Li2Ni2SnO6 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(5), one O(6), one O(7), one O(9), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the second Li site, Li(2) is bonded to one O(3), one O(6), one O(7), one O(8), and two equivalent O(1) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-15°. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(8), one O(9), and two equivalent O(2) atoms. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-13°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(5), one O(6), and two equivalent O(8) atoms to form distorted NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 15°. In the third Ni site, Ni(3) is bonded to one O(2), one O(3), one O(4), one O(6), and two equivalent O(9) atoms to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 6°. In the second Sn site, Sn(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(7) atoms to form SnO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. There are nine inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(2), one Ni(1), one Ni(2), and one Sn(2) atom to form OLi2Ni2Sn square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(8)Li2Ni3 square pyramid,  a cornercorner with one O(9)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(7)Li2NiSn2 square pyramid, corners with two equivalent O(3)Li2Ni2Sn square pyramids, corners with two equivalent O(6)Li2Ni3 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, edges with two equivalent O(8)Li2Ni3 square pyramids, and edges with two equivalent O(7)Li2NiSn2 square pyramids. In the second O site, O(2) is bonded to two equivalent Li(3), one Ni(2), one Ni(3), and one Sn(1) atom to form distorted OLi2Ni2Sn square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(3)Li2Ni2Sn square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with two equivalent O(8)Li2Ni3 square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid, and edges with two equivalent O(5)Li2NiSn2 square pyramids. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Ni(1), one Ni(3), and one Sn(2) atom to form OLi2Ni2Sn square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(8)Li2Ni3 square pyramid, corners with two equivalent O(1)Li2Ni2Sn square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with three equivalent O(6)Li2Ni3 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, and edges with two equivalent O(7)Li2NiSn2 square pyramids. In the fourth O site, O(4) is bonded to two equivalent Li(1), one Ni(3), one Sn(1), and one Sn(2) atom to form OLi2NiSn2 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(6)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with two equivalent O(7)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, and edges with two equivalent O(5)Li2NiSn2 square pyramids. In the fifth O site, O(5) is bonded to one Li(1), one Li(3), one Ni(2), one Sn(1), and one Sn(2) atom to form distorted OLi2NiSn2 square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with three equivalent O(8)Li2Ni3 square pyramids, corners with three equivalent O(7)Li2NiSn2 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid, edges with two equivalent O(2)Li2Ni2Sn square pyramids, and edges with two equivalent O(4)Li2NiSn2 square pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(7)Li2NiSn2 square pyramid, corners with two equivalent O(1)Li2Ni2Sn square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with three equivalent O(3)Li2Ni2Sn square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, and edges with two equivalent O(8)Li2Ni3 square pyramids. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Ni(1), and two equivalent Sn(2) atoms to form OLi2NiSn2 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(6)Li2Ni3 square pyramid, corners with two equivalent O(8)Li2Ni3 square pyramids, corners with two equivalent O(4)Li2NiSn2 square pyramids, corners with three equivalent O(5)Li2NiSn2 square pyramids,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, edges with two equivalent O(1)Li2Ni2Sn square pyramids, and edges with two equivalent O(3)Li2Ni2Sn square pyramids. In the eighth O site, O(8) is bonded to one Li(2), one Li(3), one Ni(1), and two equivalent Ni(2) atoms to form OLi2Ni3 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(3)Li2Ni2Sn square pyramid, corners with two equivalent O(2)Li2Ni2Sn square pyramids, corners with two equivalent O(7)Li2NiSn2 square pyramids, corners with three equivalent O(5)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid, edges with two equivalent O(1)Li2Ni2Sn square pyramids, and edges with two equivalent O(6)Li2Ni3 square pyramids. In the ninth O site, O(9) is bonded to one Li(1), one Li(3), one Ni(1), and two equivalent Ni(3) atoms to form OLi2Ni3 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid, corners with two equivalent O(2)Li2Ni2Sn square pyramids, corners with two equivalent O(3)Li2Ni2Sn square pyramids, corners with two equivalent O(6)Li2Ni3 square pyramids, corners with two equivalent O(4)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, and  an edgeedge with one O(7)Li2NiSn2 square pyramid.
Li2Ni2SnO6 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(5), one O(6), one O(7), one O(9), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-13°. The Li(1)-O(5) bond length is 2.12 Å. The Li(1)-O(6) bond length is 2.12 Å. The Li(1)-O(7) bond length is 2.09 Å. The Li(1)-O(9) bond length is 2.29 Å. There is one shorter (2.10 Å) and one longer (2.26 Å) Li(1)-O(4) bond length. In the second Li site, Li(2) is bonded to one O(3), one O(6), one O(7), one O(8), and two equivalent O(1) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-15°. The Li(2)-O(3) bond length is 2.26 Å. The Li(2)-O(6) bond length is 2.23 Å. The Li(2)-O(7) bond length is 2.18 Å. The Li(2)-O(8) bond length is 2.11 Å. There is one shorter (2.06 Å) and one longer (2.43 Å) Li(2)-O(1) bond length. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(8), one O(9), and two equivalent O(2) atoms. The Li(3)-O(3) bond length is 2.23 Å. The Li(3)-O(5) bond length is 2.60 Å. The Li(3)-O(8) bond length is 2.06 Å. The Li(3)-O(9) bond length is 2.29 Å. There is one shorter (1.97 Å) and one longer (2.11 Å) Li(3)-O(2) bond length. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-13°. The Ni(1)-O(1) bond length is 1.92 Å. The Ni(1)-O(3) bond length is 2.00 Å. The Ni(1)-O(6) bond length is 2.04 Å. The Ni(1)-O(7) bond length is 2.28 Å. The Ni(1)-O(8) bond length is 1.97 Å. The Ni(1)-O(9) bond length is 1.87 Å. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(5), one O(6), and two equivalent O(8) atoms to form distorted NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 15°. The Ni(2)-O(1) bond length is 1.98 Å. The Ni(2)-O(2) bond length is 2.25 Å. The Ni(2)-O(5) bond length is 1.97 Å. The Ni(2)-O(6) bond length is 1.87 Å. There is one shorter (1.86 Å) and one longer (2.15 Å) Ni(2)-O(8) bond length. In the third Ni site, Ni(3) is bonded to one O(2), one O(3), one O(4), one O(6), and two equivalent O(9) atoms to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. The Ni(3)-O(2) bond length is 1.89 Å. The Ni(3)-O(3) bond length is 2.03 Å. The Ni(3)-O(4) bond length is 2.10 Å. The Ni(3)-O(6) bond length is 2.02 Å. There is one shorter (1.90 Å) and one longer (2.05 Å) Ni(3)-O(9) bond length. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SnO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 6°. Both Sn(1)-O(2) bond lengths are 2.08 Å. Both Sn(1)-O(4) bond lengths are 2.07 Å. Both Sn(1)-O(5) bond lengths are 2.07 Å. In the second Sn site, Sn(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(7) atoms to form SnO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-15°. The Sn(2)-O(1) bond length is 2.11 Å. The Sn(2)-O(3) bond length is 2.08 Å. The Sn(2)-O(4) bond length is 2.10 Å. The Sn(2)-O(5) bond length is 2.07 Å. There is one shorter (2.05 Å) and one longer (2.07 Å) Sn(2)-O(7) bond length. There are nine inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(2), one Ni(1), one Ni(2), and one Sn(2) atom to form OLi2Ni2Sn square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(8)Li2Ni3 square pyramid,  a cornercorner with one O(9)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(7)Li2NiSn2 square pyramid, corners with two equivalent O(3)Li2Ni2Sn square pyramids, corners with two equivalent O(6)Li2Ni3 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, edges with two equivalent O(8)Li2Ni3 square pyramids, and edges with two equivalent O(7)Li2NiSn2 square pyramids. In the second O site, O(2) is bonded to two equivalent Li(3), one Ni(2), one Ni(3), and one Sn(1) atom to form distorted OLi2Ni2Sn square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(3)Li2Ni2Sn square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with two equivalent O(8)Li2Ni3 square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid, and edges with two equivalent O(5)Li2NiSn2 square pyramids. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Ni(1), one Ni(3), and one Sn(2) atom to form OLi2Ni2Sn square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(8)Li2Ni3 square pyramid, corners with two equivalent O(1)Li2Ni2Sn square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with three equivalent O(6)Li2Ni3 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, and edges with two equivalent O(7)Li2NiSn2 square pyramids. In the fourth O site, O(4) is bonded to two equivalent Li(1), one Ni(3), one Sn(1), and one Sn(2) atom to form OLi2NiSn2 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(6)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with two equivalent O(7)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, and edges with two equivalent O(5)Li2NiSn2 square pyramids. In the fifth O site, O(5) is bonded to one Li(1), one Li(3), one Ni(2), one Sn(1), and one Sn(2) atom to form distorted OLi2NiSn2 square pyramids that share  a cornercorner with one O(2)Li2Ni2Sn square pyramid,  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(5)Li2NiSn2 square pyramid, corners with three equivalent O(8)Li2Ni3 square pyramids, corners with three equivalent O(7)Li2NiSn2 square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid, edges with two equivalent O(2)Li2Ni2Sn square pyramids, and edges with two equivalent O(4)Li2NiSn2 square pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(4)Li2NiSn2 square pyramid,  a cornercorner with one O(7)Li2NiSn2 square pyramid, corners with two equivalent O(1)Li2Ni2Sn square pyramids, corners with two equivalent O(9)Li2Ni3 square pyramids, corners with three equivalent O(3)Li2Ni2Sn square pyramids,  an edgeedge with one O(1)Li2Ni2Sn square pyramid,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, and edges with two equivalent O(8)Li2Ni3 square pyramids. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Ni(1), and two equivalent Sn(2) atoms to form OLi2NiSn2 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(6)Li2Ni3 square pyramid, corners with two equivalent O(8)Li2Ni3 square pyramids, corners with two equivalent O(4)Li2NiSn2 square pyramids, corners with three equivalent O(5)Li2NiSn2 square pyramids,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(7)Li2NiSn2 square pyramid, edges with two equivalent O(1)Li2Ni2Sn square pyramids, and edges with two equivalent O(3)Li2Ni2Sn square pyramids. In the eighth O site, O(8) is bonded to one Li(2), one Li(3), one Ni(1), and two equivalent Ni(2) atoms to form OLi2Ni3 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid,  a cornercorner with one O(3)Li2Ni2Sn square pyramid, corners with two equivalent O(2)Li2Ni2Sn square pyramids, corners with two equivalent O(7)Li2NiSn2 square pyramids, corners with three equivalent O(5)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid, edges with two equivalent O(1)Li2Ni2Sn square pyramids, and edges with two equivalent O(6)Li2Ni3 square pyramids. In the ninth O site, O(9) is bonded to one Li(1), one Li(3), one Ni(1), and two equivalent Ni(3) atoms to form OLi2Ni3 square pyramids that share  a cornercorner with one O(1)Li2Ni2Sn square pyramid, corners with two equivalent O(2)Li2Ni2Sn square pyramids, corners with two equivalent O(3)Li2Ni2Sn square pyramids, corners with two equivalent O(6)Li2Ni3 square pyramids, corners with two equivalent O(4)Li2NiSn2 square pyramids,  an edgeedge with one O(2)Li2Ni2Sn square pyramid,  an edgeedge with one O(3)Li2Ni2Sn square pyramid,  an edgeedge with one O(6)Li2Ni3 square pyramid,  an edgeedge with one O(8)Li2Ni3 square pyramid,  an edgeedge with one O(9)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2NiSn2 square pyramid,  an edgeedge with one O(5)Li2NiSn2 square pyramid, and  an edgeedge with one O(7)Li2NiSn2 square pyramid.