Cu2C18NH3SO8 crystallizes in the orthorhombic Pnnm space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one N(1), one O(4), one O(5), and two equivalent O(3) atoms to form corner-sharing CuNO4 square pyramids. The corner-sharing octahedral tilt angles are 59°. The Cu(1)-N(1) bond length is 1.99 Å. The Cu(1)-O(4) bond length is 2.30 Å. The Cu(1)-O(5) bond length is 1.95 Å. Both Cu(1)-O(3) bond lengths are 1.93 Å. In the second Cu site, Cu(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form distorted CuO6 octahedra that share corners with two equivalent Cu(1)NO4 square pyramids and  an edgeedge with one Cu(2)O6 octahedra. Both Cu(2)-O(1) bond lengths are 2.54 Å. Both Cu(2)-O(2) bond lengths are 1.95 Å. Both Cu(2)-O(5) bond lengths are 1.99 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(2), and one O(3) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(2) bond length is 1.26 Å. The C(1)-O(3) bond length is 1.24 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(3) atom. The C(2)-C(10) bond length is 1.40 Å. The C(2)-C(3) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(1) atom. The C(3)-C(9) bond length is 1.40 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a single-bond geometry to one C(5) and one N(1) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-N(1) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a 3-coordinate geometry to one C(4), one C(5), and one C(6) atom. The C(5)-C(5) bond length is 1.07 Å. The C(5)-C(6) bond length is 0.98 Å. In the sixth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(5), one C(6), and one C(7) atom. The C(6)-C(6) bond length is 0.91 Å. The C(6)-C(7) bond length is 1.39 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) atom. In the eighth C site, C(8) is bonded in a single-bond geometry to one N(1) atom. The C(8)-N(1) bond length is 1.41 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to two equivalent C(3) and one S(1) atom. The C(9)-S(1) bond length is 1.77 Å. In the tenth C site, C(10) is bonded in a single-bond geometry to two equivalent C(2) and one H(2) atom. The C(10)-H(2) bond length is 0.93 Å. N(1) is bonded in a 5-coordinate geometry to one Cu(1), two equivalent C(4), and two equivalent C(8) atoms. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(10) atom. S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(9), one O(4), and two equivalent O(1) atoms. The S(1)-O(4) bond length is 1.45 Å. Both S(1)-O(1) bond lengths are 1.45 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cu(2) and one S(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Cu(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cu(1) and two equivalent Cu(2) atoms. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(S([O])([O])[O])c1. Metal clusters: 8 [Cu]. The MOF has largest included sphere 6.07 A, density 1.60 g/cm3, surface area 3041.37 m2/g, accessible volume 0.24 cm3/g