CuC20H12(NO2)2 is Indium-like structured and crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four CuC20H12(NO2)2 clusters. Cu(1) is bonded in a rectangular see-saw-like geometry to one N(1), one N(2), one O(2), and one O(4) atom. The Cu(1)-N(1) bond length is 2.02 Å. The Cu(1)-N(2) bond length is 2.02 Å. The Cu(1)-O(2) bond length is 1.96 Å. The Cu(1)-O(4) bond length is 1.96 Å. There are seventeen inequivalent C sites. In the first C site, C(1,10) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(1) atom. The C(1,10)-C(2) bond length is 1.41 Å. The C(1,10)-N(1) bond length is 1.33 Å. The C(1,10)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1,10); one C(3,8); and one H(2,7) atom. The C(2)-C(3,8) bond length is 1.38 Å. The C(2)-H(2,7) bond length is 1.09 Å. In the third C site, C(3,8) is bonded in a distorted trigonal planar geometry to one C(2); one C(4); and one H(3,6) atom. The C(3,8)-C(4) bond length is 1.41 Å. The C(3,8)-H(3,6) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12); one C(3,8); and one C(5,6) atom. The C(4)-C(12) bond length is 1.42 Å. The C(4)-C(5,6) bond length is 1.43 Å. In the fifth C site, C(5,6) is bonded in a distorted single-bond geometry to one C(4) and one H(4,5) atom. The C(5,6)-H(4,5) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a trigonal planar geometry to one C(11); one C(3,8); and one C(5,6) atom. The C(7)-C(11) bond length is 1.42 Å. The C(7)-C(3,8) bond length is 1.41 Å. The C(7)-C(5,6) bond length is 1.43 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(1,10); one C(3,8); and one H(2,7) atom. The C(9)-C(1,10) bond length is 1.41 Å. The C(9)-C(3,8) bond length is 1.38 Å. The C(9)-H(2,7) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a distorted single-bond geometry to one C(12), one C(7), and one N(2) atom. The C(11)-C(12) bond length is 1.43 Å. The C(11)-N(2) bond length is 1.36 Å. In the ninth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(4), and one N(1) atom. The C(12)-N(1) bond length is 1.36 Å. In the tenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(1), and one O(2) atom. The C(13)-C(14) bond length is 1.50 Å. The C(13)-O(1) bond length is 1.25 Å. The C(13)-O(2) bond length is 1.30 Å. In the eleventh C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(19) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(19) bond length is 1.40 Å. In the twelfth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(9,10,11,12) atom. The C(15)-H(9,10,11,12) bond length is 1.09 Å. In the thirteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(9,10,11,12) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(9,10,11,12) bond length is 1.09 Å. In the fourteenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(20) atom. The C(17)-C(18) bond length is 1.40 Å. The C(17)-C(20) bond length is 1.50 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(17) and one H(9,10,11,12) atom. The C(18)-H(9,10,11,12) bond length is 1.09 Å. In the sixteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(14) and one H(9,10,11,12) atom. The C(19)-H(9,10,11,12) bond length is 1.09 Å. In the seventeenth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(3), and one O(4) atom. The C(20)-O(3) bond length is 1.25 Å. The C(20)-O(4) bond length is 1.30 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1); one C(1,10); and one C(12) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1); one C(1,10); and one C(11) atom. The N(2)-C(1,10) bond length is 1.33 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1,10) atom. In the second H site, H(2,7) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3,6) is bonded in a single-bond geometry to one C(3,8) atom. In the fourth H site, H(4,5) is bonded in a single-bond geometry to one C(5,6) atom. In the fifth H site, H(8) is bonded in a single-bond geometry to one C(1,10) atom. The H(8)-C(1,10) bond length is 1.09 Å. In the sixth H site, H(9,10,11,12) is bonded in a single-bond geometry to one C(15) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(13) atom. In the second O site, O(2) is bonded in a water-like geometry to one Cu(1) and one C(13) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(20) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Cu(1) and one C(20) atom. Linkers: 2 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 2 O=[C]O[Cu]O[C]=O. The MOF has largest included sphere 1.95 A, density 1.71 g/cm3, surface area 4388.41 m2/g, accessible volume 0.08 cm3/g