CdC12H10(N4O)2 crystallizes in the tetragonal I4_1/a space group. Cd(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent N(2), and two equivalent O(1) atoms. Both Cd(1)-N(1) bond lengths are 2.36 Å. Both Cd(1)-N(2) bond lengths are 2.31 Å. Both Cd(1)-O(1) bond lengths are 2.34 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.31 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(3) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-C(5) bond length is 1.51 Å. The C(2)-N(3) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(2) atom. The C(3)-H(2) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(4) and one O(1) atom. The C(4)-N(4) bond length is 1.39 Å. The C(4)-O(1) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a trigonal non-coplanar geometry to one C(2) and three equivalent H(3,4,5) atoms. All C(5)-H(3,4,5) bond lengths are 0.96 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(4) atom. The C(6)-N(2) bond length is 1.36 Å. The C(6)-N(3) bond length is 1.32 Å. The C(6)-N(4) bond length is 1.37 Å. There are four inequivalent N sites. In the first N site, N(2) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(6) atom. In the second N site, N(3) is bonded in a bent 120 degrees geometry to one C(2) and one C(6) atom. In the third N site, N(4) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(1) atom. The N(4)-N(1) bond length is 1.37 Å. In the fourth N site, N(1) is bonded in a 3-coordinate geometry to one Cd(1), one C(1), and one N(4) atom. 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(3) atom. In the third H site, H(3,4,5) is bonded in a single-bond geometry to one C(5) atom. O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(4) atom. Linkers: 13 CC1=Nc2ncnn2C(=O)[CH]1 ,2 Cc1cc(=O)n2c(n1)[N]C=N2 ,1 Cc1cc(=O)n2c(n1)N=C[N]2. Metal clusters: 8 [Cd]. The MOF has largest included sphere 4.47 A, density 1.57 g/cm3, surface area 3962.07 m2/g, accessible volume 0.30 cm3/g