CdC6H4(N3O2)2 crystallizes in the cubic Im-3m space group. Cd(1) is bonded in a 4-coordinate geometry to two equivalent N(1) and two equivalent N(2) atoms. Both Cd(1)-N(1) bond lengths are 2.26 Å. Both Cd(1)-N(2) bond lengths are 2.24 Å. There are four inequivalent C sites. In the first C site, C(4) is bonded in a trigonal planar geometry to one N(4) and two equivalent N(2) atoms. The C(4)-N(4) bond length is 1.39 Å. Both C(4)-N(2) bond lengths are 1.35 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(2) atom. The C(2)-N(2) bond length is 1.34 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(1) atom. The C(1)-N(1) bond length is 1.28 Å. The C(1)-H(1) bond length is 0.93 Å. In the fourth C site, C(3) is bonded in a trigonal planar geometry to one N(3) and two equivalent N(1) atoms. The C(3)-N(3) bond length is 1.39 Å. Both C(3)-N(1) bond lengths are 1.37 Å. There are four inequivalent N sites. In the first N site, N(4) is bonded in a trigonal planar geometry to one C(4) and two equivalent O(2) atoms. Both N(4)-O(2) bond lengths are 1.23 Å. In the second N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(3) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one C(2), and one C(4) atom. In the fourth N site, N(3) is bonded in a trigonal planar geometry to one C(3) and two equivalent O(1) atoms. Both N(3)-O(1) bond lengths are 1.21 Å. There are two 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. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one N(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one N(4) atom. Linkers: 24 O=[N+]([O-])C1=NC=C[N]1 ,24 O=[N+]([O-])C1=N[CH]C=N1. Metal clusters: 24 [Cd]. The MOF has largest included sphere 20.69 A, density 0.95 g/cm3, surface area 3548.84 m2/g, accessible volume 0.71 cm3/g