The structure described by 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(1), one N(16), one O(1), one O(3), one O(4), and one O(8) atom to form SnN2O4 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(13)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(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-57°. In the second Sn site, Sn(2) is bonded in a 6-coordinate geometry to one N(15), one N(3), one N(4), one O(2), one O(4), and one O(5) atom. In the third Sn site, Sn(3) is bonded to one N(5), one N(7), one N(8), one O(3), one O(5), and one O(7) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 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(12)N5O octahedra,  an edgeedge with one Sn(16)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 49-57°. In the fourth Sn site, Sn(4) is bonded in a 6-coordinate geometry to one N(1), one N(14), one N(2), one N(3), one O(4), and one O(6) atom. In the fifth Sn site, Sn(5) is bonded to one N(1), one N(12), one N(13), one N(6), one O(3), 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(6)N3O3 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-57°. In the sixth Sn site, Sn(6) is bonded to one N(10), one N(2), one N(8), one O(2), one O(6), and one O(8) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-58°. In the seventh Sn site, Sn(7) is bonded to one N(14), one N(15), one N(4), one N(6), one N(7), and one N(8) atom to form SnN6 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-59°. In the eighth Sn site, Sn(8) is bonded to one N(14), one N(5), one N(6), one N(9), one O(1), and one O(4) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(16)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the ninth Sn site, Sn(9) is bonded to one N(10), one N(11), one N(3), one N(9), one O(5), and one O(6) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)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(10)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-61°. In the tenth Sn site, Sn(10) is bonded to one N(1), one N(11), one N(13), one N(4), one O(5), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra, and  an edgeedge with one Sn(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-59°. In the eleventh Sn site, Sn(11) is bonded to one N(12), one N(13), one N(2), one N(5), one O(2), and one O(7) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(16)N5O octahedra,  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(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra, and  an edgeedge with one Sn(5)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. In the twelfth Sn site, Sn(12) is bonded to one N(12), one N(15), one N(16), one N(3), one N(7), and one O(3) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 53-61°. In the thirteenth Sn site, Sn(13) is bonded to one N(11), one N(2), one N(5), one N(7), one O(1), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-58°. In the fourteenth Sn site, Sn(14) is bonded to one N(11), one N(13), one N(15), one N(16), 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(11)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-58°. In the fifteenth Sn site, Sn(15) is bonded to one N(10), one N(12), one N(4), one N(6), one O(1), and one O(2) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 51-58°. In the sixteenth Sn site, Sn(16) is bonded to one N(10), one N(14), one N(16), one N(8), one N(9), and one O(7) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 54-58°. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Sn(1), one Sn(10), one Sn(4), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one O(3)Sn4 trigonal pyramid,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the second N site, N(2) is bonded to one Sn(11), one Sn(13), one Sn(4), and one Sn(6) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one O(2)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the third N site, N(3) is bonded to one Sn(12), one Sn(2), one Sn(4), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one O(4)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(10), one Sn(15), one Sn(2), and one Sn(7) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the fifth N site, N(5) 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(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the sixth N site, N(6) is bonded to one Sn(15), one Sn(5), one Sn(7), and one Sn(8) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(12)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(12), one Sn(13), one Sn(3), and one Sn(7) atom to form NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Sn(16), one Sn(3), one Sn(6), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Sn(14), one Sn(16), one Sn(8), and one Sn(9) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Sn(15), one Sn(16), one Sn(6), and one Sn(9) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Sn(10), one Sn(13), one Sn(14), and one Sn(9) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(13)Sn4 tetrahedra,  an edgeedge with one N(9)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Sn(11), one Sn(12), one Sn(15), and one Sn(5) atom to form distorted NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(13)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Sn(10), one Sn(11), one Sn(14), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Sn(16), one Sn(4), one Sn(7), and one Sn(8) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(6)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Sn(12), one Sn(14), one Sn(2), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(3)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the sixteenth N site, N(16) is bonded to one Sn(1), one Sn(12), one Sn(14), and one Sn(16) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sn(1), one Sn(13), one Sn(15), 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(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the second O site, O(2) is bonded to one Sn(11), one Sn(15), one Sn(2), and one Sn(6) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra, and  an edgeedge with one N(12)Sn4 trigonal pyramid. In the third O site, O(3) is bonded to one Sn(1), one Sn(12), one Sn(3), and one Sn(5) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the fourth O site, O(4) is bonded to one Sn(1), one Sn(2), one Sn(4), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one O(1)Sn4 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Sn(10), one Sn(2), one Sn(3), and one Sn(9) atom. In the sixth O site, O(6) is bonded to one Sn(4), one Sn(5), one Sn(6), and one Sn(9) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra, and  an edgeedge with one N(3)Sn4 tetrahedra. In the seventh O site, O(7) is bonded to one Sn(10), one Sn(11), one Sn(16), and one Sn(3) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(5)Sn4 tetrahedra, and  an edgeedge with one N(8)Sn4 trigonal pyramid. In the eighth O site, O(8) is bonded to one Sn(1), one Sn(13), one Sn(14), and one Sn(6) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(16)Sn4 trigonal pyramid, and  an edgeedge with one O(1)Sn4 trigonal pyramid. is represented by the CIF card [CIF]
data_Sn2N2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.805
_cell_length_b   8.850
_cell_length_c   8.871
_cell_angle_alpha   109.465
_cell_angle_beta   109.426
_cell_angle_gamma   109.293
_symmetry_Int_Tables_number   1
_cell_volume   533.654
_cell_formula_units_Z   8
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sn  Sn0  1  0.994  0.496  0.002  1.0
  Sn  Sn1  1  0.540  0.755  0.288  1.0
  Sn  Sn2  1  0.244  0.210  0.959  1.0
  Sn  Sn3  1  0.247  0.718  0.472  1.0
  Sn  Sn4  1  0.957  0.243  0.214  1.0
  Sn  Sn5  1  0.288  0.532  0.753  1.0
  Sn  Sn6  1  0.998  1.000  0.499  1.0
  Sn  Sn7  1  0.222  0.982  0.256  1.0
  Sn  Sn8  1  0.513  0.508  0.514  1.0
  Sn  Sn9  1  0.731  0.474  0.263  1.0
  Sn  Sn10  1  0.500  0.002  0.000  1.0
  Sn  Sn11  1  0.767  0.023  0.736  1.0
  Sn  Sn12  1  0.038  0.758  0.782  1.0
  Sn  Sn13  1  0.738  0.278  0.528  1.0
  Sn  Sn14  1  0.754  0.787  0.035  1.0
  Sn  Sn15  1  0.467  0.254  0.713  1.0
  N  N16  1  0.977  0.507  0.240  1.0
  N  N17  1  0.265  0.760  0.729  1.0
  N  N18  1  0.518  0.755  0.524  1.0
  N  N19  1  0.762  0.719  0.258  1.0
  N  N20  1  0.269  0.004  0.041  1.0
  N  N21  1  0.003  0.039  0.264  1.0
  N  N22  1  0.987  0.961  0.730  1.0
  N  N23  1  0.232  0.275  0.738  1.0
  N  N24  1  0.461  0.238  0.458  1.0
  N  N25  1  0.550  0.551  0.781  1.0
  N  N26  1  0.783  0.546  0.546  1.0
  N  N27  1  0.726  0.997  0.951  1.0
  N  N28  1  0.728  0.228  0.268  1.0
  N  N29  1  0.238  0.959  0.501  1.0
  N  N30  1  0.759  0.037  0.489  1.0
  N  N31  1  0.732  0.270  0.777  1.0
  O  O32  1  0.957  0.722  0.991  1.0
  O  O33  1  0.492  0.770  0.044  1.0
  O  O34  1  0.063  0.288  0.021  1.0
  O  O35  1  0.271  0.731  0.206  1.0
  O  O36  1  0.451  0.449  0.221  1.0
  O  O37  1  0.223  0.439  0.463  1.0
  O  O38  1  0.508  0.237  0.963  1.0
  O  O39  1  0.048  0.496  0.783  1.0
[/CIF]
.
The structure described by 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(1), one N(16), one O(1), one O(3), one O(4), and one O(8) atom to form SnN2O4 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(13)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(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-57°. In the second Sn site, Sn(2) is bonded in a 6-coordinate geometry to one N(15), one N(3), one N(4), one O(2), one O(4), and one O(5) atom. In the third Sn site, Sn(3) is bonded to one N(5), one N(7), one N(8), one O(3), one O(5), and one O(7) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 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(12)N5O octahedra,  an edgeedge with one Sn(16)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 49-57°. In the fourth Sn site, Sn(4) is bonded in a 6-coordinate geometry to one N(1), one N(14), one N(2), one N(3), one O(4), and one O(6) atom. In the fifth Sn site, Sn(5) is bonded to one N(1), one N(12), one N(13), one N(6), one O(3), 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(6)N3O3 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra, and  an edgeedge with one Sn(12)N5O octahedra. The corner-sharing octahedral tilt angles range from 50-57°. In the sixth Sn site, Sn(6) is bonded to one N(10), one N(2), one N(8), one O(2), one O(6), and one O(8) atom to form distorted SnN3O3 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 48-58°. In the seventh Sn site, Sn(7) is bonded to one N(14), one N(15), one N(4), one N(6), one N(7), and one N(8) atom to form SnN6 octahedra that share  a cornercorner with one Sn(6)N3O3 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-59°. In the eighth Sn site, Sn(8) is bonded to one N(14), one N(5), one N(6), one N(9), one O(1), and one O(4) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(14)N5O octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra,  an edgeedge with one Sn(16)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. In the ninth Sn site, Sn(9) is bonded to one N(10), one N(11), one N(3), one N(9), one O(5), and one O(6) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(3)N3O3 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)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(10)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 49-61°. In the tenth Sn site, Sn(10) is bonded to one N(1), one N(11), one N(13), one N(4), one O(5), and one O(7) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra, and  an edgeedge with one Sn(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 51-59°. In the eleventh Sn site, Sn(11) is bonded to one N(12), one N(13), one N(2), one N(5), one O(2), and one O(7) atom to form SnN4O2 octahedra that share  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(14)N5O octahedra,  a cornercorner with one Sn(16)N5O octahedra,  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(13)N4O2 octahedra,  an edgeedge with one Sn(15)N4O2 octahedra, and  an edgeedge with one Sn(5)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. In the twelfth Sn site, Sn(12) is bonded to one N(12), one N(15), one N(16), one N(3), one N(7), and one O(3) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 53-61°. In the thirteenth Sn site, Sn(13) is bonded to one N(11), one N(2), one N(5), one N(7), one O(1), and one O(8) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(14)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-58°. In the fourteenth Sn site, Sn(14) is bonded to one N(11), one N(13), one N(15), one N(16), 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(11)N4O2 octahedra,  a cornercorner with one Sn(5)N4O2 octahedra,  a cornercorner with one Sn(8)N4O2 octahedra,  a cornercorner with one Sn(7)N6 octahedra,  an edgeedge with one Sn(1)N2O4 octahedra,  an edgeedge with one Sn(10)N4O2 octahedra,  an edgeedge with one Sn(13)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra,  an edgeedge with one Sn(12)N5O octahedra, and  an edgeedge with one Sn(16)N5O octahedra. The corner-sharing octahedral tilt angles range from 53-58°. In the fifteenth Sn site, Sn(15) is bonded to one N(10), one N(12), one N(4), one N(6), one O(1), and one O(2) atom to form distorted SnN4O2 octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(13)N4O2 octahedra,  a cornercorner with one Sn(9)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  a cornercorner with one Sn(16)N5O octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(11)N4O2 octahedra,  an edgeedge with one Sn(5)N4O2 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 51-58°. In the sixteenth Sn site, Sn(16) is bonded to one N(10), one N(14), one N(16), one N(8), one N(9), and one O(7) atom to form distorted SnN5O octahedra that share  a cornercorner with one Sn(1)N2O4 octahedra,  a cornercorner with one Sn(10)N4O2 octahedra,  a cornercorner with one Sn(11)N4O2 octahedra,  a cornercorner with one Sn(15)N4O2 octahedra,  a cornercorner with one Sn(12)N5O octahedra,  an edgeedge with one Sn(3)N3O3 octahedra,  an edgeedge with one Sn(6)N3O3 octahedra,  an edgeedge with one Sn(8)N4O2 octahedra,  an edgeedge with one Sn(9)N4O2 octahedra,  an edgeedge with one Sn(14)N5O octahedra, and  an edgeedge with one Sn(7)N6 octahedra. The corner-sharing octahedral tilt angles range from 54-58°. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded to one Sn(1), one Sn(10), one Sn(4), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one O(3)Sn4 trigonal pyramid,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the second N site, N(2) is bonded to one Sn(11), one Sn(13), one Sn(4), and one Sn(6) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one O(2)Sn4 trigonal pyramid,  an edgeedge with one O(6)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the third N site, N(3) is bonded to one Sn(12), one Sn(2), one Sn(4), and one Sn(9) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one O(4)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(10), one Sn(15), one Sn(2), and one Sn(7) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 trigonal pyramid, and  an edgeedge with one O(2)Sn4 trigonal pyramid. In the fifth N site, N(5) 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(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra,  an edgeedge with one O(1)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the sixth N site, N(6) is bonded to one Sn(15), one Sn(5), one Sn(7), and one Sn(8) atom to form NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(12)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(12), one Sn(13), one Sn(3), and one Sn(7) atom to form NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the eighth N site, N(8) is bonded to one Sn(16), one Sn(3), one Sn(6), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the ninth N site, N(9) is bonded to one Sn(14), one Sn(16), one Sn(8), and one Sn(9) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the tenth N site, N(10) is bonded to one Sn(15), one Sn(16), one Sn(6), and one Sn(9) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(11)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(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(8)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(6)Sn4 trigonal pyramid. In the eleventh N site, N(11) is bonded to one Sn(10), one Sn(13), one Sn(14), and one Sn(9) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(13)Sn4 tetrahedra,  an edgeedge with one N(9)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the twelfth N site, N(12) is bonded to one Sn(11), one Sn(12), one Sn(15), and one Sn(5) atom to form distorted NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(13)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one O(2)Sn4 trigonal pyramid, and  an edgeedge with one O(3)Sn4 trigonal pyramid. In the thirteenth N site, N(13) is bonded to one Sn(10), one Sn(11), one Sn(14), and one Sn(5) atom to form NSn4 tetrahedra that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one O(7)Sn4 trigonal pyramid. In the fourteenth N site, N(14) is bonded to one Sn(16), one Sn(4), one Sn(7), and one Sn(8) atom to form distorted NSn4 tetrahedra that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)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(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one O(1)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(6)Sn4 tetrahedra,  an edgeedge with one N(8)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid, and  an edgeedge with one O(4)Sn4 trigonal pyramid. In the fifteenth N site, N(15) is bonded to one Sn(12), one Sn(14), one Sn(2), and one Sn(7) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(3)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the sixteenth N site, N(16) is bonded to one Sn(1), one Sn(12), one Sn(14), and one Sn(16) atom to form NSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  an edgeedge with one N(15)Sn4 trigonal pyramid,  an edgeedge with one N(9)Sn4 trigonal pyramid,  an edgeedge with one O(3)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sn(1), one Sn(13), one Sn(15), 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(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(5)Sn4 tetrahedra,  an edgeedge with one N(6)Sn4 tetrahedra,  an edgeedge with one O(4)Sn4 trigonal pyramid, and  an edgeedge with one O(8)Sn4 trigonal pyramid. In the second O site, O(2) is bonded to one Sn(11), one Sn(15), one Sn(2), and one Sn(6) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(4)Sn4 tetrahedra, and  an edgeedge with one N(12)Sn4 trigonal pyramid. In the third O site, O(3) is bonded to one Sn(1), one Sn(12), one Sn(3), and one Sn(5) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(3)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one O(1)Sn4 trigonal pyramid,  a cornercorner with one O(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  a cornercorner with one O(7)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(7)Sn4 tetrahedra,  an edgeedge with one N(12)Sn4 trigonal pyramid, and  an edgeedge with one N(16)Sn4 trigonal pyramid. In the fourth O site, O(4) is bonded to one Sn(1), one Sn(2), one Sn(4), and one Sn(8) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(6)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(14)Sn4 tetrahedra,  an edgeedge with one N(3)Sn4 tetrahedra, and  an edgeedge with one O(1)Sn4 trigonal pyramid. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Sn(10), one Sn(2), one Sn(3), and one Sn(9) atom. In the sixth O site, O(6) is bonded to one Sn(4), one Sn(5), one Sn(6), and one Sn(9) atom to form OSn4 trigonal pyramids that share  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(6)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(8)Sn4 trigonal pyramid,  an edgeedge with one N(1)Sn4 tetrahedra,  an edgeedge with one N(10)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra, and  an edgeedge with one N(3)Sn4 tetrahedra. In the seventh O site, O(7) is bonded to one Sn(10), one Sn(11), one Sn(16), and one Sn(3) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(11)Sn4 tetrahedra,  a cornercorner with one N(14)Sn4 tetrahedra,  a cornercorner with one N(2)Sn4 tetrahedra,  a cornercorner with one N(4)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(12)Sn4 trigonal pyramid,  a cornercorner with one N(16)Sn4 trigonal pyramid,  a cornercorner with one N(9)Sn4 trigonal pyramid,  a cornercorner with one O(2)Sn4 trigonal pyramid,  a cornercorner with one O(3)Sn4 trigonal pyramid,  an edgeedge with one N(13)Sn4 tetrahedra,  an edgeedge with one N(5)Sn4 tetrahedra, and  an edgeedge with one N(8)Sn4 trigonal pyramid. In the eighth O site, O(8) is bonded to one Sn(1), one Sn(13), one Sn(14), and one Sn(6) atom to form distorted OSn4 trigonal pyramids that share  a cornercorner with one N(1)Sn4 tetrahedra,  a cornercorner with one N(10)Sn4 tetrahedra,  a cornercorner with one N(13)Sn4 tetrahedra,  a cornercorner with one N(5)Sn4 tetrahedra,  a cornercorner with one N(7)Sn4 tetrahedra,  a cornercorner with one N(15)Sn4 trigonal pyramid,  a cornercorner with one N(8)Sn4 trigonal pyramid,  a cornercorner with one N(9)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(4)Sn4 trigonal pyramid,  a cornercorner with one O(6)Sn4 trigonal pyramid,  an edgeedge with one N(11)Sn4 tetrahedra,  an edgeedge with one N(2)Sn4 tetrahedra,  an edgeedge with one N(16)Sn4 trigonal pyramid, and  an edgeedge with one O(1)Sn4 trigonal pyramid. is represented by the CIF card [CIF]
data_Sn2N2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.805
_cell_length_b   8.850
_cell_length_c   8.871
_cell_angle_alpha   109.465
_cell_angle_beta   109.426
_cell_angle_gamma   109.293
_symmetry_Int_Tables_number   1
_cell_volume   533.654
_cell_formula_units_Z   8
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sn  Sn0  1  0.994  0.496  0.002  1.0
  Sn  Sn1  1  0.540  0.755  0.288  1.0
  Sn  Sn2  1  0.244  0.210  0.959  1.0
  Sn  Sn3  1  0.247  0.718  0.472  1.0
  Sn  Sn4  1  0.957  0.243  0.214  1.0
  Sn  Sn5  1  0.288  0.532  0.753  1.0
  Sn  Sn6  1  0.998  1.000  0.499  1.0
  Sn  Sn7  1  0.222  0.982  0.256  1.0
  Sn  Sn8  1  0.513  0.508  0.514  1.0
  Sn  Sn9  1  0.731  0.474  0.263  1.0
  Sn  Sn10  1  0.500  0.002  0.000  1.0
  Sn  Sn11  1  0.767  0.023  0.736  1.0
  Sn  Sn12  1  0.038  0.758  0.782  1.0
  Sn  Sn13  1  0.738  0.278  0.528  1.0
  Sn  Sn14  1  0.754  0.787  0.035  1.0
  Sn  Sn15  1  0.467  0.254  0.713  1.0
  N  N16  1  0.977  0.507  0.240  1.0
  N  N17  1  0.265  0.760  0.729  1.0
  N  N18  1  0.518  0.755  0.524  1.0
  N  N19  1  0.762  0.719  0.258  1.0
  N  N20  1  0.269  0.004  0.041  1.0
  N  N21  1  0.003  0.039  0.264  1.0
  N  N22  1  0.987  0.961  0.730  1.0
  N  N23  1  0.232  0.275  0.738  1.0
  N  N24  1  0.461  0.238  0.458  1.0
  N  N25  1  0.550  0.551  0.781  1.0
  N  N26  1  0.783  0.546  0.546  1.0
  N  N27  1  0.726  0.997  0.951  1.0
  N  N28  1  0.728  0.228  0.268  1.0
  N  N29  1  0.238  0.959  0.501  1.0
  N  N30  1  0.759  0.037  0.489  1.0
  N  N31  1  0.732  0.270  0.777  1.0
  O  O32  1  0.957  0.722  0.991  1.0
  O  O33  1  0.492  0.770  0.044  1.0
  O  O34  1  0.063  0.288  0.021  1.0
  O  O35  1  0.271  0.731  0.206  1.0
  O  O36  1  0.451  0.449  0.221  1.0
  O  O37  1  0.223  0.439  0.463  1.0
  O  O38  1  0.508  0.237  0.963  1.0
  O  O39  1  0.048  0.496  0.783  1.0
[/CIF]
.