CdC12H10(NO)6 crystallizes in the monoclinic C2/c space group. Cd(1) is bonded in an octahedral geometry to two equivalent N(3), two equivalent O(1), and two equivalent O(3) atoms. Both Cd(1)-N(3) bond lengths are 2.32 Å. Both Cd(1)-O(1) bond lengths are 2.44 Å. Both Cd(1)-O(3) bond lengths are 2.33 Å. There are six inequivalent C sites. In the first C site, C(6) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(5) atom. The C(6)-N(2) bond length is 1.32 Å. The C(6)-N(3) bond length is 1.37 Å. The C(6)-H(5) bond length is 1.08 Å. In the second C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(3) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.42 Å. In the third C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.51 Å. In the fourth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(2), and one H(3) atom. The C(3)-H(3) bond length is 1.09 Å. In the fifth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(4)-O(1) bond length is 1.29 Å. The C(4)-O(2) bond length is 1.26 Å. In the sixth C site, C(5) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(4) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-N(3) bond length is 1.33 Å. The C(5)-H(4) bond length is 1.09 Å. There are three inequivalent N sites. In the first N site, N(2) is bonded in a distorted water-like geometry to one C(6) and one N(1) atom. The N(2)-N(1) bond length is 1.37 Å. In the second N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(5), and one C(6) atom. In the third N site, N(1) is bonded in a distorted bent 120 degrees geometry to one C(1), one C(5), and one N(2) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) and one O(3) atom. The H(1)-O(1) bond length is 1.71 Å. The H(1)-O(3) bond length is 1.00 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(2) and one O(3) atom. The H(2)-O(2) bond length is 1.63 Å. The H(2)-O(3) bond length is 1.01 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) 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. There are three inequivalent O sites. In the first O site, O(2) is bonded in a water-like geometry to one C(4) and one H(2) atom. In the second O site, O(3) is bonded in a water-like geometry to one Cd(1), one H(1), and one H(2) atom. In the third O site, O(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(4), and one H(1) atom. Linkers: 1 [O]C(=O)c1cc(-n2cncn2)c(C([O])=O)cc1-n1cncn1 ,1 [O]C(=O)c1cc(-n2cncn2)c(C([O])=O)cc1N1[CH]N=C[N]1. Metal clusters: 2 O.O.O=[C]O[Cd]O[C]=O. The MOF has largest included sphere 1.97 A, density 2.02 g/cm3, surface area 3616.28 m2/g, accessible volume 0.06 cm3/g