LiCo3(SiO4)2 crystallizes in the triclinic P1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(17), one O(2), one O(7), and one O(9) atom. In the second Li site, Li(2) is bonded to one O(10), one O(18), one O(4), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with two equivalent Co(9)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. In the third Li site, Li(3) is bonded to one O(13), one O(15), one O(21), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. There are nine inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(15), one O(5), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and corners with two equivalent Si(5)O4 tetrahedra. In the second Co site, Co(2) is bonded to one O(11), one O(14), one O(23), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, and corners with two equivalent Si(6)O4 tetrahedra. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(14), and one O(22) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra, and corners with two equivalent Si(6)O4 tetrahedra. In the fourth Co site, Co(4) is bonded to one O(16), one O(17), one O(19), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. In the fifth Co site, Co(5) is bonded to one O(16), one O(18), one O(24), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. In the sixth Co site, Co(6) is bonded to one O(11), one O(20), one O(23), and one O(24) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. In the seventh Co site, Co(7) is bonded to one O(12), one O(19), one O(20), and one O(22) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. In the eighth Co site, Co(8) is bonded to one O(2), one O(21), one O(3), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and corners with two equivalent Si(4)O4 tetrahedra. In the ninth Co site, Co(9) is bonded to one O(1), one O(10), one O(3), and one O(4) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(18), one O(19), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. In the second Si site, Si(2) is bonded to one O(16), one O(20), one O(6), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the third Si site, Si(3) is bonded to one O(11), one O(13), one O(24), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(5)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and corners with two equivalent Co(6)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(3), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(8)O4 tetrahedra, corners with two equivalent Co(9)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. In the fifth Si site, Si(5) is bonded to one O(1), one O(15), one O(17), and one O(2) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(14), one O(21), one O(22), and one O(23) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and corners with two equivalent Co(3)O4 tetrahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(9), and one Si(5) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Co(8), and one Si(5) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(8), one Co(9), and one Si(4) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Li(2), one Co(9), and one Si(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(5), and one Si(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Co(4), and one Si(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Si(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(8), and one Si(4) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(2), one Co(9), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Si(3) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Si(1) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Li(3), one Co(3), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one Co(4), one Co(5), and one Si(2) atom. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one Li(1), one Co(4), and one Si(5) atom. In the eighteenth O site, O(18) is bonded in a trigonal non-coplanar geometry to one Li(2), one Co(5), and one Si(1) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one Co(4), one Co(7), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Co(6), one Co(7), and one Si(2) atom. In the twenty-first O site, O(21) is bonded in a trigonal non-coplanar geometry to one Li(3), one Co(8), and one Si(6) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Si(6) atom. In the twenty-third O site, O(23) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Si(6) atom. In the twenty-fourth O site, O(24) is bonded in a trigonal planar geometry to one Co(5), one Co(6), and one Si(3) atom.
LiCo3(SiO4)2 crystallizes in the triclinic P1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(17), one O(2), one O(7), and one O(9) atom. The Li(1)-O(17) bond length is 1.99 Å. The Li(1)-O(2) bond length is 1.97 Å. The Li(1)-O(7) bond length is 2.20 Å. The Li(1)-O(9) bond length is 2.42 Å. In the second Li site, Li(2) is bonded to one O(10), one O(18), one O(4), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with two equivalent Co(9)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. The Li(2)-O(10) bond length is 2.09 Å. The Li(2)-O(18) bond length is 2.01 Å. The Li(2)-O(4) bond length is 2.00 Å. The Li(2)-O(6) bond length is 2.39 Å. In the third Li site, Li(3) is bonded to one O(13), one O(15), one O(21), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. The Li(3)-O(13) bond length is 2.12 Å. The Li(3)-O(15) bond length is 2.04 Å. The Li(3)-O(21) bond length is 2.21 Å. The Li(3)-O(5) bond length is 2.07 Å. There are nine inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(15), one O(5), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and corners with two equivalent Si(5)O4 tetrahedra. The Co(1)-O(1) bond length is 2.01 Å. The Co(1)-O(15) bond length is 1.93 Å. The Co(1)-O(5) bond length is 1.95 Å. The Co(1)-O(8) bond length is 2.02 Å. In the second Co site, Co(2) is bonded to one O(11), one O(14), one O(23), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Co(6)O4 tetrahedra, and corners with two equivalent Si(6)O4 tetrahedra. The Co(2)-O(11) bond length is 1.97 Å. The Co(2)-O(14) bond length is 1.99 Å. The Co(2)-O(23) bond length is 1.96 Å. The Co(2)-O(8) bond length is 1.97 Å. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(14), and one O(22) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra, and corners with two equivalent Si(6)O4 tetrahedra. The Co(3)-O(12) bond length is 1.97 Å. The Co(3)-O(13) bond length is 1.89 Å. The Co(3)-O(14) bond length is 1.99 Å. The Co(3)-O(22) bond length is 1.98 Å. In the fourth Co site, Co(4) is bonded to one O(16), one O(17), one O(19), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The Co(4)-O(16) bond length is 2.00 Å. The Co(4)-O(17) bond length is 1.87 Å. The Co(4)-O(19) bond length is 1.92 Å. The Co(4)-O(7) bond length is 1.88 Å. In the fifth Co site, Co(5) is bonded to one O(16), one O(18), one O(24), and one O(6) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. The Co(5)-O(16) bond length is 2.02 Å. The Co(5)-O(18) bond length is 1.90 Å. The Co(5)-O(24) bond length is 1.95 Å. The Co(5)-O(6) bond length is 1.90 Å. In the sixth Co site, Co(6) is bonded to one O(11), one O(20), one O(23), and one O(24) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. The Co(6)-O(11) bond length is 1.94 Å. The Co(6)-O(20) bond length is 2.01 Å. The Co(6)-O(23) bond length is 2.03 Å. The Co(6)-O(24) bond length is 2.01 Å. In the seventh Co site, Co(7) is bonded to one O(12), one O(19), one O(20), and one O(22) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. The Co(7)-O(12) bond length is 1.96 Å. The Co(7)-O(19) bond length is 2.01 Å. The Co(7)-O(20) bond length is 2.00 Å. The Co(7)-O(22) bond length is 2.03 Å. In the eighth Co site, Co(8) is bonded to one O(2), one O(21), one O(3), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra,  a cornercorner with one Si(6)O4 tetrahedra, and corners with two equivalent Si(4)O4 tetrahedra. The Co(8)-O(2) bond length is 1.87 Å. The Co(8)-O(21) bond length is 1.86 Å. The Co(8)-O(3) bond length is 1.95 Å. The Co(8)-O(9) bond length is 1.87 Å. In the ninth Co site, Co(9) is bonded to one O(1), one O(10), one O(3), and one O(4) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. The Co(9)-O(1) bond length is 1.98 Å. The Co(9)-O(10) bond length is 1.95 Å. The Co(9)-O(3) bond length is 2.05 Å. The Co(9)-O(4) bond length is 1.91 Å. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(18), one O(19), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(5)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra, corners with two equivalent Co(7)O4 tetrahedra, and corners with two equivalent Li(2)O4 trigonal pyramids. The Si(1)-O(12) bond length is 1.65 Å. The Si(1)-O(18) bond length is 1.64 Å. The Si(1)-O(19) bond length is 1.67 Å. The Si(1)-O(4) bond length is 1.62 Å. In the second Si site, Si(2) is bonded to one O(16), one O(20), one O(6), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. The Si(2)-O(16) bond length is 1.66 Å. The Si(2)-O(20) bond length is 1.65 Å. The Si(2)-O(6) bond length is 1.64 Å. The Si(2)-O(7) bond length is 1.65 Å. In the third Si site, Si(3) is bonded to one O(11), one O(13), one O(24), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra,  a cornercorner with one Co(5)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and corners with two equivalent Co(6)O4 tetrahedra. The Si(3)-O(11) bond length is 1.65 Å. The Si(3)-O(13) bond length is 1.63 Å. The Si(3)-O(24) bond length is 1.67 Å. The Si(3)-O(5) bond length is 1.64 Å. In the fourth Si site, Si(4) is bonded to one O(10), one O(3), one O(8), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(8)O4 tetrahedra, corners with two equivalent Co(9)O4 tetrahedra, and  a cornercorner with one Li(2)O4 trigonal pyramid. The Si(4)-O(10) bond length is 1.63 Å. The Si(4)-O(3) bond length is 1.67 Å. The Si(4)-O(8) bond length is 1.66 Å. The Si(4)-O(9) bond length is 1.65 Å. In the fifth Si site, Si(5) is bonded to one O(1), one O(15), one O(17), and one O(2) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(4)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra,  a cornercorner with one Co(9)O4 tetrahedra, and corners with two equivalent Co(1)O4 tetrahedra. The Si(5)-O(1) bond length is 1.66 Å. The Si(5)-O(15) bond length is 1.63 Å. The Si(5)-O(17) bond length is 1.64 Å. The Si(5)-O(2) bond length is 1.66 Å. In the sixth Si site, Si(6) is bonded to one O(14), one O(21), one O(22), and one O(23) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Co(6)O4 tetrahedra,  a cornercorner with one Co(7)O4 tetrahedra,  a cornercorner with one Co(8)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra, and corners with two equivalent Co(3)O4 tetrahedra. The Si(6)-O(14) bond length is 1.65 Å. The Si(6)-O(21) bond length is 1.64 Å. The Si(6)-O(22) bond length is 1.65 Å. The Si(6)-O(23) bond length is 1.64 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(9), and one Si(5) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Li(1), one Co(8), and one Si(5) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(8), one Co(9), and one Si(4) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Li(2), one Co(9), and one Si(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Li(2), one Co(5), and one Si(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Co(4), and one Si(2) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Si(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(8), and one Si(4) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(2), one Co(9), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Si(3) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Si(1) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Li(3), one Co(3), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Si(6) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Li(3), one Co(1), and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal non-coplanar geometry to one Co(4), one Co(5), and one Si(2) atom. In the seventeenth O site, O(17) is bonded in a trigonal non-coplanar geometry to one Li(1), one Co(4), and one Si(5) atom. In the eighteenth O site, O(18) is bonded in a trigonal non-coplanar geometry to one Li(2), one Co(5), and one Si(1) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one Co(4), one Co(7), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a trigonal planar geometry to one Co(6), one Co(7), and one Si(2) atom. In the twenty-first O site, O(21) is bonded in a trigonal non-coplanar geometry to one Li(3), one Co(8), and one Si(6) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Si(6) atom. In the twenty-third O site, O(23) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Si(6) atom. In the twenty-fourth O site, O(24) is bonded in a trigonal planar geometry to one Co(5), one Co(6), and one Si(3) atom.