Cd2C7H5(N6O)2 crystallizes in the tetragonal I-4c2 space group. Cd(1) is bonded in an octahedral geometry to one N(1), one N(2), one N(4), one N(5), one N(6), and one O(1) atom. The Cd(1)-N(1) bond length is 2.39 Å. The Cd(1)-N(2) bond length is 2.44 Å. The Cd(1)-N(4) bond length is 2.41 Å. The Cd(1)-N(5) bond length is 2.38 Å. The Cd(1)-N(6) bond length is 2.42 Å. The Cd(1)-O(1) bond length is 2.20 Å. There are five inequivalent C sites. In the first C site, C(2) is bonded in a trigonal planar geometry to two equivalent N(5) and one H(2) atom. Both C(2)-N(5) bond lengths are 1.33 Å. The C(2)-H(2) bond length is 1.08 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(4) and two equivalent O(1) atoms. The C(3)-C(4) bond length is 1.49 Å. Both C(3)-O(1) bond lengths are 1.27 Å. In the third C site, C(4) is bonded in a trigonal planar geometry to one C(3) and two equivalent C(5) atoms. Both C(4)-C(5) bond lengths are 1.40 Å. In the fourth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 1.09 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(4), and one H(1) atom. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(4) bond length is 1.34 Å. The C(1)-H(1) bond length is 1.08 Å. There are six inequivalent N sites. In the first N site, N(3) is bonded in a water-like geometry to one N(2) and one N(4) atom. The N(3)-N(2) bond length is 1.31 Å. The N(3)-N(4) bond length is 1.35 Å. In the second N site, N(4) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one N(3) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one N(1), and one N(3) atom. The N(2)-N(1) bond length is 1.35 Å. In the fourth N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one N(2) atom. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(2), and one N(6) atom. The N(5)-N(6) bond length is 1.34 Å. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cd(1), one N(5), and one N(6) atom. The N(6)-N(6) bond length is 1.31 Å. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. O(1) is bonded in a bent 150 degrees geometry to one Cd(1) and one C(3) atom. Linkers: 12 C1=NN=N[N]1 ,2 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 3.84 A, density 2.07 g/cm3, surface area 2991.29 m2/g, accessible volume 0.17 cm3/g