CuC8H6(NO2)2 crystallizes in the monoclinic P2_1/c space group. Cu(1) is bonded in a distorted octahedral geometry to two equivalent N(1), two equivalent O(1), and two equivalent O(2) atoms. Both Cu(1)-N(1) bond lengths are 2.12 Å. Both Cu(1)-O(1) bond lengths are 1.93 Å. Both Cu(1)-O(2) bond lengths are 2.42 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2) and one N(1) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-N(1) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(4), and one N(1) atom. The C(2)-C(4) bond length is 1.49 Å. The C(2)-N(1) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(3)-O(1) bond length is 1.29 Å. The C(3)-O(2) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(2), one H(1), one H(2), and one H(3) atom. The C(4)-H(1) bond length is 1.09 Å. The C(4)-H(2) bond length is 1.10 Å. The C(4)-H(3) bond length is 1.10 Å. N(1) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(1), and one C(2) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. There are two 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(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cu(1) and one C(3) atom. Linkers: 2 Cc1nc(C([O])=O)c(C)nc1C([O])=O. Metal clusters: 2 [Cu]. The MOF has largest included sphere 2.04 A, density 2.03 g/cm3, surface area 3436.31 m2/g, accessible volume 0.06 cm3/g