Ti2N2O is Spinel-like structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one N(1), one N(14), one N(4), one N(7), one O(3), and one O(6) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-57°. In the second Ti site, Ti(2) is bonded to one N(14), one N(3), one N(5), one N(9), one O(2), and one O(6) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 49-55°. In the third Ti site, Ti(3) is bonded to one N(11), one N(15), one N(4), one N(8), one O(1), and one O(5) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 47-57°. In the fourth Ti site, Ti(4) is bonded to one N(10), one N(12), one N(2), one N(7), one O(4), and one O(8) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(11)N5O octahedra,  an edgeedge with one Ti(15)N5O octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the fifth Ti site, Ti(5) is bonded to one N(1), one N(2), one N(7), one O(2), one O(5), and one O(7) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(11)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the sixth Ti site, Ti(6) is bonded to one N(12), one N(13), one N(4), one N(5), one O(1), and one O(6) atom to form distorted TiN4O2 pentagonal pyramids that share  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(11)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the seventh Ti site, Ti(7) is bonded to one N(10), one N(13), one N(4), one N(9), one O(5), and one O(7) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-54°. In the eighth Ti site, Ti(8) is bonded to one N(1), one N(14), one N(3), one O(1), one O(4), and one O(8) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-56°. In the ninth Ti site, Ti(9) is bonded to one N(10), one N(12), one N(15), one N(3), one N(6), and one O(5) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the tenth Ti site, Ti(10) is bonded to one N(11), one N(2), one N(5), one O(1), one O(4), and one O(7) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 51-55°. In the eleventh Ti site, Ti(11) is bonded to one N(12), one N(15), one N(16), one N(5), one N(7), and one O(2) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 51-53°. In the twelfth Ti site, Ti(12) is bonded to one N(11), one N(2), one N(6), one N(8), one O(3), and one O(6) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-54°. In the thirteenth Ti site, Ti(13) is bonded to one N(1), one N(13), one N(16), one N(6), one O(3), and one O(7) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 52-56°. In the fourteenth Ti site, Ti(14) is bonded to one N(15), one N(3), one N(8), one N(9), one O(3), and one O(4) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the fifteenth Ti site, Ti(15) is bonded to one N(10), one N(11), one N(14), one N(16), one N(6), and one O(8) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the sixteenth Ti site, Ti(16) is bonded to one N(13), one N(16), one N(8), one N(9), one O(2), and one O(8) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 47-58°. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Ti(1), one Ti(13), one Ti(5), and one Ti(8) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(7)Ti4 trigonal pyramid,  an edgeedge with one O(3)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the second N site, N(2) is bonded to one Ti(10), one Ti(12), one Ti(4), and one Ti(5) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(7)Ti4 trigonal pyramid,  an edgeedge with one O(4)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the third N site, N(3) is bonded to one Ti(14), one Ti(2), one Ti(8), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Ti(1), one Ti(3), one Ti(6), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the fifth N site, N(5) is bonded to one Ti(10), one Ti(11), one Ti(2), and one Ti(6) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the sixth N site, N(6) is bonded to one Ti(12), one Ti(13), one Ti(15), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the seventh N site, N(7) is bonded to one Ti(1), one Ti(11), one Ti(4), and one Ti(5) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid, and  an edgeedge with one N(2)Ti4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Ti(12), one Ti(14), one Ti(16), and one Ti(3) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Ti(14), one Ti(16), one Ti(2), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid, and  an edgeedge with one N(8)Ti4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Ti(15), one Ti(4), one Ti(7), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Ti(10), one Ti(12), one Ti(15), and one Ti(3) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(2)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid,  an edgeedge with one N(8)Ti4 trigonal pyramid, and  an edgeedge with one O(1)Ti4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Ti(11), one Ti(4), one Ti(6), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one N(7)Ti4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Ti(13), one Ti(16), one Ti(6), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Ti(1), one Ti(15), one Ti(2), and one Ti(8) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid,  an edgeedge with one O(6)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Ti(11), one Ti(14), one Ti(3), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid, and  an edgeedge with one N(8)Ti4 trigonal pyramid. In the sixteenth N site, N(16) is bonded in a rectangular see-saw-like geometry to one Ti(11), one Ti(13), one Ti(15), and one Ti(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Ti(10), one Ti(3), one Ti(6), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ti(11), one Ti(16), one Ti(2), and one Ti(5) atom. In the third O site, O(3) is bonded to one Ti(1), one Ti(12), one Ti(13), and one Ti(14) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid,  an edgeedge with one N(8)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the fourth O site, O(4) is bonded to one Ti(10), one Ti(14), one Ti(4), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(2)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Ti(3), one Ti(5), one Ti(7), and one Ti(9) atom. In the sixth O site, O(6) is bonded to one Ti(1), one Ti(12), one Ti(2), and one Ti(6) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Ti(10), one Ti(13), one Ti(5), and one Ti(7) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid, and  an edgeedge with one N(2)Ti4 trigonal pyramid. In the eighth O site, O(8) is bonded to one Ti(15), one Ti(16), one Ti(4), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid.
Ti2N2O is Spinel-like structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one N(1), one N(14), one N(4), one N(7), one O(3), and one O(6) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-57°. The Ti(1)-N(1) bond length is 2.04 Å. The Ti(1)-N(14) bond length is 2.03 Å. The Ti(1)-N(4) bond length is 2.06 Å. The Ti(1)-N(7) bond length is 1.98 Å. The Ti(1)-O(3) bond length is 2.07 Å. The Ti(1)-O(6) bond length is 2.10 Å. In the second Ti site, Ti(2) is bonded to one N(14), one N(3), one N(5), one N(9), one O(2), and one O(6) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 49-55°. The Ti(2)-N(14) bond length is 1.97 Å. The Ti(2)-N(3) bond length is 2.00 Å. The Ti(2)-N(5) bond length is 2.10 Å. The Ti(2)-N(9) bond length is 1.97 Å. The Ti(2)-O(2) bond length is 2.10 Å. The Ti(2)-O(6) bond length is 2.13 Å. In the third Ti site, Ti(3) is bonded to one N(11), one N(15), one N(4), one N(8), one O(1), and one O(5) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 47-57°. The Ti(3)-N(11) bond length is 2.00 Å. The Ti(3)-N(15) bond length is 1.95 Å. The Ti(3)-N(4) bond length is 2.10 Å. The Ti(3)-N(8) bond length is 2.00 Å. The Ti(3)-O(1) bond length is 2.15 Å. The Ti(3)-O(5) bond length is 2.09 Å. In the fourth Ti site, Ti(4) is bonded to one N(10), one N(12), one N(2), one N(7), one O(4), and one O(8) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(11)N5O octahedra,  an edgeedge with one Ti(15)N5O octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-58°. The Ti(4)-N(10) bond length is 2.01 Å. The Ti(4)-N(12) bond length is 1.95 Å. The Ti(4)-N(2) bond length is 2.08 Å. The Ti(4)-N(7) bond length is 1.97 Å. The Ti(4)-O(4) bond length is 2.16 Å. The Ti(4)-O(8) bond length is 2.12 Å. In the fifth Ti site, Ti(5) is bonded to one N(1), one N(2), one N(7), one O(2), one O(5), and one O(7) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(11)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-52°. The Ti(5)-N(1) bond length is 2.04 Å. The Ti(5)-N(2) bond length is 2.02 Å. The Ti(5)-N(7) bond length is 2.02 Å. The Ti(5)-O(2) bond length is 1.98 Å. The Ti(5)-O(5) bond length is 2.05 Å. The Ti(5)-O(7) bond length is 2.06 Å. In the sixth Ti site, Ti(6) is bonded to one N(12), one N(13), one N(4), one N(5), one O(1), and one O(6) atom to form distorted TiN4O2 pentagonal pyramids that share  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(11)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-52°. The Ti(6)-N(12) bond length is 2.04 Å. The Ti(6)-N(13) bond length is 2.06 Å. The Ti(6)-N(4) bond length is 2.03 Å. The Ti(6)-N(5) bond length is 2.04 Å. The Ti(6)-O(1) bond length is 2.05 Å. The Ti(6)-O(6) bond length is 2.03 Å. In the seventh Ti site, Ti(7) is bonded to one N(10), one N(13), one N(4), one N(9), one O(5), and one O(7) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 50-54°. The Ti(7)-N(10) bond length is 2.03 Å. The Ti(7)-N(13) bond length is 2.07 Å. The Ti(7)-N(4) bond length is 1.95 Å. The Ti(7)-N(9) bond length is 2.04 Å. The Ti(7)-O(5) bond length is 2.07 Å. The Ti(7)-O(7) bond length is 2.15 Å. In the eighth Ti site, Ti(8) is bonded to one N(1), one N(14), one N(3), one O(1), one O(4), and one O(8) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-56°. The Ti(8)-N(1) bond length is 1.94 Å. The Ti(8)-N(14) bond length is 1.99 Å. The Ti(8)-N(3) bond length is 1.99 Å. The Ti(8)-O(1) bond length is 2.10 Å. The Ti(8)-O(4) bond length is 2.15 Å. The Ti(8)-O(8) bond length is 2.09 Å. In the ninth Ti site, Ti(9) is bonded to one N(10), one N(12), one N(15), one N(3), one N(6), and one O(5) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The Ti(9)-N(10) bond length is 2.03 Å. The Ti(9)-N(12) bond length is 2.02 Å. The Ti(9)-N(15) bond length is 2.09 Å. The Ti(9)-N(3) bond length is 2.08 Å. The Ti(9)-N(6) bond length is 2.02 Å. The Ti(9)-O(5) bond length is 2.13 Å. In the tenth Ti site, Ti(10) is bonded to one N(11), one N(2), one N(5), one O(1), one O(4), and one O(7) atom to form distorted TiN3O3 octahedra that share  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 51-55°. The Ti(10)-N(11) bond length is 2.02 Å. The Ti(10)-N(2) bond length is 2.08 Å. The Ti(10)-N(5) bond length is 1.99 Å. The Ti(10)-O(1) bond length is 2.03 Å. The Ti(10)-O(4) bond length is 2.05 Å. The Ti(10)-O(7) bond length is 2.03 Å. In the eleventh Ti site, Ti(11) is bonded to one N(12), one N(15), one N(16), one N(5), one N(7), and one O(2) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(15)N5O octahedra,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra,  an edgeedge with one Ti(9)N5O octahedra, and  an edgeedge with one Ti(6)N4O2 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 51-53°. The Ti(11)-N(12) bond length is 2.08 Å. The Ti(11)-N(15) bond length is 2.01 Å. The Ti(11)-N(16) bond length is 2.03 Å. The Ti(11)-N(5) bond length is 2.03 Å. The Ti(11)-N(7) bond length is 2.10 Å. The Ti(11)-O(2) bond length is 2.11 Å. In the twelfth Ti site, Ti(12) is bonded to one N(11), one N(2), one N(6), one N(8), one O(3), and one O(6) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(16)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(10)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-54°. The Ti(12)-N(11) bond length is 2.01 Å. The Ti(12)-N(2) bond length is 1.94 Å. The Ti(12)-N(6) bond length is 2.07 Å. The Ti(12)-N(8) bond length is 2.05 Å. The Ti(12)-O(3) bond length is 2.18 Å. The Ti(12)-O(6) bond length is 2.09 Å. In the thirteenth Ti site, Ti(13) is bonded to one N(1), one N(13), one N(16), one N(6), one O(3), and one O(7) atom to form TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(14)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  a cornercorner with one Ti(9)N5O octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(5)N3O3 octahedra,  an edgeedge with one Ti(1)N4O2 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 52-56°. The Ti(13)-N(1) bond length is 2.13 Å. The Ti(13)-N(13) bond length is 1.99 Å. The Ti(13)-N(16) bond length is 1.97 Å. The Ti(13)-N(6) bond length is 1.96 Å. The Ti(13)-O(3) bond length is 2.12 Å. The Ti(13)-O(7) bond length is 2.14 Å. In the fourteenth Ti site, Ti(14) is bonded to one N(15), one N(3), one N(8), one N(9), one O(3), and one O(4) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(13)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(3)N4O2 octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The Ti(14)-N(15) bond length is 2.05 Å. The Ti(14)-N(3) bond length is 2.04 Å. The Ti(14)-N(8) bond length is 2.06 Å. The Ti(14)-N(9) bond length is 2.06 Å. The Ti(14)-O(3) bond length is 2.04 Å. The Ti(14)-O(4) bond length is 2.05 Å. In the fifteenth Ti site, Ti(15) is bonded to one N(10), one N(11), one N(14), one N(16), one N(6), and one O(8) atom to form distorted TiN5O octahedra that share  a cornercorner with one Ti(10)N3O3 octahedra,  a cornercorner with one Ti(1)N4O2 octahedra,  a cornercorner with one Ti(2)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(7)N4O2 octahedra,  a cornercorner with one Ti(11)N5O octahedra,  an edgeedge with one Ti(8)N3O3 octahedra,  an edgeedge with one Ti(12)N4O2 octahedra,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(16)N4O2 octahedra,  an edgeedge with one Ti(4)N4O2 octahedra, and  an edgeedge with one Ti(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-54°. The Ti(15)-N(10) bond length is 2.07 Å. The Ti(15)-N(11) bond length is 2.02 Å. The Ti(15)-N(14) bond length is 2.06 Å. The Ti(15)-N(16) bond length is 2.06 Å. The Ti(15)-N(6) bond length is 2.05 Å. The Ti(15)-O(8) bond length is 2.09 Å. In the sixteenth Ti site, Ti(16) is bonded to one N(13), one N(16), one N(8), one N(9), one O(2), and one O(8) atom to form distorted TiN4O2 octahedra that share  a cornercorner with one Ti(5)N3O3 octahedra,  a cornercorner with one Ti(8)N3O3 octahedra,  a cornercorner with one Ti(12)N4O2 octahedra,  a cornercorner with one Ti(3)N4O2 octahedra,  a cornercorner with one Ti(4)N4O2 octahedra,  a cornercorner with one Ti(6)N4O2 pentagonal pyramid,  an edgeedge with one Ti(13)N4O2 octahedra,  an edgeedge with one Ti(14)N4O2 octahedra,  an edgeedge with one Ti(2)N4O2 octahedra,  an edgeedge with one Ti(7)N4O2 octahedra,  an edgeedge with one Ti(11)N5O octahedra, and  an edgeedge with one Ti(15)N5O octahedra. The corner-sharing octahedral tilt angles range from 47-58°. The Ti(16)-N(13) bond length is 1.97 Å. The Ti(16)-N(16) bond length is 2.07 Å. The Ti(16)-N(8) bond length is 2.03 Å. The Ti(16)-N(9) bond length is 2.01 Å. The Ti(16)-O(2) bond length is 2.17 Å. The Ti(16)-O(8) bond length is 2.08 Å. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Ti(1), one Ti(13), one Ti(5), and one Ti(8) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(7)Ti4 trigonal pyramid,  an edgeedge with one O(3)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the second N site, N(2) is bonded to one Ti(10), one Ti(12), one Ti(4), and one Ti(5) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(7)Ti4 trigonal pyramid,  an edgeedge with one O(4)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the third N site, N(3) is bonded to one Ti(14), one Ti(2), one Ti(8), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Ti(1), one Ti(3), one Ti(6), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the fifth N site, N(5) is bonded to one Ti(10), one Ti(11), one Ti(2), and one Ti(6) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the sixth N site, N(6) is bonded to one Ti(12), one Ti(13), one Ti(15), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the seventh N site, N(7) is bonded to one Ti(1), one Ti(11), one Ti(4), and one Ti(5) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid, and  an edgeedge with one N(2)Ti4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Ti(12), one Ti(14), one Ti(16), and one Ti(3) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Ti(14), one Ti(16), one Ti(2), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid, and  an edgeedge with one N(8)Ti4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Ti(15), one Ti(4), one Ti(7), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Ti(10), one Ti(12), one Ti(15), and one Ti(3) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(2)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid,  an edgeedge with one N(8)Ti4 trigonal pyramid, and  an edgeedge with one O(1)Ti4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Ti(11), one Ti(4), one Ti(6), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(15)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one N(7)Ti4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Ti(13), one Ti(16), one Ti(6), and one Ti(7) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(9)Ti4 trigonal pyramid, and  an edgeedge with one O(7)Ti4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Ti(1), one Ti(15), one Ti(2), and one Ti(8) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid,  an edgeedge with one O(6)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Ti(11), one Ti(14), one Ti(3), and one Ti(9) atom to form NTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(12)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid, and  an edgeedge with one N(8)Ti4 trigonal pyramid. In the sixteenth N site, N(16) is bonded in a rectangular see-saw-like geometry to one Ti(11), one Ti(13), one Ti(15), and one Ti(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Ti(10), one Ti(3), one Ti(6), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one O(6)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  a cornercorner with one O(8)Ti4 trigonal pyramid,  an edgeedge with one N(11)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ti(11), one Ti(16), one Ti(2), and one Ti(5) atom. In the third O site, O(3) is bonded to one Ti(1), one Ti(12), one Ti(13), and one Ti(14) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(6)Ti4 trigonal pyramid,  an edgeedge with one N(8)Ti4 trigonal pyramid, and  an edgeedge with one O(6)Ti4 trigonal pyramid. In the fourth O site, O(4) is bonded to one Ti(10), one Ti(14), one Ti(4), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(14)Ti4 trigonal pyramid,  a cornercorner with one N(15)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(7)Ti4 trigonal pyramid,  an edgeedge with one N(2)Ti4 trigonal pyramid,  an edgeedge with one N(3)Ti4 trigonal pyramid,  an edgeedge with one O(1)Ti4 trigonal pyramid, and  an edgeedge with one O(8)Ti4 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Ti(3), one Ti(5), one Ti(7), and one Ti(9) atom. In the sixth O site, O(6) is bonded to one Ti(1), one Ti(12), one Ti(2), and one Ti(6) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid,  an edgeedge with one N(4)Ti4 trigonal pyramid,  an edgeedge with one N(5)Ti4 trigonal pyramid, and  an edgeedge with one O(3)Ti4 trigonal pyramid. In the seventh O site, O(7) is bonded to one Ti(10), one Ti(13), one Ti(5), and one Ti(7) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(10)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(4)Ti4 trigonal pyramid,  a cornercorner with one N(5)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  a cornercorner with one O(3)Ti4 trigonal pyramid,  a cornercorner with one O(4)Ti4 trigonal pyramid,  an edgeedge with one N(1)Ti4 trigonal pyramid,  an edgeedge with one N(13)Ti4 trigonal pyramid, and  an edgeedge with one N(2)Ti4 trigonal pyramid. In the eighth O site, O(8) is bonded to one Ti(15), one Ti(16), one Ti(4), and one Ti(8) atom to form OTi4 trigonal pyramids that share  a cornercorner with one N(1)Ti4 trigonal pyramid,  a cornercorner with one N(11)Ti4 trigonal pyramid,  a cornercorner with one N(12)Ti4 trigonal pyramid,  a cornercorner with one N(13)Ti4 trigonal pyramid,  a cornercorner with one N(2)Ti4 trigonal pyramid,  a cornercorner with one N(3)Ti4 trigonal pyramid,  a cornercorner with one N(6)Ti4 trigonal pyramid,  a cornercorner with one N(7)Ti4 trigonal pyramid,  a cornercorner with one N(8)Ti4 trigonal pyramid,  a cornercorner with one N(9)Ti4 trigonal pyramid,  a cornercorner with one O(1)Ti4 trigonal pyramid,  an edgeedge with one N(10)Ti4 trigonal pyramid,  an edgeedge with one N(14)Ti4 trigonal pyramid, and  an edgeedge with one O(4)Ti4 trigonal pyramid.