MnH4(C2O)4C6H4SO2 is Indium-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of twelve di-isopropenylsulfon molecules and four MnH4(C2O)4 clusters. In each MnH4(C2O)4 cluster, there are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Mn(1)-O(1) bond length is 2.11 Å. The Mn(1)-O(2) bond length is 2.14 Å. The Mn(1)-O(3) bond length is 2.14 Å. The Mn(1)-O(4) bond length is 2.15 Å. The Mn(1)-O(5) bond length is 2.17 Å. The Mn(1)-O(6) bond length is 2.25 Å. In the second Mn site, Mn(2) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(7), one O(8), and one O(9) atom. The Mn(2)-O(2) bond length is 2.40 Å. The Mn(2)-O(7) bond length is 2.07 Å. The Mn(2)-O(8) bond length is 2.08 Å. The Mn(2)-O(9) bond length is 2.16 Å. In the third Mn site, Mn(3) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(12), and one O(6) atom. The Mn(3)-O(10) bond length is 2.03 Å. The Mn(3)-O(11) bond length is 2.05 Å. The Mn(3)-O(12) bond length is 2.10 Å. The Mn(3)-O(6) bond length is 2.46 Å. There are twenty-four inequivalent C sites. In the first C site, C(21) is bonded in a distorted single-bond geometry to one C(16) and one H(12) atom. The C(21)-C(16) bond length is 1.37 Å. The C(21)-H(12) bond length is 0.93 Å. In the second C site, C(25) is bonded in a trigonal planar geometry to one C(24), one C(26), and one C(28) atom. The C(25)-C(24) bond length is 1.37 Å. The C(25)-C(26) bond length is 1.39 Å. The C(25)-C(28) bond length is 1.49 Å. In the third C site, C(24) is bonded in a single-bond geometry to one C(25) and one H(14) atom. The C(24)-H(14) bond length is 0.93 Å. In the fourth C site, C(26) is bonded in a single-bond geometry to one C(25) and one H(15) atom. The C(26)-H(15) bond length is 0.93 Å. In the fifth C site, C(28) is bonded in a bent 120 degrees geometry to one C(25), one O(12), and one O(6) atom. The C(28)-O(12) bond length is 1.25 Å. The C(28)-O(6) bond length is 1.25 Å. In the sixth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(1), and one O(11) atom. The C(29)-C(30) bond length is 1.49 Å. The C(29)-O(1) bond length is 1.22 Å. The C(29)-O(11) bond length is 1.26 Å. In the seventh C site, C(30) is bonded in a trigonal planar geometry to one C(29), one C(31), and one C(35) atom. The C(30)-C(31) bond length is 1.38 Å. The C(30)-C(35) bond length is 1.36 Å. In the eighth C site, C(31) is bonded in a single-bond geometry to one C(30) and one H(17) atom. The C(31)-H(17) bond length is 0.93 Å. In the ninth C site, C(35) is bonded in a single-bond geometry to one C(30) and one H(20) atom. The C(35)-H(20) bond length is 0.93 Å. In the tenth C site, C(39) is bonded in a trigonal planar geometry to one C(38), one C(40), and one C(42) atom. The C(39)-C(38) bond length is 1.38 Å. The C(39)-C(40) bond length is 1.38 Å. The C(39)-C(42) bond length is 1.51 Å. In the eleventh C site, C(38) is bonded in a distorted single-bond geometry to one C(39) and one H(22) atom. The C(38)-H(22) bond length is 0.93 Å. In the twelfth C site, C(40) is bonded in a distorted single-bond geometry to one C(39) and one H(23) atom. The C(40)-H(23) bond length is 0.93 Å. In the thirteenth C site, C(42) is bonded in a distorted bent 120 degrees geometry to one C(39), one O(10), and one O(4) atom. The C(42)-O(10) bond length is 1.25 Å. The C(42)-O(4) bond length is 1.24 Å. In the fourteenth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(5), and one O(7) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(5) bond length is 1.25 Å. The C(1)-O(7) bond length is 1.25 Å. In the fifteenth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-C(7) bond length is 1.38 Å. In the sixteenth C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 0.93 Å. In the seventeenth C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 0.93 Å. In the eighteenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(6) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-H(6) bond length is 0.93 Å. In the nineteenth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(14) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-C(14) bond length is 1.48 Å. In the twentieth C site, C(12) is bonded in a distorted single-bond geometry to one C(11) and one H(7) atom. The C(12)-H(7) bond length is 0.93 Å. In the twenty-first C site, C(14) is bonded in a bent 120 degrees geometry to one C(11), one O(2), and one O(9) atom. The C(14)-O(2) bond length is 1.26 Å. The C(14)-O(9) bond length is 1.26 Å. In the twenty-second C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(3), and one O(8) atom. The C(15)-C(16) bond length is 1.51 Å. The C(15)-O(3) bond length is 1.26 Å. The C(15)-O(8) bond length is 1.25 Å. In the twenty-third C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(21) atom. The C(16)-C(17) bond length is 1.37 Å. In the twenty-fourth C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one H(9) atom. The C(17)-H(9) bond length is 0.93 Å. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(21) atom. In the seventh H site, H(14) is bonded in a single-bond geometry to one C(24) atom. In the eighth H site, H(15) is bonded in a single-bond geometry to one C(26) atom. In the ninth H site, H(17) is bonded in a single-bond geometry to one C(31) atom. In the tenth H site, H(20) is bonded in a single-bond geometry to one C(35) atom. In the eleventh H site, H(22) is bonded in a single-bond geometry to one C(38) atom. In the twelfth H site, H(23) is bonded in a single-bond geometry to one C(40) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to one Mn(1) and one C(29) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one C(14) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(1) and one C(15) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mn(1) and one C(42) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the sixth O site, O(7) is bonded in a bent 150 degrees geometry to one Mn(2) and one C(1) atom. In the seventh O site, O(8) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(15) atom. In the eighth O site, O(9) is bonded in an L-shaped geometry to one Mn(2) and one C(14) atom. In the ninth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Mn(3) and one C(42) atom. In the tenth O site, O(11) is bonded in a bent 120 degrees geometry to one Mn(3) and one C(29) atom. In the eleventh O site, O(6) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(3), and one C(28) atom. In the twelfth O site, O(12) is bonded in a water-like geometry to one Mn(3) and one C(28) atom. Linkers: 12 [O]C(=O)c1ccc(S(=O)(=O)c2ccc(C([O])=O)cc2)cc1. Metal clusters: 4 [C]1O[Mn]2O[C]O[Mn]34(O1)(O[C]O2)O[C]O[Mn](O[C]O3)O[C]O4. RCSR code: pcu. The MOF has largest included sphere 5.58 A, density 1.24 g/cm3, surface area 4179.77 m2/g, accessible volume 0.39 cm3/g