CdC2H4S(NO)4 crystallizes in the orthorhombic Pba2 space group. Cd(1) is bonded in a 6-coordinate geometry to one N(1), one N(3), one O(1), one O(2), and two equivalent O(4) atoms. The Cd(1)-N(1) bond length is 2.27 Å. The Cd(1)-N(3) bond length is 2.27 Å. The Cd(1)-O(1) bond length is 2.54 Å. The Cd(1)-O(2) bond length is 2.42 Å. There is one shorter (2.31 Å) and one longer (2.52 Å) Cd(1)-O(4) bond length. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(4) atom. The C(1)-N(2) bond length is 1.32 Å. The C(1)-N(3) bond length is 1.34 Å. The C(1)-H(4) bond length is 1.08 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one N(4) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-N(3) bond length is 1.38 Å. The C(2)-N(4) bond length is 1.34 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Cd(1), one C(2), and one N(2) atom. The N(1)-N(2) bond length is 1.37 Å. In the second N site, N(2) is bonded in a 2-coordinate geometry to one C(1), one N(1), and one H(1) atom. The N(2)-H(1) bond length is 1.04 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(2), one H(2), and one H(3) atom. The N(4)-H(2) bond length is 1.02 Å. The N(4)-H(3) bond length is 1.02 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(1) atom. S(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The S(1)-O(1) bond length is 1.49 Å. The S(1)-O(2) bond length is 1.49 Å. The S(1)-O(3) bond length is 1.49 Å. The S(1)-O(4) bond length is 1.51 Å. There are four inequivalent O sites. In the first O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one S(1) atom. In the second O site, O(1) is bonded in a distorted water-like geometry to one Cd(1) and one S(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the fourth O site, O(3) is bonded in a single-bond geometry to one S(1) atom. Linkers: 4 [O]S([O])(=O)=O. Metal clusters: 4 [Cd]. The MOF has largest included sphere 1.40 A, density 3.07 g/cm3, surface area 2288.33 m2/g, accessible volume 0.06 cm3/g