CdC12N2H10S2O3 crystallizes in the orthorhombic Pban space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to two equivalent N(1) and two equivalent S(1) atoms to form distorted corner-sharing CdS2N2 tetrahedra. Both Cd(1)-N(1) bond lengths are 2.28 Å. Both Cd(1)-S(1) bond lengths are 2.53 Å. In the second Cd site, Cd(2) is bonded to two equivalent N(2) and two equivalent S(1) atoms to form distorted corner-sharing CdS2N2 trigonal pyramids. Both Cd(2)-N(2) bond lengths are 2.27 Å. Both Cd(2)-S(1) bond lengths are 2.60 Å. There are twelve inequivalent C sites. In the first C site, C(6) is bonded in a distorted trigonal planar geometry to one C(7), one N(2), and one H(5) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-N(2) bond length is 1.35 Å. The C(6)-H(5) bond length is 1.09 Å. In the second C site, C(7) is bonded in a distorted single-bond geometry to one C(6), one C(8), and one H(6) atom. The C(7)-C(8) bond length is 1.41 Å. The C(7)-H(6) bond length is 1.09 Å. In the third C site, C(8) is bonded in a trigonal planar geometry to one C(12), one C(7), and one C(9) atom. The C(8)-C(12) bond length is 1.46 Å. The C(8)-C(9) bond length is 1.41 Å. In the fourth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(7) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-H(7) bond length is 1.09 Å. In the fifth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(2), and one H(8) atom. The C(10)-N(2) bond length is 1.35 Å. The C(10)-H(8) bond length is 1.09 Å. In the sixth C site, C(11) is bonded in a distorted single-bond geometry to one C(12), one C(3), and one H(9) atom. The C(11)-C(12) bond length is 1.35 Å. The C(11)-C(3) bond length is 1.45 Å. The C(11)-H(9) bond length is 1.09 Å. In the seventh C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(8), and one H(10) atom. The C(12)-H(10) bond length is 1.09 Å. In the eighth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the ninth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(2) bond length is 1.09 Å. In the tenth C site, C(3) is bonded in a trigonal planar geometry to one C(11), one C(2), and one C(4) atom. The C(3)-C(4) bond length is 1.41 Å. In the eleventh C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(3) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(3) bond length is 1.09 Å. In the twelfth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(4) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(4) bond length is 1.09 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(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(2), one C(10), and one C(6) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) 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. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(2), and one S(2) atom. The S(1)-S(2) bond length is 2.15 Å. In the second S site, S(2) is bonded in a trigonal non-coplanar geometry to one S(1), one O(1), one O(2), and one O(3) atom. The S(2)-O(1) bond length is 1.46 Å. The S(2)-O(2) bond length is 1.47 Å. The S(2)-O(3) bond length is 1.48 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one S(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to one S(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one S(2) atom. Linkers: 8 C(=C/c1ccncc1)\c1ccncc1. Metal clusters: 2 [O]S([O])([O])[S@]1[Cd][S@@](S([O])([O])[O])[Cd][S@](S([O])([O])[O])[Cd][S@](S([O])([O])[O])[Cd]1. The MOF has largest included sphere 4.63 A, density 1.71 g/cm3, surface area 3767.45 m2/g, accessible volume 0.21 cm3/g