NaCuC6H4SO7CH crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a NaCuC6H4SO7 framework. In the NaCuC6H4SO7 framework, there are two inequivalent Na sites. In the first Na site, Na(1) is bonded to two equivalent O(1), two equivalent O(6), and two equivalent O(7) atoms to form edge-sharing NaO6 octahedra. Both Na(1)-O(1) bond lengths are 2.40 Å. Both Na(1)-O(6) bond lengths are 2.36 Å. Both Na(1)-O(7) bond lengths are 2.48 Å. In the second Na site, Na(2) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form distorted edge-sharing NaO4 trigonal pyramids. Both Na(2)-O(1) bond lengths are 2.39 Å. Both Na(2)-O(2) bond lengths are 2.39 Å. Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(5), one O(6), and one O(7) atom. The Cu(1)-O(2) bond length is 2.52 Å. The Cu(1)-O(5) bond length is 1.91 Å. The Cu(1)-O(6) bond length is 1.88 Å. The Cu(1)-O(7) bond length is 1.97 Å. There are six 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 S(1) atom. The C(1)-C(2) bond length is 1.35 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-S(1) bond length is 1.76 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(3) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(3) bond length is 0.93 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(7) atom. The C(3)-C(4) bond length is 1.43 Å. The C(3)-C(7) 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) and one O(6) atom. The C(4)-O(6) bond length is 1.31 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(5) atom. The C(6)-H(5) bond length is 0.93 Å. In the sixth C site, C(7) is bonded in a bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.26 Å. The C(7)-O(5) bond length is 1.26 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. The H(1)-O(7) bond length is 0.82 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(7) atom. The H(2)-O(7) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(1), one O(1), one O(2), and one O(3) atom. The S(1)-O(1) bond length is 1.46 Å. The S(1)-O(2) bond length is 1.46 Å. The S(1)-O(3) bond length is 1.46 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Na(1), one Na(2), and one S(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Cu(1), and one S(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one S(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(7) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Na(1), one Cu(1), and one C(4) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Na(1), one Cu(1), one H(1), and one H(2) atom. Linkers: 4 [O]C(=O)c1cc(S([O])([O])[O])ccc1[O]. Metal clusters: 4 [Na] ,4 [Cu]. The MOF has largest included sphere 4.98 A, density 1.57 g/cm3, surface area 2910.99 m2/g, accessible volume 0.22 cm3/g