CuC13H7(NO2)2 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 1.96 Å. Both Cu(1)-O(2) bond lengths are 1.96 Å. There are eight inequivalent C sites. In the first C site, C(6) is bonded in a trigonal planar geometry to one C(8) and two equivalent C(3) atoms. The C(6)-C(8) bond length is 1.49 Å. Both C(6)-C(3) bond lengths are 1.40 Å. In the second C site, C(7) is bonded in a distorted single-bond geometry to two equivalent C(4) and one H(4) atom. Both C(7)-C(4) bond lengths are 1.38 Å. The C(7)-H(4) bond length is 0.93 Å. In the third C site, C(8) is bonded in a 5-coordinate geometry to one C(6), two equivalent C(2), and two equivalent C(5) atoms. Both C(8)-C(2) bond lengths are 1.40 Å. Both C(8)-C(5) bond lengths are 1.36 Å. In the fourth 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)-C(4) 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 1.25 Å. In the fifth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5) and one C(8) atom. The C(2)-C(5) bond length is 1.42 Å. In the sixth C site, C(3) is bonded in a single-bond geometry to one C(4), one C(6), and one H(1) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-H(1) bond length is 0.93 Å. In the seventh C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. In the eighth C site, C(5) is bonded in a 1-coordinate geometry to one C(2), one C(8), and one N(1) atom. The C(5)-N(1) bond length is 1.51 Å. N(1) is bonded in a trigonal planar geometry to one C(5), one H(2), and one H(3) atom. The N(1)-H(2) bond length is 0.86 Å. The N(1)-H(3) bond length is 0.86 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) 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: 4 N[C@]12[C]3[C]4[C@@]1(N)[C@]21[C]2[C]1[C@]1(N)[C@@]2(N)[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,3 N[C@]12[C]3[C]4[C@@]1(N)[C@]21[C]2[C]1[C@]1(N)[C@@]2(N)[C@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,3 N[C@]12[C]3[C]4[C@@]1(N)[C@@]21[C]2[C]1[C@]1(N)[C@@]2(N)[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 11.34 A, density 0.82 g/cm3, surface area 3695.93 m2/g, accessible volume 0.91 cm3/g