HgC7NH6SO2Cl is alpha structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one HgC7NH6SO2Cl cluster. Hg(1) is bonded in a distorted rectangular see-saw-like geometry to one N(1), two equivalent O(1), and one Cl(1) atom. The Hg(1)-N(1) bond length is 2.17 Å. There is one shorter (2.56 Å) and one longer (2.58 Å) Hg(1)-O(1) bond length. The Hg(1)-Cl(1) bond length is 2.37 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(5) and one H(1) atom. The C(1)-C(5) bond length is 1.41 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one N(1) and one H(2) atom. The C(2)-N(1) bond length is 1.35 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 N(1), and one H(3) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-N(1) bond length is 1.35 Å. The C(3)-H(3) bond length is 1.09 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(4) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(4), and one S(1) atom. The C(5)-S(1) bond length is 1.74 Å. In the sixth C site, C(6) is bonded in a distorted water-like geometry to one H(5), one H(6), and one S(1) atom. The C(6)-H(5) bond length is 1.10 Å. The C(6)-H(6) bond length is 1.10 Å. The C(6)-S(1) bond length is 1.80 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.25 Å. N(1) is bonded in a trigonal planar geometry to one Hg(1), one C(2), and one C(3) atom. There are six 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(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. S(1) is bonded in a water-like geometry to one C(5) and one C(6) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Hg(1) and one C(7) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(7) atom. Cl(1) is bonded in a single-bond geometry to one Hg(1) atom. Linkers: 2 [S]c1ccncc1. Metal clusters: 1 Cl[Hg].Cl[Hg].[O]C(=O)C[S].[O]C(=O)C[S]. The MOF has largest included sphere 2.39 A, density 2.86 g/cm3, surface area 2610.90 m2/g, accessible volume 0.06 cm3/g