CuC15H9O4 crystallizes in the trigonal R-3m space group. Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Cu(1)-O(1) bond lengths are 1.95 Å. Both Cu(1)-O(2) bond lengths are 1.96 Å. There are nine inequivalent C sites. In the first C site, C(6) is bonded in a 4-coordinate geometry to one C(2), one C(5), one C(6), and one C(9) atom. The C(6)-C(2) bond length is 1.39 Å. The C(6)-C(5) bond length is 1.54 Å. The C(6)-C(6) bond length is 1.31 Å. The C(6)-C(9) bond length is 1.41 Å. In the second C site, C(1) is bonded in a bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(1)-C(3) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(2) bond length is 1.26 Å. In the third C site, C(2) is bonded in a 3-coordinate geometry to one C(2), one C(6), and one C(9) atom. The C(2)-C(2) bond length is 1.24 Å. The C(2)-C(9) bond length is 1.35 Å. In the fourth C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(7) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a trigonal non-coplanar geometry to one C(6); one H(4); and two equivalent H(2,3) atoms. The C(5)-H(4) bond length is 0.96 Å. Both C(5)-H(2,3) bond lengths are 0.96 Å. In the sixth C site, C(4) is bonded in a single-bond geometry to one C(3), one C(8), and one H(1) atom. The C(4)-C(8) bond length is 1.39 Å. The C(4)-H(1) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to two equivalent C(3) and one H(5) atom. The C(7)-H(5) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(9) and two equivalent C(4) atoms. The C(8)-C(9) bond length is 1.50 Å. In the ninth C site, C(9) is bonded in a 5-coordinate geometry to one C(8), two equivalent C(2), and two equivalent C(6) atoms. There are four inequivalent H sites. In the first H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(2,3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(1) atom. Linkers: 5 C[C@]12[C]3[C]4[C@@]1(C)[C@@]21[C]2[C]1[C@]1(C)[C@@]2(C)[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,2 C[C@]12[C]3[C]4[C@@]1(C)[C@]21[C]2[C]1[C@]1(C)[C@@]2(C)[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,2 C[C@]12[C]3[C]4[C@@]1(C)[C@]21[C]2[C]1[C@]1(C)[C@@]2(C)[C@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1. Metal clusters: 9 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: nbo. The MOF has largest included sphere 11.37 A, density 0.82 g/cm3, surface area 3766.21 m2/g, accessible volume 0.93 cm3/g