NaC8H7SO8 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom. The Na(1)-O(1) bond length is 2.35 Å. The Na(1)-O(2) bond length is 2.32 Å. The Na(1)-O(3) bond length is 2.40 Å. The Na(1)-O(4) bond length is 2.42 Å. The Na(1)-O(6) bond length is 2.43 Å. The Na(1)-O(8) bond length is 2.75 Å. There are eight 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 1.40 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-S(1) bond length is 1.78 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(2), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(7) bond length is 1.50 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(2) atom. The C(4)-C(5) 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 trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.49 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted 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 1.29 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(6), and one O(7) atom. The C(8)-O(6) bond length is 1.23 Å. The C(8)-O(7) bond length is 1.34 Å. There are seven 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(6) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(5) and one O(8) atom. The H(4)-O(5) bond length is 1.35 Å. The H(4)-O(8) bond length is 1.11 Å. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(5) and one O(7) atom. The H(5)-O(5) bond length is 1.69 Å. The H(5)-O(7) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(3) and one O(8) atom. The H(6)-O(3) bond length is 1.58 Å. The H(6)-O(8) bond length is 1.02 Å. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(4) and one O(8) atom. The H(7)-O(4) bond length is 1.58 Å. The H(7)-O(8) bond length is 1.02 Å. 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 1.49 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one S(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Na(1) and one S(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Na(1), one H(6), and one S(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one C(7), and one H(7) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one C(7), one H(4), and one H(5) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one C(8) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one C(8) and one H(5) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Na(1), one H(4), one H(6), and one H(7) atom. Linkers: 1 [O]C(=O)c1cc(C(=O)O)cc(S([O])([O])[O])c1. Metal clusters: 1 [Na]. The MOF has largest included sphere 1.78 A, density 1.87 g/cm3, surface area 3064.25 m2/g, accessible volume 0.10 cm3/g