Li4Co(SiO3)3 is Chalcostibite-derived structured and crystallizes in the monoclinic C2 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(5), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(5), one O(6), and one O(7) atom. In the third Li site, Li(3) is bonded in a single-bond geometry to one O(9) atom. In the fourth Li site, Li(4) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted LiO4 tetrahedra that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(2)O4 tetrahedra. In the fifth Li site, Li(5) is bonded to one O(10), two equivalent O(5), and two equivalent O(8) atoms to form LiO5 trigonal bipyramids that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(3)O4 tetrahedra. In the sixth Li site, Li(6) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(3) atoms. Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(8) atom. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Li(5)O5 trigonal bipyramid. In the second Si site, Si(2) is bonded to one O(2), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Li(4)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(10), one O(3), one O(5), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and corners with two equivalent Li(5)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Co(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(4), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded to one Li(1), one Li(6), one Co(1), and one Si(3) atom to form distorted corner-sharing OLi2CoSi tetrahedra. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(4), one Co(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Li(5), and one Si(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Co(1), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded to one Li(1), one Li(5), one Co(1), and one Si(1) atom to form distorted corner-sharing OLi2CoSi tetrahedra. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(3) and two equivalent Si(2) atoms. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(5), two equivalent Li(2), and two equivalent Si(3) atoms.
Li4Co(SiO3)3 is Chalcostibite-derived structured and crystallizes in the monoclinic C2 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(5), one O(6), and one O(8) atom. The Li(1)-O(3) bond length is 1.98 Å. The Li(1)-O(5) bond length is 2.01 Å. The Li(1)-O(6) bond length is 2.09 Å. The Li(1)-O(8) bond length is 2.09 Å. In the second Li site, Li(2) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(5), one O(6), and one O(7) atom. The Li(2)-O(1) bond length is 2.02 Å. The Li(2)-O(10) bond length is 2.42 Å. The Li(2)-O(5) bond length is 2.06 Å. The Li(2)-O(6) bond length is 1.97 Å. The Li(2)-O(7) bond length is 2.06 Å. In the third Li site, Li(3) is bonded in a single-bond geometry to one O(9) atom. The Li(3)-O(9) bond length is 2.04 Å. In the fourth Li site, Li(4) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form distorted LiO4 tetrahedra that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(2)O4 tetrahedra. Both Li(4)-O(2) bond lengths are 2.10 Å. Both Li(4)-O(4) bond lengths are 1.95 Å. In the fifth Li site, Li(5) is bonded to one O(10), two equivalent O(5), and two equivalent O(8) atoms to form LiO5 trigonal bipyramids that share corners with two equivalent Si(1)O4 tetrahedra and corners with four equivalent Si(3)O4 tetrahedra. The Li(5)-O(10) bond length is 2.41 Å. Both Li(5)-O(5) bond lengths are 2.03 Å. Both Li(5)-O(8) bond lengths are 2.23 Å. In the sixth Li site, Li(6) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(3) atoms. Both Li(6)-O(1) bond lengths are 2.48 Å. Both Li(6)-O(3) bond lengths are 1.93 Å. Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(6), and one O(8) atom. The Co(1)-O(1) bond length is 1.95 Å. The Co(1)-O(3) bond length is 2.30 Å. The Co(1)-O(4) bond length is 2.03 Å. The Co(1)-O(6) bond length is 2.21 Å. The Co(1)-O(8) bond length is 2.01 Å. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Li(5)O5 trigonal bipyramid. The Si(1)-O(1) bond length is 1.59 Å. The Si(1)-O(2) bond length is 1.68 Å. The Si(1)-O(7) bond length is 1.67 Å. The Si(1)-O(8) bond length is 1.63 Å. In the second Si site, Si(2) is bonded to one O(2), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Li(4)O4 tetrahedra. The Si(2)-O(2) bond length is 1.69 Å. The Si(2)-O(4) bond length is 1.61 Å. The Si(2)-O(6) bond length is 1.62 Å. The Si(2)-O(9) bond length is 1.70 Å. In the third Si site, Si(3) is bonded to one O(10), one O(3), one O(5), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and corners with two equivalent Li(5)O5 trigonal bipyramids. The Si(3)-O(10) bond length is 1.69 Å. The Si(3)-O(3) bond length is 1.61 Å. The Si(3)-O(5) bond length is 1.62 Å. The Si(3)-O(7) bond length is 1.69 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(2), one Li(6), one Co(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(4), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded to one Li(1), one Li(6), one Co(1), and one Si(3) atom to form distorted corner-sharing OLi2CoSi tetrahedra. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(4), one Co(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Li(5), and one Si(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one Co(1), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Li(2), one Si(1), and one Si(3) atom. In the eighth O site, O(8) is bonded to one Li(1), one Li(5), one Co(1), and one Si(1) atom to form distorted corner-sharing OLi2CoSi tetrahedra. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Li(3) and two equivalent Si(2) atoms. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(5), two equivalent Li(2), and two equivalent Si(3) atoms.