CuC24H16(N2O3)2 crystallizes in the trigonal R-3 space group. The structure consists of a CuC24H16(N2O3)2 framework. Cu(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent O(1) atoms. Both Cu(1)-N(1) bond lengths are 2.01 Å. Both Cu(1)-O(1) bond lengths are 1.94 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(3) atoms. There is one shorter (1.39 Å) and one longer (1.40 Å) C(2)-C(3) bond length. In the third C site, C(3) is bonded in a distorted single-bond geometry to two equivalent C(2) and one H(2) atom. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(8), and one H(3) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(8) bond length is 1.40 Å. The C(4)-H(3) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(1), and one H(4) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(6)-N(1) bond length is 1.35 Å. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(8) and one H(6) atom. The C(7)-C(8) bond length is 1.40 Å. The C(7)-H(6) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(4), one C(7), and one C(9) atom. The C(8)-C(9) bond length is 1.51 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(8), one N(2), and one O(3) atom. The C(9)-N(2) bond length is 1.37 Å. The C(9)-O(3) bond length is 1.24 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(12), and one N(2) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(12) bond length is 1.41 Å. The C(10)-N(2) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one C(12), and one H(7) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-H(7) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(11), and one H(8) atom. The C(12)-H(8) bond length is 1.09 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(5), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(10), one C(9), and one H(1) atom. The N(2)-H(1) bond length is 1.03 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(9) atom. Linkers: 3 O=C(Nc1ccc(NC(=O)c2ccncc2)cc1)c1ccncc1 ,2 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 3 O=[C]O[Cu]O[C]=O. The MOF has largest included sphere 6.75 A, density 1.30 g/cm3, surface area 4647.46 m2/g, accessible volume 0.31 cm3/g