Li2Ni3SnO8 is Hausmannite-derived structured and crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1); one O(3); and two O(2,2) atoms to form LiO4 tetrahedra that share corners with three equivalent Ni(1)O6 octahedra; corners with three equivalent Sn(1)O6 octahedra; and corners with six Ni(2,2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1) and four O(2,2) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra; edges with two equivalent Sn(1)O6 octahedra; and edges with four Ni(2,2)O6 octahedra. In the second Ni site, Ni(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Ni site, Ni(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Sn(1) is bonded to two equivalent O(3) and four O(2,2) atoms to form SnO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra; edges with two equivalent Ni(1)O6 octahedra; and edges with four Ni(2,2)O6 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(1); one Ni(1); and two Ni(2,2) atoms to form distorted OLiNi3 tetrahedra that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(3)LiNi2Sn tetrahedra, and  an edgeedge with one O(2)LiNi2Sn trigonal pyramid. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(2), and one Sn(1) atom. In the third O site, O(2) is bonded to one Li(1), one Ni(1), one Ni(2), and one Sn(1) atom to form distorted OLiNi2Sn trigonal pyramids that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(3)LiNi2Sn tetrahedra, and  an edgeedge with one O(1)LiNi3 tetrahedra. In the fourth O site, O(3) is bonded to one Li(1); two Ni(2,2); and one Sn(1) atom to form distorted OLiNi2Sn tetrahedra that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(1)LiNi3 tetrahedra, and  an edgeedge with one O(2)LiNi2Sn trigonal pyramid.
Li2Ni3SnO8 is Hausmannite-derived structured and crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1); one O(3); and two O(2,2) atoms to form LiO4 tetrahedra that share corners with three equivalent Ni(1)O6 octahedra; corners with three equivalent Sn(1)O6 octahedra; and corners with six Ni(2,2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. The Li(1)-O(1) bond length is 2.27 Å. The Li(1)-O(3) bond length is 1.92 Å. There is one shorter (1.93 Å) and one longer (1.94 Å) Li(1)-O(2,2) bond length. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1) and four O(2,2) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra; edges with two equivalent Sn(1)O6 octahedra; and edges with four Ni(2,2)O6 octahedra. Both Ni(1)-O(1) bond lengths are 1.92 Å. All Ni(1)-O(2,2) bond lengths are 1.90 Å. In the second Ni site, Ni(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Both Ni(2)-O(1) bond lengths are 1.96 Å. Both Ni(2)-O(2) bond lengths are 2.14 Å. Both Ni(2)-O(3) bond lengths are 1.91 Å. In the third Ni site, Ni(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Both Ni(2)-O(1) bond lengths are 1.95 Å. Both Ni(2)-O(2) bond lengths are 2.14 Å. Both Ni(2)-O(3) bond lengths are 1.91 Å. Sn(1) is bonded to two equivalent O(3) and four O(2,2) atoms to form SnO6 octahedra that share corners with six equivalent Li(1)O4 tetrahedra; edges with two equivalent Ni(1)O6 octahedra; and edges with four Ni(2,2)O6 octahedra. Both Sn(1)-O(3) bond lengths are 2.12 Å. All Sn(1)-O(2,2) bond lengths are 2.07 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(1); one Ni(1); and two Ni(2,2) atoms to form distorted OLiNi3 tetrahedra that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(3)LiNi2Sn tetrahedra, and  an edgeedge with one O(2)LiNi2Sn trigonal pyramid. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(2), and one Sn(1) atom. In the third O site, O(2) is bonded to one Li(1), one Ni(1), one Ni(2), and one Sn(1) atom to form distorted OLiNi2Sn trigonal pyramids that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(3)LiNi2Sn tetrahedra, and  an edgeedge with one O(1)LiNi3 tetrahedra. In the fourth O site, O(3) is bonded to one Li(1); two Ni(2,2); and one Sn(1) atom to form distorted OLiNi2Sn tetrahedra that share corners with three equivalent O(3)LiNi2Sn tetrahedra, corners with three equivalent O(1)LiNi3 tetrahedra, corners with three equivalent O(2)LiNi2Sn trigonal pyramids,  an edgeedge with one O(1)LiNi3 tetrahedra, and  an edgeedge with one O(2)LiNi2Sn trigonal pyramid.