CuH13(C4O)5 crystallizes in the orthorhombic Cccm space group. Cu(1) is bonded in a distorted square pyramidal geometry to one O(3), two equivalent O(1), and two equivalent O(2) atoms. The Cu(1)-O(3) bond length is 2.32 Å. Both Cu(1)-O(1) bond lengths are 1.98 Å. Both Cu(1)-O(2) bond lengths are 2.00 Å. There are eleven inequivalent C sites. In the first C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(8) atom. The C(4)-C(1) bond length is 1.49 Å. The C(4)-C(10) bond length is 1.40 Å. The C(4)-C(8) bond length is 1.40 Å. In the second C site, C(5) is bonded in a distorted single-bond geometry to one C(3), one C(8), and one H(1) atom. The C(5)-C(3) bond length is 1.41 Å. The C(5)-C(8) bond length is 1.39 Å. The C(5)-H(1) bond length is 1.09 Å. In the third C site, C(6) is bonded in a single-bond geometry to one C(2), one C(9), and one H(2) atom. The C(6)-C(2) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. The C(6)-H(2) bond length is 1.09 Å. In the fourth C site, C(7) is bonded in a distorted single-bond geometry to one C(10), one C(3), and one H(3) atom. The C(7)-C(10) bond length is 1.39 Å. The C(7)-C(3) bond length is 1.41 Å. The C(7)-H(3) bond length is 1.09 Å. In the fifth C site, C(8) is bonded in a distorted single-bond geometry to one C(4), one C(5), and one H(4) atom. The C(8)-H(4) bond length is 1.09 Å. In the sixth C site, C(9) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(6) atom. The C(9)-C(11) bond length is 1.40 Å. The C(9)-C(3) bond length is 1.48 Å. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(4), one C(7), and one H(5) atom. The C(10)-H(5) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a single-bond geometry to two equivalent C(9) and one H(6) atom. The C(11)-H(6) bond length is 1.09 Å. In the ninth C site, C(1) is bonded in a bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.28 Å. In the tenth C site, C(2) is bonded in a trigonal planar geometry to one C(2) and two equivalent C(6) atoms. The C(2)-C(2) bond length is 1.48 Å. In the eleventh C site, C(3) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(9) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(3) atom. The H(7)-O(3) bond length is 0.97 Å. There are three 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(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Cu(1) and two equivalent H(7) atoms. Linkers: 2 [O]C(=O)c1ccc(-c2cc(-c3ccc(C([O])=O)cc3)cc(-c3cc(-c4ccc(C([O])=O)cc4)cc(-c4ccc(C([O])=O)cc4)c3)c2)cc1. Metal clusters: 2 O.O.[C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: pts. The MOF has largest included sphere 8.88 A, density 0.48 g/cm3, surface area 4749.03 m2/g, accessible volume 1.73 cm3/g