K3H2S3O10CH crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of four 02329_fluka molecules inside a K3H2S3O10 framework. In the K3H2S3O10 framework, there are three inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. The K(1)-O(1) bond length is 2.79 Å. The K(1)-O(10) bond length is 2.90 Å. The K(1)-O(3) bond length is 2.72 Å. The K(1)-O(4) bond length is 2.74 Å. The K(1)-O(5) bond length is 2.76 Å. The K(1)-O(7) bond length is 2.97 Å. The K(1)-O(8) bond length is 2.99 Å. The K(1)-O(9) bond length is 2.67 Å. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. The K(2)-O(1) bond length is 2.74 Å. The K(2)-O(10) bond length is 2.89 Å. The K(2)-O(2) bond length is 2.83 Å. The K(2)-O(3) bond length is 2.96 Å. The K(2)-O(5) bond length is 2.87 Å. The K(2)-O(6) bond length is 2.78 Å. The K(2)-O(7) bond length is 2.68 Å. The K(2)-O(9) bond length is 2.70 Å. In the third K site, K(3) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(7), and one O(8) atom. The K(3)-O(2) bond length is 2.85 Å. The K(3)-O(3) bond length is 2.79 Å. The K(3)-O(7) bond length is 2.75 Å. The K(3)-O(8) bond length is 2.76 Å. There are two inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one O(10) atom. The H(2)-O(10) bond length is 0.98 Å. In the second H site, H(3) is bonded in a single-bond geometry to one O(10) atom. The H(3)-O(10) bond length is 0.98 Å. There are three inequivalent S sites. In the first S site, S(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. The S(2)-O(4) bond length is 1.46 Å. The S(2)-O(5) bond length is 1.46 Å. The S(2)-O(6) bond length is 1.48 Å. In the second S site, S(3) is bonded in a distorted trigonal non-coplanar geometry to one O(7), one O(8), and one O(9) atom. The S(3)-O(7) bond length is 1.47 Å. The S(3)-O(8) bond length is 1.47 Å. The S(3)-O(9) bond length is 1.46 Å. In the third S site, S(1) is bonded in a distorted trigonal non-coplanar geometry to 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 1.47 Å. The S(1)-O(3) bond length is 1.47 Å. There are ten inequivalent O sites. In the first O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one K(2), one K(3), and one S(3) atom. In the second O site, O(8) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one S(3) atom. In the third O site, O(1) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(1) atom. In the fourth O site, O(9) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(3) atom. In the fifth O site, O(2) is bonded in a distorted single-bond geometry to one K(2), one K(3), and one S(1) atom. In the sixth O site, O(10) is bonded in a water-like geometry to one K(1), one K(2), one H(2), and one H(3) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one K(2) and one S(2) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one K(2), one K(3), and one S(1) atom. In the ninth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one S(2) atom. In the tenth O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(2) atom. Linkers: 3 [O]S([O])([O])C(S([O])([O])[O])S([O])([O])[O]. Metal clusters: 12 [K]. The MOF has largest included sphere 1.00 A, density 2.39 g/cm3, surface area 0.00 m2/g, accessible volume 0.00 cm3/g