Cd3C20H22S2(NO10)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a distorted pentagonal bipyramidal geometry to one N(1), one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. The Cd(1)-N(1) bond length is 2.30 Å. The Cd(1)-O(1) bond length is 2.72 Å. The Cd(1)-O(2) bond length is 2.28 Å. The Cd(1)-O(3) bond length is 2.57 Å. The Cd(1)-O(4) bond length is 2.34 Å. The Cd(1)-O(5) bond length is 2.38 Å. The Cd(1)-O(8) bond length is 2.36 Å. In the second Cd site, Cd(2) is bonded in an octahedral geometry to two equivalent O(10), two equivalent O(6), and two equivalent O(9) atoms. Both Cd(2)-O(10) bond lengths are 2.34 Å. Both Cd(2)-O(6) bond lengths are 2.25 Å. Both Cd(2)-O(9) bond lengths are 2.36 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.49 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) 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(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.49 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(2) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one S(1) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-S(1) bond length is 1.78 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.26 Å. The C(7)-O(2) bond length is 1.29 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one N(1), and one H(4) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-N(1) bond length is 1.34 Å. The C(9)-H(4) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(1), and one H(5) atom. The C(10)-N(1) bond length is 1.34 Å. The C(10)-H(5) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(10), and one C(9) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(2) and one O(8) atom. The H(6)-O(2) bond length is 1.67 Å. The H(6)-O(8) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(8) atom. The H(7)-O(8) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(9) atom. The H(8)-O(9) bond length is 0.97 Å. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(3) and one O(9) atom. The H(9)-O(3) bond length is 1.66 Å. The H(9)-O(9) bond length is 1.00 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(10) atom. The H(10)-O(10) bond length is 0.98 Å. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(1) and one O(10) atom. The H(11)-O(1) bond length is 1.66 Å. The H(11)-O(10) bond length is 1.00 Å. S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(5), one O(5), one O(6), and one O(7) atom. The S(1)-O(5) bond length is 1.48 Å. The S(1)-O(6) bond length is 1.48 Å. The S(1)-O(7) bond length is 1.46 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Cd(1), one C(7), and one H(11) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cd(1), one C(7), and one H(6) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cd(1), one C(8), and one H(9) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Cd(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one S(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cd(2) and one S(1) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one S(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Cd(1), one H(6), and one H(7) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Cd(2), one H(8), and one H(9) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Cd(2), one H(10), and one H(11) atom. Linkers: 1 c1cnccn1 ,2 [O]C(=O)c1cc(C([O])=O)cc(S([O])([O])[O])c1. Metal clusters: 1 O.O.O.O.O.O.O=[C]O[Cd](O[C]=O)O[S@](=O)O[Cd]O[S@](=O)O[Cd](O[C]=O)O[C]=O. RCSR code: kgd. The MOF has largest included sphere 3.09 A, density 2.14 g/cm3, surface area 3483.31 m2/g, accessible volume 0.12 cm3/g