CdC10H8S2(NO)4 crystallizes in the monoclinic C2/c space group. Cd(1) is bonded to two equivalent N(1) and four equivalent O(2) atoms to form distorted CdN2O4 pentagonal pyramids that share corners with two equivalent S(2)O4 tetrahedra, edges with two equivalent Cd(1)N2O4 pentagonal pyramids, and  an edgeedge with one S(2)O4 tetrahedra. Both Cd(1)-N(1) bond lengths are 2.21 Å. There are two shorter (2.42 Å) and two longer (2.45 Å) Cd(1)-O(2) bond lengths. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(1), one C(2), and one H(2) atom. The C(1)-C(1) bond length is 1.41 Å. The C(1)-C(2) bond length is 1.38 Å. The C(1)-H(2) bond length is 1.09 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one S(1) atom. The C(2)-C(3) bond length is 1.45 Å. The C(2)-S(1) bond length is 1.73 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one N(2) atom. The C(3)-C(5) bond length is 1.38 Å. The C(3)-N(2) bond length is 1.39 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(3) atom. The C(4)-N(1) bond length is 1.34 Å. The C(4)-N(2) bond length is 1.35 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(3), one N(1), and one H(4) atom. The C(5)-N(1) bond length is 1.38 Å. The C(5)-H(4) bond length is 1.08 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(4), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(3), one C(4), and one H(1) atom. The N(2)-H(1) bond length is 1.05 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one N(2) and one O(1) atom. The H(1)-O(1) bond length is 1.67 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) 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. There are two inequivalent S sites. In the first S site, S(1) is bonded in an L-shaped geometry to two equivalent C(2) atoms. In the second S site, S(2) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form SO4 tetrahedra that share corners with two equivalent Cd(1)N2O4 pentagonal pyramids and  an edgeedge with one Cd(1)N2O4 pentagonal pyramid. Both S(2)-O(1) bond lengths are 1.48 Å. Both S(2)-O(2) bond lengths are 1.51 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one H(1) and one S(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one S(2) atom. Linkers: 2 [O]S([O])(=O)=O. Metal clusters: 2 [Cd]. The MOF has largest included sphere 2.31 A, density 2.18 g/cm3, surface area 3258.16 m2/g, accessible volume 0.08 cm3/g