CdC2N3HS crystallizes in the monoclinic C2/c space group. Cd(1) is bonded in a 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 2.23 Å. The Cd(1)-N(2) bond length is 2.25 Å. The Cd(1)-N(3) bond length is 2.20 Å. The Cd(1)-S(1) bond length is 2.50 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one N(1), one N(3), and one S(1) atom. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(3) bond length is 1.36 Å. The C(1)-S(1) bond length is 1.74 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(1) atom. The C(2)-N(2) bond length is 1.32 Å. The C(2)-N(3) bond length is 1.35 Å. The C(2)-H(1) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1), one C(1), and one N(2) atom. The N(1)-N(2) bond length is 1.38 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cd(1), one C(2), and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. H(1) is bonded in a single-bond geometry to one C(2) atom. S(1) is bonded in a water-like geometry to one Cd(1) and one C(1) atom. Linkers: 5 S=C1[N]C=N[N]1 ,1 S=C1N=CN=N1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 3.96 A, density 2.33 g/cm3, surface area 2538.31 m2/g, accessible volume 0.16 cm3/g