KC8NH7SO5CH crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a KC8NH7SO5 framework. In the KC8NH7SO5 framework, K(1) is bonded in a 6-coordinate geometry to one N(1), one O(1), one O(2), one O(5), and two equivalent O(3) atoms. The K(1)-N(1) bond length is 2.82 Å. The K(1)-O(1) bond length is 2.72 Å. The K(1)-O(2) bond length is 2.87 Å. The K(1)-O(5) bond length is 2.79 Å. There is one shorter (2.68 Å) and one longer (2.70 Å) K(1)-O(3) bond length. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(2) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-N(1) bond length is 1.32 Å. The C(1)-H(2) bond length is 1.09 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(4) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(4) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(8), and one H(5) atom. The C(3)-C(8) bond length is 1.42 Å. The C(3)-H(5) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(5), one C(8), and one S(1) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(8) bond length is 1.43 Å. The C(4)-S(1) bond length is 1.78 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(7) atom. The C(5)-H(7) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a distorted single-bond geometry to one C(9) and one O(5) atom. The C(7)-C(9) bond length is 1.44 Å. The C(7)-O(5) bond length is 1.34 Å. In the seventh C site, C(8) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(9) atom. The C(8)-C(9) bond length is 1.44 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(7), one C(8), and one N(1) atom. The C(9)-N(1) bond length is 1.36 Å. N(1) is bonded in a distorted bent 120 degrees geometry to one K(1), one C(1), and one C(9) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. The H(3)-O(2) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a linear geometry to one O(2) and one O(5) atom. The H(6)-O(2) bond length is 1.56 Å. The H(6)-O(5) bond length is 1.03 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(5) atom. S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one O(1), one O(3), and one O(4) atom. The S(1)-O(1) bond length is 1.48 Å. The S(1)-O(3) bond length is 1.47 Å. The S(1)-O(4) bond length is 1.46 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(1) and one S(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one H(1), one H(3), and one H(6) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent K(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one S(1) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one K(1), one C(7), and one H(6) atom. Linkers: 4 [O]S([O])([O])c1ccc(O)c2ncccc12. Metal clusters: 4 [K]. The MOF has largest included sphere 1.51 A, density 1.73 g/cm3, surface area 3001.79 m2/g, accessible volume 0.03 cm3/g