CdC2N3HS crystallizes in the monoclinic P2_1/c space group. Cd(1) is bonded in a distorted tetrahedral geometry to one N(1), one N(2), one N(3), and one S(1) atom. The Cd(1)-N(1) bond length is 2.29 Å. The Cd(1)-N(2) bond length is 2.26 Å. The Cd(1)-N(3) bond length is 2.26 Å. The Cd(1)-S(1) bond length is 2.56 Å. 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(1) atom. The C(1)-N(2) bond length is 1.35 Å. The C(1)-N(3) bond length is 1.33 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one N(1), one N(2), and one S(1) atom. The C(2)-N(1) bond length is 1.34 Å. The C(2)-N(2) bond length is 1.37 Å. The C(2)-S(1) bond length is 1.72 Å. There are three 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(3) atom. The N(1)-N(3) bond length is 1.38 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one N(1) atom. H(1) is bonded in a single-bond geometry to one C(1) atom. S(1) is bonded in a water-like geometry to one Cd(1) and one C(2) atom. Linkers: 1 S=C1[N]C=N[N]1 ,2 S=C1N=CN=N1. Metal clusters: 4 [Cd]. The MOF has largest included sphere 1.57 A, density 3.31 g/cm3, surface area 2016.69 m2/g, accessible volume 0.05 cm3/g