Li2Co(CO3)2 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Co(1)O6 octahedra and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. In the second Li site, Li(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(4) atom. Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted CoO6 octahedra that share corners with two equivalent Li(1)O4 trigonal pyramids and  an edgeedge with one Li(1)O4 trigonal pyramid. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Co(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(1), one Co(1), and one C(1) atom. In the third O site, O(3) is bonded in a distorted tetrahedral geometry to one Li(1), one Li(2), one Co(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Co(1), and one C(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one C(2) atom.
Li2Co(CO3)2 crystallizes in the monoclinic Pc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Co(1)O6 octahedra and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-80°. The Li(1)-O(2) bond length is 2.01 Å. The Li(1)-O(3) bond length is 2.07 Å. The Li(1)-O(5) bond length is 2.08 Å. The Li(1)-O(6) bond length is 1.97 Å. In the second Li site, Li(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(4) atom. The Li(2)-O(1) bond length is 1.93 Å. The Li(2)-O(3) bond length is 2.02 Å. The Li(2)-O(4) bond length is 1.97 Å. Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted CoO6 octahedra that share corners with two equivalent Li(1)O4 trigonal pyramids and  an edgeedge with one Li(1)O4 trigonal pyramid. The Co(1)-O(1) bond length is 2.15 Å. The Co(1)-O(2) bond length is 2.11 Å. The Co(1)-O(3) bond length is 2.18 Å. The Co(1)-O(4) bond length is 2.09 Å. The Co(1)-O(5) bond length is 2.13 Å. The Co(1)-O(6) bond length is 2.14 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(2) bond length is 1.30 Å. The C(1)-O(4) bond length is 1.29 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(5), and one O(6) atom. The C(2)-O(3) bond length is 1.31 Å. The C(2)-O(5) bond length is 1.30 Å. The C(2)-O(6) bond length is 1.30 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Co(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(1), one Co(1), and one C(1) atom. In the third O site, O(3) is bonded in a distorted tetrahedral geometry to one Li(1), one Li(2), one Co(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one Co(1), and one C(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Co(1), and one C(2) atom.