigonal pyramid. In the third O site, O(3) is bonded to one Sn(11), one Sn(3), one Sn(5), and one Sn(9) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one N(4)Sn4 tetrahedra. In the fourth O site, O(4) is bonded to one Sn(10), one Sn(14), one Sn(6), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 tetrahedra,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fifth O site, O(5) is bonded to one Sn(1), one Sn(13), one Sn(4), and one Sn(7) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 tetrahedra,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the sixth O site, O(6) is bonded to one Sn(16), one Sn(3), one Sn(6), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(16)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Sn(10), one Sn(4), one Sn(6), and one Sn(7) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(8)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 trigonal pyramid,  a cornercorner with one N(11)Sn4 trigonal pyramid,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(6)Sn4 trigonal pyramid,  a cornercorner with one N(7)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(5)Sn4 trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Sn(11), one Sn(15), one Sn(2), and one Sn(5) atom.