Cd3C18H16S2(N3O7)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to two equivalent N(1), two equivalent O(3), and two equivalent O(7) atoms to form CdN2O4 octahedra that share corners with two equivalent Cd(2)NO6 pentagonal bipyramids and corners with two equivalent S(1)O4 tetrahedra. Both Cd(1)-N(1) bond lengths are 2.35 Å. Both Cd(1)-O(3) bond lengths are 2.35 Å. Both Cd(1)-O(7) bond lengths are 2.26 Å. In the second Cd site, Cd(2) is bonded to one N(2), one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted CdNO6 pentagonal bipyramids that share  a cornercorner with one Cd(1)N2O4 octahedra, corners with two equivalent S(1)O4 tetrahedra, and  an edgeedge with one S(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 61°. The Cd(2)-N(2) bond length is 2.33 Å. The Cd(2)-O(1) bond length is 2.61 Å. The Cd(2)-O(2) bond length is 2.35 Å. The Cd(2)-O(3) bond length is 2.45 Å. The Cd(2)-O(4) bond length is 2.41 Å. The Cd(2)-O(5) bond length is 2.39 Å. The Cd(2)-O(6) bond length is 2.33 Å. There are nine 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 1.31 Å. The C(1)-N(3) bond length is 1.37 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(2) atom. The C(2)-N(1) bond length is 1.32 Å. The C(2)-N(3) bond length is 1.37 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one N(3) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(8) bond length is 1.40 Å. The C(3)-N(3) bond length is 1.43 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(3) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(3) 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 C(9) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(9) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(4) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(5) atom. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(3) and one H(6) atom. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(5), one O(1), and one O(2) atom. The C(9)-O(1) bond length is 1.26 Å. The C(9)-O(2) bond length is 1.28 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(2), and one N(2) atom. The N(1)-N(2) bond length is 1.37 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cd(2), one C(1), and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(3) atom. There are eight 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(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(2) and one O(7) atom. The H(7)-O(2) bond length is 1.68 Å. The H(7)-O(7) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(4) and one O(7) atom. The H(8)-O(4) bond length is 1.73 Å. The H(8)-O(7) bond length is 0.99 Å. S(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form SO4 tetrahedra that share  a cornercorner with one Cd(1)N2O4 octahedra, corners with two equivalent Cd(2)NO6 pentagonal bipyramids, and  an edgeedge with one Cd(2)NO6 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 41°. The S(1)-O(3) bond length is 1.51 Å. The S(1)-O(4) bond length is 1.50 Å. The S(1)-O(5) bond length is 1.47 Å. The S(1)-O(6) bond length is 1.49 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cd(2) and one C(9) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cd(2), one C(9), and one H(7) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(2), and one S(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cd(2), one H(8), and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one S(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one S(1) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Cd(1), one H(7), and one H(8) atom. Linkers: 2 [O]C(=O)c1cccc(-n2cnnc2)c1. Metal clusters: 3 [Cd]. The MOF has largest included sphere 2.28 A, density 2.45 g/cm3, surface area 2893.18 m2/g, accessible volume 0.07 cm3/g