LiCuC2O5 crystallizes in the monoclinic C2/c space group. Li(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to two equivalent O(4) and two equivalent O(5) atoms. 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(5) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one C(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Li(1), one Cu(1), and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cu(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(2), one C(1), and one C(2) atom.
LiCuC2O5 crystallizes in the monoclinic C2/c space group. Li(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Li(1)-O(1) bond length is 1.92 Å. The Li(1)-O(2) bond length is 1.89 Å. The Li(1)-O(3) bond length is 1.98 Å. The Li(1)-O(4) bond length is 1.97 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. Both Cu(1)-O(1) bond lengths are 2.25 Å. Both Cu(1)-O(2) bond lengths are 2.58 Å. Both Cu(1)-O(3) bond lengths are 2.18 Å. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to two equivalent O(4) and two equivalent O(5) atoms. Both Cu(2)-O(4) bond lengths are 2.09 Å. Both Cu(2)-O(5) bond lengths are 2.18 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(5) atom. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(5) bond length is 1.44 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. The C(2)-O(3) bond length is 1.25 Å. The C(2)-O(4) bond length is 1.26 Å. The C(2)-O(5) bond length is 1.43 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one C(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Li(1), one Cu(1), and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cu(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Cu(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(2), one C(1), and one C(2) atom.