Zr5N5O2 crystallizes in the monoclinic Cm space group. There are ten inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 7-coordinate geometry to one N(2), two equivalent N(5), two equivalent N(6), and two equivalent O(4) atoms. In the second Zr site, Zr(2) is bonded to one N(3), two equivalent N(7), two equivalent N(9), and one O(1) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(4)N3O3 octahedra, corners with two equivalent Zr(9)N5O octahedra, edges with two equivalent Zr(2)N5O octahedra, and edges with three equivalent Zr(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 4-62°. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one N(6), two equivalent N(2), two equivalent N(3), and two equivalent O(2) atoms. In the fourth Zr site, Zr(4) is bonded to one N(4), two equivalent N(10), one O(1), and two equivalent O(3) atoms to form ZrN3O3 octahedra that share  a cornercorner with one Zr(2)N5O octahedra,  a cornercorner with one Zr(5)N6 octahedra, and edges with two equivalent Zr(4)N3O3 octahedra. The corner-sharing octahedral tilt angles range from 57-62°. In the fifth Zr site, Zr(5) is bonded to one N(4), one N(5), two equivalent N(1), and two equivalent N(8) atoms to form ZrN6 octahedra that share  a cornercorner with one Zr(4)N3O3 octahedra, corners with two equivalent Zr(6)N5O octahedra, edges with two equivalent Zr(5)N6 octahedra, and edges with three equivalent Zr(6)N5O octahedra. The corner-sharing octahedral tilt angles range from 5-57°. In the sixth Zr site, Zr(6) is bonded to one N(8), two equivalent N(1), two equivalent N(5), and one O(4) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(7)N4O2 octahedra, corners with two equivalent Zr(5)N6 octahedra, edges with two equivalent Zr(6)N5O octahedra, and edges with three equivalent Zr(5)N6 octahedra. The corner-sharing octahedral tilt angles range from 5-60°. In the seventh Zr site, Zr(7) is bonded to two equivalent N(2), two equivalent N(6), one O(2), and one O(4) atom to form ZrN4O2 octahedra that share  a cornercorner with one Zr(6)N5O octahedra,  a cornercorner with one Zr(9)N5O octahedra, and edges with two equivalent Zr(7)N4O2 octahedra. The corner-sharing octahedral tilt angles are 60°. In the eighth Zr site, Zr(8) is bonded in a 8-coordinate geometry to one N(7), two equivalent N(10), two equivalent N(9), one O(3), and two equivalent O(1) atoms. In the ninth Zr site, Zr(9) is bonded to one N(9), two equivalent N(3), two equivalent N(7), and one O(2) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(7)N4O2 octahedra, corners with two equivalent Zr(2)N5O octahedra, edges with two equivalent Zr(9)N5O octahedra, and edges with three equivalent Zr(2)N5O octahedra. The corner-sharing octahedral tilt angles range from 4-60°. In the tenth Zr site, Zr(10) is bonded in a 7-coordinate geometry to one N(10), two equivalent N(4), two equivalent N(8), and two equivalent O(3) atoms. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to two equivalent Zr(5) and two equivalent Zr(6) atoms. In the second N site, N(2) is bonded to one Zr(1), two equivalent Zr(3), and two equivalent Zr(7) atoms to form distorted NZr5 square pyramids that share corners with four equivalent O(2)Zr4 tetrahedra, corners with two equivalent N(3)Zr5 trigonal bipyramids, corners with two equivalent N(5)Zr5 trigonal bipyramids, corners with two equivalent N(6)Zr5 trigonal bipyramids, edges with two equivalent N(2)Zr5 square pyramids,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent O(4)Zr4 tetrahedra,  an edgeedge with one N(3)Zr5 trigonal bipyramid, and edges with three equivalent N(6)Zr5 trigonal bipyramids. In the third N site, N(3) is bonded to one Zr(2), two equivalent Zr(3), and two equivalent Zr(9) atoms to form NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids,  a cornercorner with one O(1)Zr4 tetrahedra, corners with four equivalent O(2)Zr4 tetrahedra, corners with two equivalent N(6)Zr5 trigonal bipyramids,  an edgeedge with one N(2)Zr5 square pyramid,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent N(3)Zr5 trigonal bipyramids, and edges with two equivalent N(9)Zr5 trigonal bipyramids. In the fourth N site, N(4) is bonded to one Zr(4), one Zr(5), and two equivalent Zr(10) atoms to form NZr4 tetrahedra that share  a cornercorner with one O(1)Zr4 tetrahedra, corners with two equivalent N(4)Zr4 tetrahedra,  a cornercorner with one N(5)Zr5 trigonal bipyramid, corners with four equivalent N(8)Zr5 trigonal bipyramids, corners with four equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one N(8)Zr5 trigonal bipyramid,  an edgeedge with one O(3)Zr5 trigonal bipyramid, and edges with two equivalent N(10)Zr5 trigonal bipyramids. In the fifth N site, N(5) is bonded to one Zr(5), two equivalent Zr(1), and two equivalent Zr(6) atoms to form NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids,  a cornercorner with one N(4)Zr4 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra, corners with two equivalent N(6)Zr5 trigonal bipyramids,  an edgeedge with one O(4)Zr4 tetrahedra,  an edgeedge with one N(6)Zr5 trigonal bipyramid, edges with two equivalent N(5)Zr5 trigonal bipyramids, and edges with two equivalent N(8)Zr5 trigonal bipyramids. In the sixth N site, N(6) is bonded to one Zr(3), two equivalent Zr(1), and two equivalent Zr(7) atoms to form distorted NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids, corners with four equivalent O(4)Zr4 tetrahedra, corners with two equivalent N(3)Zr5 trigonal bipyramids, corners with two equivalent N(5)Zr5 trigonal bipyramids, edges with three equivalent N(2)Zr5 square pyramids,  an edgeedge with one O(4)Zr4 tetrahedra, edges with two equivalent O(2)Zr4 tetrahedra,  an edgeedge with one N(5)Zr5 trigonal bipyramid, and edges with two equivalent N(6)Zr5 trigonal bipyramids. In the seventh N site, N(7) is bonded in a distorted rectangular see-saw-like geometry to one Zr(8), two equivalent Zr(2), and two equivalent Zr(9) atoms. In the eighth N site, N(8) is bonded to one Zr(6), two equivalent Zr(10), and two equivalent Zr(5) atoms to form NZr5 trigonal bipyramids that share  a cornercorner with one O(4)Zr4 tetrahedra, corners with four equivalent N(4)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one O(3)Zr5 trigonal bipyramid, edges with two equivalent N(5)Zr5 trigonal bipyramids, and edges with two equivalent N(8)Zr5 trigonal bipyramids. In the ninth N site, N(9) is bonded to one Zr(9), two equivalent Zr(2), and two equivalent Zr(8) atoms to form NZr5 trigonal bipyramids that share  a cornercorner with one O(2)Zr4 tetrahedra, corners with four equivalent O(1)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one O(1)Zr4 tetrahedra,  an edgeedge with one N(10)Zr5 trigonal bipyramid, edges with two equivalent N(3)Zr5 trigonal bipyramids, and edges with two equivalent N(9)Zr5 trigonal bipyramids. In the tenth N site, N(10) is bonded to one Zr(10), two equivalent Zr(4), and two equivalent Zr(8) atoms to form distorted NZr5 trigonal bipyramids that share corners with four equivalent O(1)Zr4 tetrahedra, corners with two equivalent N(8)Zr5 trigonal bipyramids, corners with two equivalent N(9)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one O(1)Zr4 tetrahedra, edges with two equivalent N(4)Zr4 tetrahedra,  an edgeedge with one N(9)Zr5 trigonal bipyramid, edges with two equivalent N(10)Zr5 trigonal bipyramids, and edges with three equivalent O(3)Zr5 trigonal bipyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Zr(2), one Zr(4), and two equivalent Zr(8) atoms to form OZr4 tetrahedra that share  a cornercorner with one N(4)Zr4 tetrahedra, corners with two equivalent O(1)Zr4 tetrahedra,  a cornercorner with one N(3)Zr5 trigonal bipyramid, corners with four equivalent N(10)Zr5 trigonal bipyramids, corners with four equivalent N(9)Zr5 trigonal bipyramids,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and edges with two equivalent O(3)Zr5 trigonal bipyramids. In the second O site, O(2) is bonded to one Zr(7), one Zr(9), and two equivalent Zr(3) atoms to form OZr4 tetrahedra that share corners with four equivalent N(2)Zr5 square pyramids,  a cornercorner with one O(4)Zr4 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra,  a cornercorner with one N(9)Zr5 trigonal bipyramid, corners with four equivalent N(3)Zr5 trigonal bipyramids,  an edgeedge with one N(2)Zr5 square pyramid,  an edgeedge with one N(3)Zr5 trigonal bipyramid, and edges with two equivalent N(6)Zr5 trigonal bipyramids. In the third O site, O(3) is bonded to one Zr(8), two equivalent Zr(10), and two equivalent Zr(4) atoms to form distorted OZr5 trigonal bipyramids that share corners with four equivalent N(4)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent N(8)Zr5 trigonal bipyramids, corners with two equivalent N(9)Zr5 trigonal bipyramids,  an edgeedge with one N(4)Zr4 tetrahedra, edges with two equivalent O(1)Zr4 tetrahedra,  an edgeedge with one N(8)Zr5 trigonal bipyramid, edges with two equivalent O(3)Zr5 trigonal bipyramids, and edges with three equivalent N(10)Zr5 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Zr(6), one Zr(7), and two equivalent Zr(1) atoms to form OZr4 tetrahedra that share  a cornercorner with one O(2)Zr4 tetrahedra, corners with two equivalent O(4)Zr4 tetrahedra,  a cornercorner with one N(8)Zr5 trigonal bipyramid, corners with four equivalent N(5)Zr5 trigonal bipyramids, corners with four equivalent N(6)Zr5 trigonal bipyramids, edges with two equivalent N(2)Zr5 square pyramids,  an edgeedge with one N(5)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)Zr5 trigonal bipyramid.
Zr5N5O2 crystallizes in the monoclinic Cm space group. There are ten inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 7-coordinate geometry to one N(2), two equivalent N(5), two equivalent N(6), and two equivalent O(4) atoms. The Zr(1)-N(2) bond length is 2.48 Å. Both Zr(1)-N(5) bond lengths are 2.35 Å. Both Zr(1)-N(6) bond lengths are 2.31 Å. Both Zr(1)-O(4) bond lengths are 2.24 Å. In the second Zr site, Zr(2) is bonded to one N(3), two equivalent N(7), two equivalent N(9), and one O(1) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(4)N3O3 octahedra, corners with two equivalent Zr(9)N5O octahedra, edges with two equivalent Zr(2)N5O octahedra, and edges with three equivalent Zr(9)N5O octahedra. The corner-sharing octahedral tilt angles range from 4-62°. The Zr(2)-N(3) bond length is 2.26 Å. Both Zr(2)-N(7) bond lengths are 2.20 Å. Both Zr(2)-N(9) bond lengths are 2.24 Å. The Zr(2)-O(1) bond length is 2.19 Å. In the third Zr site, Zr(3) is bonded in a 7-coordinate geometry to one N(6), two equivalent N(2), two equivalent N(3), and two equivalent O(2) atoms. The Zr(3)-N(6) bond length is 2.41 Å. Both Zr(3)-N(2) bond lengths are 2.28 Å. Both Zr(3)-N(3) bond lengths are 2.38 Å. Both Zr(3)-O(2) bond lengths are 2.26 Å. In the fourth Zr site, Zr(4) is bonded to one N(4), two equivalent N(10), one O(1), and two equivalent O(3) atoms to form ZrN3O3 octahedra that share  a cornercorner with one Zr(2)N5O octahedra,  a cornercorner with one Zr(5)N6 octahedra, and edges with two equivalent Zr(4)N3O3 octahedra. The corner-sharing octahedral tilt angles range from 57-62°. The Zr(4)-N(4) bond length is 2.07 Å. Both Zr(4)-N(10) bond lengths are 2.19 Å. The Zr(4)-O(1) bond length is 2.22 Å. Both Zr(4)-O(3) bond lengths are 2.30 Å. In the fifth Zr site, Zr(5) is bonded to one N(4), one N(5), two equivalent N(1), and two equivalent N(8) atoms to form ZrN6 octahedra that share  a cornercorner with one Zr(4)N3O3 octahedra, corners with two equivalent Zr(6)N5O octahedra, edges with two equivalent Zr(5)N6 octahedra, and edges with three equivalent Zr(6)N5O octahedra. The corner-sharing octahedral tilt angles range from 5-57°. The Zr(5)-N(4) bond length is 2.15 Å. The Zr(5)-N(5) bond length is 2.34 Å. Both Zr(5)-N(1) bond lengths are 2.20 Å. Both Zr(5)-N(8) bond lengths are 2.26 Å. In the sixth Zr site, Zr(6) is bonded to one N(8), two equivalent N(1), two equivalent N(5), and one O(4) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(7)N4O2 octahedra, corners with two equivalent Zr(5)N6 octahedra, edges with two equivalent Zr(6)N5O octahedra, and edges with three equivalent Zr(5)N6 octahedra. The corner-sharing octahedral tilt angles range from 5-60°. The Zr(6)-N(8) bond length is 2.24 Å. Both Zr(6)-N(1) bond lengths are 2.20 Å. Both Zr(6)-N(5) bond lengths are 2.23 Å. The Zr(6)-O(4) bond length is 2.21 Å. In the seventh Zr site, Zr(7) is bonded to two equivalent N(2), two equivalent N(6), one O(2), and one O(4) atom to form ZrN4O2 octahedra that share  a cornercorner with one Zr(6)N5O octahedra,  a cornercorner with one Zr(9)N5O octahedra, and edges with two equivalent Zr(7)N4O2 octahedra. The corner-sharing octahedral tilt angles are 60°. Both Zr(7)-N(2) bond lengths are 2.23 Å. Both Zr(7)-N(6) bond lengths are 2.24 Å. The Zr(7)-O(2) bond length is 2.16 Å. The Zr(7)-O(4) bond length is 2.14 Å. In the eighth Zr site, Zr(8) is bonded in a 8-coordinate geometry to one N(7), two equivalent N(10), two equivalent N(9), one O(3), and two equivalent O(1) atoms. The Zr(8)-N(7) bond length is 2.90 Å. Both Zr(8)-N(10) bond lengths are 2.31 Å. Both Zr(8)-N(9) bond lengths are 2.34 Å. The Zr(8)-O(3) bond length is 2.47 Å. Both Zr(8)-O(1) bond lengths are 2.23 Å. In the ninth Zr site, Zr(9) is bonded to one N(9), two equivalent N(3), two equivalent N(7), and one O(2) atom to form ZrN5O octahedra that share  a cornercorner with one Zr(7)N4O2 octahedra, corners with two equivalent Zr(2)N5O octahedra, edges with two equivalent Zr(9)N5O octahedra, and edges with three equivalent Zr(2)N5O octahedra. The corner-sharing octahedral tilt angles range from 4-60°. The Zr(9)-N(9) bond length is 2.25 Å. Both Zr(9)-N(3) bond lengths are 2.24 Å. Both Zr(9)-N(7) bond lengths are 2.20 Å. The Zr(9)-O(2) bond length is 2.19 Å. In the tenth Zr site, Zr(10) is bonded in a 7-coordinate geometry to one N(10), two equivalent N(4), two equivalent N(8), and two equivalent O(3) atoms. The Zr(10)-N(10) bond length is 2.50 Å. Both Zr(10)-N(4) bond lengths are 2.18 Å. Both Zr(10)-N(8) bond lengths are 2.34 Å. Both Zr(10)-O(3) bond lengths are 2.41 Å. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to two equivalent Zr(5) and two equivalent Zr(6) atoms. In the second N site, N(2) is bonded to one Zr(1), two equivalent Zr(3), and two equivalent Zr(7) atoms to form distorted NZr5 square pyramids that share corners with four equivalent O(2)Zr4 tetrahedra, corners with two equivalent N(3)Zr5 trigonal bipyramids, corners with two equivalent N(5)Zr5 trigonal bipyramids, corners with two equivalent N(6)Zr5 trigonal bipyramids, edges with two equivalent N(2)Zr5 square pyramids,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent O(4)Zr4 tetrahedra,  an edgeedge with one N(3)Zr5 trigonal bipyramid, and edges with three equivalent N(6)Zr5 trigonal bipyramids. In the third N site, N(3) is bonded to one Zr(2), two equivalent Zr(3), and two equivalent Zr(9) atoms to form NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids,  a cornercorner with one O(1)Zr4 tetrahedra, corners with four equivalent O(2)Zr4 tetrahedra, corners with two equivalent N(6)Zr5 trigonal bipyramids,  an edgeedge with one N(2)Zr5 square pyramid,  an edgeedge with one O(2)Zr4 tetrahedra, edges with two equivalent N(3)Zr5 trigonal bipyramids, and edges with two equivalent N(9)Zr5 trigonal bipyramids. In the fourth N site, N(4) is bonded to one Zr(4), one Zr(5), and two equivalent Zr(10) atoms to form NZr4 tetrahedra that share  a cornercorner with one O(1)Zr4 tetrahedra, corners with two equivalent N(4)Zr4 tetrahedra,  a cornercorner with one N(5)Zr5 trigonal bipyramid, corners with four equivalent N(8)Zr5 trigonal bipyramids, corners with four equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one N(8)Zr5 trigonal bipyramid,  an edgeedge with one O(3)Zr5 trigonal bipyramid, and edges with two equivalent N(10)Zr5 trigonal bipyramids. In the fifth N site, N(5) is bonded to one Zr(5), two equivalent Zr(1), and two equivalent Zr(6) atoms to form NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids,  a cornercorner with one N(4)Zr4 tetrahedra, corners with four equivalent O(4)Zr4 tetrahedra, corners with two equivalent N(6)Zr5 trigonal bipyramids,  an edgeedge with one O(4)Zr4 tetrahedra,  an edgeedge with one N(6)Zr5 trigonal bipyramid, edges with two equivalent N(5)Zr5 trigonal bipyramids, and edges with two equivalent N(8)Zr5 trigonal bipyramids. In the sixth N site, N(6) is bonded to one Zr(3), two equivalent Zr(1), and two equivalent Zr(7) atoms to form distorted NZr5 trigonal bipyramids that share corners with two equivalent N(2)Zr5 square pyramids, corners with four equivalent O(4)Zr4 tetrahedra, corners with two equivalent N(3)Zr5 trigonal bipyramids, corners with two equivalent N(5)Zr5 trigonal bipyramids, edges with three equivalent N(2)Zr5 square pyramids,  an edgeedge with one O(4)Zr4 tetrahedra, edges with two equivalent O(2)Zr4 tetrahedra,  an edgeedge with one N(5)Zr5 trigonal bipyramid, and edges with two equivalent N(6)Zr5 trigonal bipyramids. In the seventh N site, N(7) is bonded in a distorted rectangular see-saw-like geometry to one Zr(8), two equivalent Zr(2), and two equivalent Zr(9) atoms. In the eighth N site, N(8) is bonded to one Zr(6), two equivalent Zr(10), and two equivalent Zr(5) atoms to form NZr5 trigonal bipyramids that share  a cornercorner with one O(4)Zr4 tetrahedra, corners with four equivalent N(4)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one O(3)Zr5 trigonal bipyramid, edges with two equivalent N(5)Zr5 trigonal bipyramids, and edges with two equivalent N(8)Zr5 trigonal bipyramids. In the ninth N site, N(9) is bonded to one Zr(9), two equivalent Zr(2), and two equivalent Zr(8) atoms to form NZr5 trigonal bipyramids that share  a cornercorner with one O(2)Zr4 tetrahedra, corners with four equivalent O(1)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one O(1)Zr4 tetrahedra,  an edgeedge with one N(10)Zr5 trigonal bipyramid, edges with two equivalent N(3)Zr5 trigonal bipyramids, and edges with two equivalent N(9)Zr5 trigonal bipyramids. In the tenth N site, N(10) is bonded to one Zr(10), two equivalent Zr(4), and two equivalent Zr(8) atoms to form distorted NZr5 trigonal bipyramids that share corners with four equivalent O(1)Zr4 tetrahedra, corners with two equivalent N(8)Zr5 trigonal bipyramids, corners with two equivalent N(9)Zr5 trigonal bipyramids, corners with two equivalent O(3)Zr5 trigonal bipyramids,  an edgeedge with one O(1)Zr4 tetrahedra, edges with two equivalent N(4)Zr4 tetrahedra,  an edgeedge with one N(9)Zr5 trigonal bipyramid, edges with two equivalent N(10)Zr5 trigonal bipyramids, and edges with three equivalent O(3)Zr5 trigonal bipyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Zr(2), one Zr(4), and two equivalent Zr(8) atoms to form OZr4 tetrahedra that share  a cornercorner with one N(4)Zr4 tetrahedra, corners with two equivalent O(1)Zr4 tetrahedra,  a cornercorner with one N(3)Zr5 trigonal bipyramid, corners with four equivalent N(10)Zr5 trigonal bipyramids, corners with four equivalent N(9)Zr5 trigonal bipyramids,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and edges with two equivalent O(3)Zr5 trigonal bipyramids. In the second O site, O(2) is bonded to one Zr(7), one Zr(9), and two equivalent Zr(3) atoms to form OZr4 tetrahedra that share corners with four equivalent N(2)Zr5 square pyramids,  a cornercorner with one O(4)Zr4 tetrahedra, corners with two equivalent O(2)Zr4 tetrahedra,  a cornercorner with one N(9)Zr5 trigonal bipyramid, corners with four equivalent N(3)Zr5 trigonal bipyramids,  an edgeedge with one N(2)Zr5 square pyramid,  an edgeedge with one N(3)Zr5 trigonal bipyramid, and edges with two equivalent N(6)Zr5 trigonal bipyramids. In the third O site, O(3) is bonded to one Zr(8), two equivalent Zr(10), and two equivalent Zr(4) atoms to form distorted OZr5 trigonal bipyramids that share corners with four equivalent N(4)Zr4 tetrahedra, corners with two equivalent N(10)Zr5 trigonal bipyramids, corners with two equivalent N(8)Zr5 trigonal bipyramids, corners with two equivalent N(9)Zr5 trigonal bipyramids,  an edgeedge with one N(4)Zr4 tetrahedra, edges with two equivalent O(1)Zr4 tetrahedra,  an edgeedge with one N(8)Zr5 trigonal bipyramid, edges with two equivalent O(3)Zr5 trigonal bipyramids, and edges with three equivalent N(10)Zr5 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Zr(6), one Zr(7), and two equivalent Zr(1) atoms to form OZr4 tetrahedra that share  a cornercorner with one O(2)Zr4 tetrahedra, corners with two equivalent O(4)Zr4 tetrahedra,  a cornercorner with one N(8)Zr5 trigonal bipyramid, corners with four equivalent N(5)Zr5 trigonal bipyramids, corners with four equivalent N(6)Zr5 trigonal bipyramids, edges with two equivalent N(2)Zr5 square pyramids,  an edgeedge with one N(5)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)Zr5 trigonal bipyramid.