Li2Fe(CO3)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(2) atoms. Fe(1) is bonded in an octahedral geometry to two equivalent O(1) and four equivalent O(2) atoms. C(1) is bonded in a trigonal planar geometry to one O(1) and two equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Fe(1), and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one C(1) atom.
Li2Fe(CO3)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Li(1)-O(1) bond lengths are 2.02 Å. Both Li(1)-O(2) bond lengths are 2.05 Å. Fe(1) is bonded in an octahedral geometry to two equivalent O(1) and four equivalent O(2) atoms. Both Fe(1)-O(1) bond lengths are 2.14 Å. All Fe(1)-O(2) bond lengths are 2.15 Å. C(1) is bonded in a trigonal planar geometry to one O(1) and two equivalent O(2) atoms. The C(1)-O(1) bond length is 1.31 Å. Both C(1)-O(2) bond lengths are 1.29 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Fe(1), and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one C(1) atom.