Cu(OOCC6H4COO) crystallizes in the monoclinic P2_1/m space group. The structure consists of six 02329_fluka molecules inside a CuC7H3O4 framework. In the CuC7H3O4 framework, there are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(5) atoms. Both Cu(1)-O(1) bond lengths are 1.95 Å. Both Cu(1)-O(5) bond lengths are 1.96 Å. In the second Cu site, Cu(2,3) is bonded in a square co-planar geometry to two equivalent O(2) and two equivalent O(6) atoms. Both Cu(2,3)-O(2) bond lengths are 1.95 Å. Both Cu(2,3)-O(6) bond lengths are 1.96 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(4) atom. The C(1)-C(4) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(4) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(2), and one O(5) atom. The C(2)-C(5) bond length is 1.49 Å. The C(2)-O(2) bond length is 1.28 Å. The C(2)-O(5) bond length is 1.28 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(3), and one O(6) atom. The C(3)-C(6) bond length is 1.49 Å. The C(3)-O(3) bond length is 1.28 Å. The C(3)-O(6) bond length is 1.28 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1); one C(13,15); and one C(7,9) atom. The C(4)-C(13,15) bond length is 1.40 Å. The C(4)-C(7,9) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(14), one C(2), and one C(8) atom. The C(5)-C(14) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(13,15); one C(3); and one C(7,9) atom. The C(6)-C(13,15) bond length is 1.40 Å. The C(6)-C(7,9) bond length is 1.40 Å. In the seventh C site, C(7,9) is bonded in a distorted single-bond geometry to one C(4) and one H(1,2,3) atom. The C(7,9)-H(1,2,3) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(5) and one H(1,2,3) atom. The C(8)-H(1,2,3) bond length is 1.09 Å. In the ninth C site, C(13,15) is bonded in a distorted single-bond geometry to two equivalent C(4) and one H(7,8,9) atom. The C(13,15)-H(7,8,9) bond length is 1.09 Å. In the tenth C site, C(14) is bonded in a distorted single-bond geometry to two equivalent C(5) and one H(7,8,9) atom. The C(14)-H(7,8,9) bond length is 1.09 Å. There are two inequivalent H sites. In the first H site, H(1,2,3) is bonded in a single-bond geometry to one C(7,9) atom. In the second H site, H(7,8,9) is bonded in a single-bond geometry to one C(13,15) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2,3) and one C(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(2,3) and one C(3) atom. The O(3)-Cu(2,3) bond length is 1.95 Å. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cu(2,3) and one C(1) atom. The O(4)-Cu(2,3) bond length is 1.96 Å. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Cu(2,3) and one C(3) atom. Linkers: 6 [O]C(=O)c1cccc(C([O])=O)c1. Metal clusters: 6 [Cu]. The MOF has largest included sphere 3.73 A, density 1.96 g/cm3, surface area 3294.22 m2/g, accessible volume 0.10 cm3/g