LiCoSnO4 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(16), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(4)O6 octahedra, and corners with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. In the second Li site, Li(2) is bonded to one O(14), one O(15), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(11), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. In the fourth Li site, Li(4) is bonded to one O(12), one O(2), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(4)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(14), one O(2), one O(3), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, and edges with two equivalent Sn(4)O6 octahedra. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(16), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra,  an edgeedge with one Sn(3)O6 octahedra, and  an edgeedge with one Sn(4)O6 octahedra. In the third Co site, Co(3) is bonded to one O(1), one O(12), one O(13), one O(4), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(15), one O(2), one O(3), one O(5), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra,  an edgeedge with one Sn(3)O6 octahedra, and  an edgeedge with one Sn(4)O6 octahedra. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(11), one O(14), one O(16), one O(2), one O(7), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Sn(4)O6 octahedra. In the second Sn site, Sn(2) is bonded to one O(1), one O(10), one O(12), one O(13), one O(15), and one O(8) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. In the third Sn site, Sn(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(4), and one O(5) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. In the fourth Sn site, Sn(4) is bonded to one O(11), one O(14), one O(16), one O(3), one O(6), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Co(2), one Co(3), and one Sn(2) atom. In the second O site, O(2) is bonded to one Li(4), one Co(1), one Co(4), and one Sn(1) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(3)LiCo2Sn trigonal pyramid,  a cornercorner with one O(6)LiCo2Sn trigonal pyramid, corners with two equivalent O(7)LiCo2Sn trigonal pyramids, corners with two equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(3)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(11)LiCoSn2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(4), one Co(1), one Co(4), and one Sn(4) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sn trigonal pyramid,  a cornercorner with one O(7)LiCo2Sn trigonal pyramid, corners with two equivalent O(6)LiCo2Sn trigonal pyramids, corners with two equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(2)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(11)LiCoSn2 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Co(2), one Co(3), and one Sn(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Sn(3) atom. In the sixth O site, O(6) is bonded to one Li(1), one Co(1), one Co(2), and one Sn(4) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sn trigonal pyramid,  a cornercorner with one O(7)LiCo2Sn trigonal pyramid, corners with two equivalent O(3)LiCo2Sn trigonal pyramids, corners with two equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(7)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(14)LiCoSn2 trigonal pyramid. In the seventh O site, O(7) is bonded to one Li(1), one Co(1), one Co(2), and one Sn(1) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(3)LiCo2Sn trigonal pyramid,  a cornercorner with one O(6)LiCo2Sn trigonal pyramid, corners with two equivalent O(2)LiCo2Sn trigonal pyramids, corners with two equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(6)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(14)LiCoSn2 trigonal pyramid. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Co(4), one Sn(1), and one Sn(4) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Co(2), one Sn(2), and one Sn(3) atom. In the eleventh O site, O(11) is bonded to one Li(3), one Co(1), one Sn(1), and one Sn(4) atom to form distorted OLiCoSn2 trigonal pyramids that share corners with two equivalent O(6)LiCo2Sn trigonal pyramids, corners with two equivalent O(7)LiCo2Sn trigonal pyramids, corners with three equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(2)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(3)LiCo2Sn trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Co(3), one Sn(2), and one Sn(3) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Co(3), one Sn(2), and one Sn(3) atom. In the fourteenth O site, O(14) is bonded to one Li(2), one Co(1), one Sn(1), and one Sn(4) atom to form distorted OLiCoSn2 trigonal pyramids that share corners with two equivalent O(2)LiCo2Sn trigonal pyramids, corners with two equivalent O(3)LiCo2Sn trigonal pyramids, corners with three equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(6)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(7)LiCo2Sn trigonal pyramid. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(4), one Sn(2), and one Sn(3) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Co(2), one Sn(1), and one Sn(4) atom.
LiCoSnO4 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(13), one O(16), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(4)O6 octahedra, and corners with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. The Li(1)-O(13) bond length is 1.96 Å. The Li(1)-O(16) bond length is 2.00 Å. The Li(1)-O(6) bond length is 2.11 Å. The Li(1)-O(7) bond length is 2.13 Å. In the second Li site, Li(2) is bonded to one O(14), one O(15), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. The Li(2)-O(14) bond length is 2.00 Å. The Li(2)-O(15) bond length is 1.98 Å. The Li(2)-O(5) bond length is 2.17 Å. The Li(2)-O(8) bond length is 2.15 Å. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(11), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. The Li(3)-O(1) bond length is 2.15 Å. The Li(3)-O(10) bond length is 1.98 Å. The Li(3)-O(11) bond length is 2.00 Å. The Li(3)-O(4) bond length is 2.17 Å. In the fourth Li site, Li(4) is bonded to one O(12), one O(2), one O(3), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(4)O6 octahedra, and corners with three equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. The Li(4)-O(12) bond length is 1.96 Å. The Li(4)-O(2) bond length is 2.13 Å. The Li(4)-O(3) bond length is 2.12 Å. The Li(4)-O(9) bond length is 2.00 Å. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(14), one O(2), one O(3), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, and edges with two equivalent Sn(4)O6 octahedra. The Co(1)-O(11) bond length is 2.10 Å. The Co(1)-O(14) bond length is 2.11 Å. The Co(1)-O(2) bond length is 1.99 Å. The Co(1)-O(3) bond length is 2.07 Å. The Co(1)-O(6) bond length is 2.06 Å. The Co(1)-O(7) bond length is 1.99 Å. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(16), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra,  an edgeedge with one Sn(3)O6 octahedra, and  an edgeedge with one Sn(4)O6 octahedra. The Co(2)-O(1) bond length is 2.05 Å. The Co(2)-O(10) bond length is 2.08 Å. The Co(2)-O(16) bond length is 2.10 Å. The Co(2)-O(4) bond length is 2.01 Å. The Co(2)-O(6) bond length is 2.00 Å. The Co(2)-O(7) bond length is 2.06 Å. In the third Co site, Co(3) is bonded to one O(1), one O(12), one O(13), one O(4), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The Co(3)-O(1) bond length is 1.93 Å. The Co(3)-O(12) bond length is 2.20 Å. The Co(3)-O(13) bond length is 2.22 Å. The Co(3)-O(4) bond length is 1.96 Å. The Co(3)-O(5) bond length is 1.96 Å. The Co(3)-O(8) bond length is 1.94 Å. In the fourth Co site, Co(4) is bonded to one O(15), one O(2), one O(3), one O(5), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra,  an edgeedge with one Sn(2)O6 octahedra,  an edgeedge with one Sn(3)O6 octahedra, and  an edgeedge with one Sn(4)O6 octahedra. The Co(4)-O(15) bond length is 2.08 Å. The Co(4)-O(2) bond length is 2.05 Å. The Co(4)-O(3) bond length is 1.98 Å. The Co(4)-O(5) bond length is 2.02 Å. The Co(4)-O(8) bond length is 2.06 Å. The Co(4)-O(9) bond length is 2.10 Å. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(11), one O(14), one O(16), one O(2), one O(7), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Sn(4)O6 octahedra. The Sn(1)-O(11) bond length is 2.10 Å. The Sn(1)-O(14) bond length is 2.10 Å. The Sn(1)-O(16) bond length is 2.10 Å. The Sn(1)-O(2) bond length is 2.10 Å. The Sn(1)-O(7) bond length is 2.10 Å. The Sn(1)-O(9) bond length is 2.10 Å. In the second Sn site, Sn(2) is bonded to one O(1), one O(10), one O(12), one O(13), one O(15), and one O(8) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The Sn(2)-O(1) bond length is 2.12 Å. The Sn(2)-O(10) bond length is 2.11 Å. The Sn(2)-O(12) bond length is 2.08 Å. The Sn(2)-O(13) bond length is 2.08 Å. The Sn(2)-O(15) bond length is 2.11 Å. The Sn(2)-O(8) bond length is 2.11 Å. In the third Sn site, Sn(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(4), and one O(5) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The Sn(3)-O(10) bond length is 2.10 Å. The Sn(3)-O(12) bond length is 2.08 Å. The Sn(3)-O(13) bond length is 2.08 Å. The Sn(3)-O(15) bond length is 2.10 Å. The Sn(3)-O(4) bond length is 2.12 Å. The Sn(3)-O(5) bond length is 2.12 Å. In the fourth Sn site, Sn(4) is bonded to one O(11), one O(14), one O(16), one O(3), one O(6), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The Sn(4)-O(11) bond length is 2.11 Å. The Sn(4)-O(14) bond length is 2.11 Å. The Sn(4)-O(16) bond length is 2.10 Å. The Sn(4)-O(3) bond length is 2.10 Å. The Sn(4)-O(6) bond length is 2.09 Å. The Sn(4)-O(9) bond length is 2.10 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Co(2), one Co(3), and one Sn(2) atom. In the second O site, O(2) is bonded to one Li(4), one Co(1), one Co(4), and one Sn(1) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(3)LiCo2Sn trigonal pyramid,  a cornercorner with one O(6)LiCo2Sn trigonal pyramid, corners with two equivalent O(7)LiCo2Sn trigonal pyramids, corners with two equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(3)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(11)LiCoSn2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(4), one Co(1), one Co(4), and one Sn(4) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sn trigonal pyramid,  a cornercorner with one O(7)LiCo2Sn trigonal pyramid, corners with two equivalent O(6)LiCo2Sn trigonal pyramids, corners with two equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(2)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(11)LiCoSn2 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Co(2), one Co(3), and one Sn(3) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Sn(3) atom. In the sixth O site, O(6) is bonded to one Li(1), one Co(1), one Co(2), and one Sn(4) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sn trigonal pyramid,  a cornercorner with one O(7)LiCo2Sn trigonal pyramid, corners with two equivalent O(3)LiCo2Sn trigonal pyramids, corners with two equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(7)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(14)LiCoSn2 trigonal pyramid. In the seventh O site, O(7) is bonded to one Li(1), one Co(1), one Co(2), and one Sn(1) atom to form distorted OLiCo2Sn trigonal pyramids that share  a cornercorner with one O(3)LiCo2Sn trigonal pyramid,  a cornercorner with one O(6)LiCo2Sn trigonal pyramid, corners with two equivalent O(2)LiCo2Sn trigonal pyramids, corners with two equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(6)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(14)LiCoSn2 trigonal pyramid. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Co(4), one Sn(1), and one Sn(4) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Co(2), one Sn(2), and one Sn(3) atom. In the eleventh O site, O(11) is bonded to one Li(3), one Co(1), one Sn(1), and one Sn(4) atom to form distorted OLiCoSn2 trigonal pyramids that share corners with two equivalent O(6)LiCo2Sn trigonal pyramids, corners with two equivalent O(7)LiCo2Sn trigonal pyramids, corners with three equivalent O(14)LiCoSn2 trigonal pyramids,  an edgeedge with one O(2)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(3)LiCo2Sn trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Co(3), one Sn(2), and one Sn(3) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Co(3), one Sn(2), and one Sn(3) atom. In the fourteenth O site, O(14) is bonded to one Li(2), one Co(1), one Sn(1), and one Sn(4) atom to form distorted OLiCoSn2 trigonal pyramids that share corners with two equivalent O(2)LiCo2Sn trigonal pyramids, corners with two equivalent O(3)LiCo2Sn trigonal pyramids, corners with three equivalent O(11)LiCoSn2 trigonal pyramids,  an edgeedge with one O(6)LiCo2Sn trigonal pyramid, and  an edgeedge with one O(7)LiCo2Sn trigonal pyramid. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(4), one Sn(2), and one Sn(3) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Co(2), one Sn(1), and one Sn(4) atom.