CuC18H18S(N3O2)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent N(2), two equivalent N(4), and two equivalent O(1) atoms to form CuN4O2 octahedra that share corners with two equivalent S(1)O4 tetrahedra. Both Cu(1)-N(2) bond lengths are 1.99 Å. Both Cu(1)-N(4) bond lengths are 2.06 Å. Both Cu(1)-O(1) bond lengths are 2.43 Å. In the second Cu site, Cu(2) is bonded in a square co-planar geometry to two equivalent N(6) and two equivalent O(3) atoms. Both Cu(2)-N(6) bond lengths are 1.99 Å. Both Cu(2)-O(3) bond lengths are 1.99 Å. There are eighteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(7) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.51 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(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(11), one C(2), and one C(4) atom. The C(3)-C(11) bond length is 1.51 Å. The C(3)-C(4) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(6), and one H(2) atom. The C(4)-C(6) bond length is 1.40 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(1), one C(6), and one H(3) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(15), one C(4), and one C(5) atom. The C(6)-C(15) bond length is 1.51 Å. In the seventh C site, C(7) is bonded in a distorted trigonal non-coplanar geometry to one C(1), one N(1), one H(4), and one H(5) atom. The C(7)-N(1) bond length is 1.47 Å. The C(7)-H(4) bond length is 1.10 Å. The C(7)-H(5) bond length is 1.10 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(6) atom. The C(8)-N(1) bond length is 1.36 Å. The C(8)-N(2) bond length is 1.33 Å. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(10), one N(2), and one H(7) atom. The C(9)-C(10) bond length is 1.37 Å. The C(9)-N(2) bond length is 1.38 Å. The C(9)-H(7) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(1), and one H(8) atom. The C(10)-N(1) bond length is 1.38 Å. The C(10)-H(8) bond length is 1.08 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one N(3), one H(10), and one H(9) atom. The C(11)-N(3) bond length is 1.46 Å. The C(11)-H(10) bond length is 1.10 Å. The C(11)-H(9) bond length is 1.10 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(11) atom. The C(12)-N(3) bond length is 1.36 Å. The C(12)-N(4) bond length is 1.33 Å. The C(12)-H(11) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(14), one N(4), and one H(12) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-N(4) bond length is 1.38 Å. The C(13)-H(12) bond length is 1.08 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(3), and one H(13) atom. The C(14)-N(3) bond length is 1.38 Å. The C(14)-H(13) bond length is 1.08 Å. In the fifteenth C site, C(15) is bonded in a distorted trigonal non-coplanar geometry to one C(6), one N(5), one H(14), and one H(15) atom. The C(15)-N(5) bond length is 1.46 Å. The C(15)-H(14) bond length is 1.10 Å. The C(15)-H(15) bond length is 1.10 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(16) atom. The C(16)-N(5) bond length is 1.36 Å. The C(16)-N(6) bond length is 1.33 Å. The C(16)-H(16) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(18), one N(6), and one H(17) atom. The C(17)-C(18) bond length is 1.37 Å. The C(17)-N(6) bond length is 1.38 Å. The C(17)-H(17) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(17), one N(5), and one H(18) atom. The C(18)-N(5) bond length is 1.39 Å. The C(18)-H(18) bond length is 1.08 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(10), one C(7), and one C(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(8), and one C(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(14) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(1), one C(12), and one C(13) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(15), one C(16), and one C(18) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(2), one C(16), and one C(17) atom. There are eighteen 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(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) 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 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(11) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(12) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(13) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(14) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(15) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(15) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(16) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(17) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(18) atom. S(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SO4 tetrahedra that share  a cornercorner with one Cu(1)N4O2 octahedra. The corner-sharing octahedral tilt angles are 41°. The S(1)-O(1) bond length is 1.49 Å. The S(1)-O(2) bond length is 1.48 Å. The S(1)-O(3) bond length is 1.53 Å. The S(1)-O(4) bond length is 1.49 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cu(1) and one S(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one S(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(2) and one S(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one S(1) atom. Linkers: 2 c1cn(Cc2cc(Cn3ccnc3)cc(Cn3ccnc3)c2)cn1. Metal clusters: 2 [Cu]. The MOF has largest included sphere 4.08 A, density 1.49 g/cm3, surface area 4259.84 m2/g, accessible volume 0.22 cm3/g