LiCu2(C2O5)2 crystallizes in the monoclinic Cc space group. Li(1) is bonded in a 4-coordinate geometry to one O(10), one O(4), one O(5), and one O(9) atom. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), and one O(9) atom. In the second Cu site, Cu(2) is bonded in a linear geometry to one O(4) and one O(8) atom. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(6), and one O(8) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(7) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(2), and one C(3) atom. In the second O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one C(3) atom. In the third O site, O(6) is bonded in a bent 120 degrees geometry to one C(1) and one C(2) atom. In the fourth O site, O(7) is bonded in a bent 120 degrees geometry to one C(3) and one C(4) atom. In the fifth O site, O(8) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(1) atom. In the sixth O site, O(9) is bonded in a 2-coordinate geometry to one Li(1), one Cu(1), and one C(4) atom. In the seventh O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(1), and one C(4) atom. In the eighth O site, O(1) is bonded in a distorted L-shaped geometry to one Cu(1) and one C(2) atom. In the ninth O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the tenth O site, O(3) is bonded in a distorted L-shaped geometry to one Cu(1) and one C(2) atom.
LiCu2(C2O5)2 crystallizes in the monoclinic Cc space group. Li(1) is bonded in a 4-coordinate geometry to one O(10), one O(4), one O(5), and one O(9) atom. The Li(1)-O(10) bond length is 1.96 Å. The Li(1)-O(4) bond length is 2.07 Å. The Li(1)-O(5) bond length is 2.09 Å. The Li(1)-O(9) bond length is 1.92 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), and one O(9) atom. The Cu(1)-O(1) bond length is 2.20 Å. The Cu(1)-O(10) bond length is 2.04 Å. The Cu(1)-O(2) bond length is 2.05 Å. The Cu(1)-O(3) bond length is 1.99 Å. The Cu(1)-O(5) bond length is 2.22 Å. The Cu(1)-O(9) bond length is 2.45 Å. In the second Cu site, Cu(2) is bonded in a linear geometry to one O(4) and one O(8) atom. The Cu(2)-O(4) bond length is 1.87 Å. The Cu(2)-O(8) bond length is 1.84 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(6), and one O(8) atom. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(6) bond length is 1.43 Å. The C(1)-O(8) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(6) atom. The C(2)-O(1) bond length is 1.26 Å. The C(2)-O(3) bond length is 1.28 Å. The C(2)-O(6) bond length is 1.37 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(7) atom. The C(3)-O(4) bond length is 1.28 Å. The C(3)-O(5) bond length is 1.24 Å. The C(3)-O(7) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(9) atom. The C(4)-O(10) bond length is 1.27 Å. The C(4)-O(7) bond length is 1.40 Å. The C(4)-O(9) bond length is 1.24 Å. There are ten inequivalent O sites. In the first O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(2), and one C(3) atom. In the second O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one C(3) atom. In the third O site, O(6) is bonded in a bent 120 degrees geometry to one C(1) and one C(2) atom. In the fourth O site, O(7) is bonded in a bent 120 degrees geometry to one C(3) and one C(4) atom. In the fifth O site, O(8) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(1) atom. In the sixth O site, O(9) is bonded in a 2-coordinate geometry to one Li(1), one Cu(1), and one C(4) atom. In the seventh O site, O(10) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(1), and one C(4) atom. In the eighth O site, O(1) is bonded in a distorted L-shaped geometry to one Cu(1) and one C(2) atom. In the ninth O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the tenth O site, O(3) is bonded in a distorted L-shaped geometry to one Cu(1) and one C(2) atom.