Li2Cr3(CO3)6 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in an octahedral geometry to one O(1), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the second Cr site, Cr(2) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(7) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(5) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cr(2) and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cr(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Cr(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(3) atom.
Li2Cr3(CO3)6 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. The Li(1)-O(1) bond length is 2.48 Å. The Li(1)-O(3) bond length is 2.10 Å. The Li(1)-O(5) bond length is 2.45 Å. The Li(1)-O(7) bond length is 2.09 Å. The Li(1)-O(8) bond length is 2.10 Å. The Li(1)-O(9) bond length is 2.54 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in an octahedral geometry to one O(1), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. The Cr(1)-O(1) bond length is 2.03 Å. The Cr(1)-O(3) bond length is 2.03 Å. The Cr(1)-O(5) bond length is 2.03 Å. The Cr(1)-O(6) bond length is 1.97 Å. The Cr(1)-O(8) bond length is 2.02 Å. The Cr(1)-O(9) bond length is 2.02 Å. In the second Cr site, Cr(2) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. Both Cr(2)-O(2) bond lengths are 2.00 Å. Both Cr(2)-O(4) bond lengths are 1.99 Å. Both Cr(2)-O(7) bond lengths are 2.05 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(7) atom. The C(1)-O(2) bond length is 1.28 Å. The C(1)-O(3) bond length is 1.31 Å. The C(1)-O(7) bond length is 1.30 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(5) atom. The C(2)-O(1) bond length is 1.30 Å. The C(2)-O(4) bond length is 1.28 Å. The C(2)-O(5) bond length is 1.30 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. The C(3)-O(6) bond length is 1.28 Å. The C(3)-O(8) bond length is 1.31 Å. The C(3)-O(9) bond length is 1.29 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cr(2) and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cr(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Cr(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(3) atom.