CdC12NH11SO7 crystallizes in the monoclinic P2_1/c space group. Cd(1) is bonded in a 6-coordinate geometry to one N(1), one O(1), one O(2), one O(5), one O(6), and one O(7) atom. The Cd(1)-N(1) bond length is 2.26 Å. The Cd(1)-O(1) bond length is 2.33 Å. The Cd(1)-O(2) bond length is 2.62 Å. The Cd(1)-O(5) bond length is 2.26 Å. The Cd(1)-O(6) bond length is 2.42 Å. The Cd(1)-O(7) bond length is 2.26 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(5) 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(5) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(6) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(6) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-C(6) bond length is 1.45 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(7) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(7) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(8) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(8) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(3) and one H(9) atom. The C(6)-H(9) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(7), and one C(8) atom. The C(7)-C(11) bond length is 1.41 Å. The C(7)-C(7) bond length is 1.44 Å. The C(7)-C(8) bond length is 1.43 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(7), one C(9), and one S(1) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-S(1) bond length is 1.78 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(10) atom. The C(9)-C(10) bond length is 1.41 Å. The C(9)-H(10) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-C(12) bond length is 1.49 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(7), and one H(11) atom. The C(11)-H(11) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(1), and one O(2) atom. The C(12)-O(1) bond length is 1.28 Å. The C(12)-O(2) bond length is 1.27 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(5) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(6) atom. The H(1)-O(6) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.99 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(7) atom. The H(3)-O(7) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(3) and one O(7) atom. The H(4)-O(3) bond length is 1.69 Å. The H(4)-O(7) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(4) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(6) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(9) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(11) atom. S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(8), one O(3), one O(4), and one O(5) atom. The S(1)-O(3) bond length is 1.47 Å. The S(1)-O(4) bond length is 1.47 Å. The S(1)-O(5) bond length is 1.48 Å. There are seven inequivalent O sites. In the first O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Cd(1), one H(3), and one H(4) atom. In the second O site, O(1) is bonded in a distorted water-like geometry to one Cd(1) and one C(12) atom. In the third O site, O(2) is bonded in a 1-coordinate geometry to one Cd(1) and one C(12) atom. In the fourth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one H(4) and one S(1) atom. In the fifth O site, O(4) is bonded in a single-bond geometry to one S(1) atom. In the sixth O site, O(5) is bonded in a bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the seventh O site, O(6) is bonded in a water-like geometry to one Cd(1), one H(1), and one H(2) atom. Linkers: 2 C(=C/c1ccncc1)\c1ccncc1 ,2 [O]C(=O)c1cc(S([O])([O])[O])c2cc(C([O])=O)cc(S([O])([O])[O])c2c1. Metal clusters: 2 O.O.[O][S@](=O)O[Cd]O[C]=O ,2 O.O.[O][S@@](=O)O[Cd]O[C]=O. The MOF has largest included sphere 2.05 A, density 2.05 g/cm3, surface area 3567.78 m2/g, accessible volume 0.10 cm3/g