BaH10(C2O)8(C9H4S2)2 is Indium-derived structured and crystallizes in the orthorhombic Ibam space group. The structure is zero-dimensional and consists of four BaH10(C2O)8 clusters and eight C9H4S2 clusters. In each BaH10(C2O)8 cluster, Ba(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. Both Ba(1)-O(1) bond lengths are 2.68 Å. Both Ba(1)-O(2) bond lengths are 2.78 Å. Both Ba(1)-O(3) bond lengths are 2.84 Å. There are eight inequivalent C sites. In the first C site, C(12) is bonded in a distorted single-bond geometry to one C(13) and one H(6) atom. The C(12)-C(13) bond length is 1.35 Å. The C(12)-H(6) bond length is 0.93 Å. In the second C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-C(16) bond length is 1.51 Å. In the third C site, C(14) is bonded in a distorted single-bond geometry to one C(13) and one H(7) atom. The C(14)-H(7) bond length is 0.93 Å. In the fourth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(3), and one O(4) atom. The C(16)-O(3) bond length is 1.22 Å. The C(16)-O(4) bond length is 1.33 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.35 Å. The C(1)-C(6) bond length is 1.35 Å. The C(1)-C(7) bond length is 1.51 Å. In the sixth C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.93 Å. In the seventh C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the eighth C site, C(7) is bonded in a bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.24 Å. The C(7)-O(2) bond length is 1.26 Å. There are five 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(4) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(14) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one O(2) and one O(4) atom. The H(9)-O(2) bond length is 1.73 Å. The H(9)-O(4) bond length is 0.82 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(1) and one C(7) atom. In the second O site, O(3) is bonded in a single-bond geometry to one Ba(1) and one C(16) atom. In the third O site, O(4) is bonded in a water-like geometry to one C(16) and one H(9) atom. In the fourth O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Ba(1), one C(7), and one H(9) atom. In each C9H4S2 cluster, there are nine inequivalent C sites. In the first C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(8), and one S(2) atom. The C(9)-C(10) bond length is 1.47 Å. The C(9)-C(8) bond length is 1.31 Å. The C(9)-S(2) bond length is 1.77 Å. In the second C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(15) bond length is 1.36 Å. In the third C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(11)-H(5) bond length is 0.93 Å. In the fourth C site, C(15) is bonded in a distorted single-bond geometry to one C(10) and one H(8) atom. The C(15)-H(8) bond length is 0.93 Å. In the fifth C site, C(17) is bonded in a trigonal planar geometry to one C(17), one S(1), and one S(2) atom. The C(17)-C(17) bond length is 1.30 Å. The C(17)-S(1) bond length is 1.74 Å. The C(17)-S(2) bond length is 1.78 Å. In the sixth C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-H(2) bond length is 0.93 Å. In the seventh C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(8) bond length is 1.47 Å. In the eighth C site, C(5) is bonded in a single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 0.93 Å. In the ninth C site, C(8) is bonded in a trigonal planar geometry to one C(4), one C(9), and one S(1) atom. The C(8)-S(1) bond length is 1.76 Å. There are four inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in an L-shaped geometry to one C(17) and one C(8) atom. In the second S site, S(2) is bonded in an L-shaped geometry to one C(17) and one C(9) atom. Linkers: 4 [O]C(=O)c1ccc(C2=C(c3ccc(C(=O)O)cc3)S/C(=C3\SC(c4ccc(C([O])=O)cc4)=C(c4ccc(C(=O)O)cc4)S3)S2)cc1 ,4 [O]C(=O)c1ccc(C2=C(c3ccc([C]=O)cc3)S/C(=C3\SC(c4ccc(C([O])=O)cc4)=C(c4ccc(C(=O)O)cc4)S3)S2)cc1. Metal clusters: 4 O=[C]O.O=[C]O.O=[C]O.O=[C]O.O=[C]O[Ba]O[C]=O.O=[C]O[Ba]O[C]=O. The MOF has largest included sphere 6.14 A, density 1.26 g/cm3, surface area 3976.40 m2/g, accessible volume 0.35 cm3/g