In3C16H11O11(C2HO)4 crystallizes in the monoclinic Pm space group. The structure consists of four methanediol;propane molecules inside a In3C16H11O11 framework. In the In3C16H11O11 framework, there are four inequivalent In sites. In the first In site, In(1) is bonded in a square co-planar geometry to two equivalent O(13,14) and two equivalent O(2,5) atoms. Both In(1)-O(13,14) bond lengths are 2.10 Å. Both In(1)-O(2,5) bond lengths are 1.94 Å. In the second In site, In(2) is bonded in a distorted square co-planar geometry to one O(11), one O(15), one O(16), and one O(8) atom. The In(2)-O(11) bond length is 1.94 Å. The In(2)-O(15) bond length is 2.10 Å. The In(2)-O(16) bond length is 2.10 Å. The In(2)-O(8) bond length is 1.94 Å. In the third In site, In(2) is bonded in a distorted square co-planar geometry to one O(11), one O(15), one O(16), and one O(8) atom. The In(2)-O(11) bond length is 1.94 Å. The In(2)-O(15) bond length is 2.10 Å. The In(2)-O(16) bond length is 2.10 Å. The In(2)-O(8) bond length is 1.94 Å. In the fourth In site, In(3) is bonded to one O(12), one O(17), one O(18), one O(3), one O(6), and one O(9) atom to form distorted corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 45°. The In(3)-O(12) bond length is 2.45 Å. The In(3)-O(17) bond length is 1.96 Å. The In(3)-O(18) bond length is 1.96 Å. The In(3)-O(3) bond length is 2.45 Å. The In(3)-O(6) bond length is 2.45 Å. The In(3)-O(9) bond length is 2.45 Å. There are fifteen inequivalent C sites. In the first C site, C(2,5,8) is bonded in a distorted trigonal planar geometry to one C(16,22); one C(3); and one H(2,5,8) atom. The C(2,5,8)-C(16,22) bond length is 1.37 Å. The C(2,5,8)-C(3) bond length is 1.34 Å. The C(2,5,8)-H(2,5,8) bond length is 1.15 Å. In the second C site, C(3) is bonded in a distorted trigonal planar geometry to one C(17,35); one C(2,5,8); and one H(3,6,9,12) atom. The C(3)-C(17,35) bond length is 1.37 Å. The C(3)-H(3,6,9,12) bond length is 1.14 Å. In the third C site, C(6,9) is bonded in a distorted trigonal planar geometry to one C(2,5,8); one C(23,29); and one H(3,6,9,12) atom. The C(6,9)-C(2,5,8) bond length is 1.34 Å. The C(6,9)-C(23,29) bond length is 1.37 Å. The C(6,9)-H(3,6,9,12) bond length is 1.14 Å. In the fourth C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one C(34), and one H(11) atom. The C(11)-C(12) bond length is 1.34 Å. The C(11)-C(34) bond length is 1.37 Å. The C(11)-H(11) bond length is 1.15 Å. In the fifth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11); one C(17,35); and one H(3,6,9,12) atom. The C(12)-C(17,35) bond length is 1.37 Å. The C(12)-H(3,6,9,12) bond length is 1.14 Å. In the sixth C site, C(15,21) is bonded in a bent 120 degrees geometry to one C(16,22) and two equivalent O(2,5) atoms. The C(15,21)-C(16,22) bond length is 1.45 Å. Both C(15,21)-O(2,5) bond lengths are 1.24 Å. In the seventh C site, C(16,22) is bonded in a trigonal planar geometry to one C(15,21) and two equivalent C(2,5,8) atoms. In the eighth C site, C(17,35) is bonded in a trigonal planar geometry to one C(18,36) and two equivalent C(3) atoms. The C(17,35)-C(18,36) bond length is 1.55 Å. In the ninth C site, C(18,36) is bonded in a bent 120 degrees geometry to one C(17,35) and two equivalent O(3) atoms. Both C(18,36)-O(3) bond lengths are 1.26 Å. In the tenth C site, C(23,29) is bonded in a trigonal planar geometry to one C(24,30) and two equivalent C(6,9) atoms. The C(23,29)-C(24,30) bond length is 1.55 Å. In the eleventh C site, C(24,30) is bonded in a bent 120 degrees geometry to one C(23,29) and two equivalent O(6) atoms. Both C(24,30)-O(6) bond lengths are 1.26 Å. In the twelfth C site, C(27) is bonded in a bent 120 degrees geometry to one C(28) and two equivalent O(8) atoms. The C(27)-C(28) bond length is 1.45 Å. Both C(27)-O(8) bond lengths are 1.24 Å. In the thirteenth C site, C(28) is bonded in a trigonal planar geometry to one C(27) and two equivalent C(2,5,8) atoms. Both C(28)-C(2,5,8) bond lengths are 1.37 Å. In the fourteenth C site, C(33) is bonded in a bent 120 degrees geometry to one C(34) and two equivalent O(11) atoms. The C(33)-C(34) bond length is 1.45 Å. Both C(33)-O(11) bond lengths are 1.24 Å. In the fifteenth C site, C(34) is bonded in a trigonal planar geometry to one C(33) and two equivalent C(11) atoms. There are eight inequivalent H sites. In the first H site, H(2,5,8) is bonded in a single-bond geometry to one C(2,5,8) atom. In the second H site, H(3,6,9,12) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(13) is bonded in a single-bond geometry to one O(15) atom. The H(13)-O(15) bond length is 1.40 Å. In the fifth H site, H(14,15) is bonded in a single-bond geometry to one O(13,14) atom. The H(14,15)-O(13,14) bond length is 1.40 Å. In the sixth H site, H(16) is bonded in a single-bond geometry to one O(16) atom. The H(16)-O(16) bond length is 1.00 Å. In the seventh H site, H(17) is bonded in a single-bond geometry to one O(18) atom. The H(17)-O(18) bond length is 1.23 Å. In the eighth H site, H(18) is bonded in a single-bond geometry to one O(17) atom. The H(18)-O(17) bond length is 1.23 Å. There are twelve inequivalent O sites. In the first O site, O(2,5) is bonded in a bent 150 degrees geometry to one In(1) and one C(15,21) atom. In the second O site, O(3) is bonded in a distorted bent 120 degrees geometry to one In(3) and one C(18,36) atom. In the third O site, O(6) is bonded in a 2-coordinate geometry to one In(3) and one C(24,30) atom. In the fourth O site, O(8) is bonded in a bent 150 degrees geometry to one In(2) and one C(27) atom. In the fifth O site, O(9) is bonded in a 2-coordinate geometry to one In(3) and one C(24,30) atom. The O(9)-C(24,30) bond length is 1.26 Å. In the sixth O site, O(11) is bonded in a bent 150 degrees geometry to one In(2) and one C(33) atom. In the seventh O site, O(12) is bonded in a distorted bent 120 degrees geometry to one In(3) and one C(18,36) atom. The O(12)-C(18,36) bond length is 1.26 Å. In the eighth O site, O(13,14) is bonded in a trigonal non-coplanar geometry to two equivalent In(1) and one H(14,15) atom. In the ninth O site, O(15) is bonded in a trigonal non-coplanar geometry to two In(2,2) and one H(13) atom. In the tenth O site, O(16) is bonded in a distorted T-shaped geometry to two In(2,2) and one H(16) atom. In the eleventh O site, O(17) is bonded in a distorted T-shaped geometry to two equivalent In(3) and one H(18) atom. In the twelfth O site, O(18) is bonded in a distorted T-shaped geometry to two equivalent In(3) and one H(17) atom. Linkers: 6 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 6 [In]. The MOF has largest included sphere 14.70 A, density 0.99 g/cm3, surface area 3183.14 m2/g, accessible volume 0.68 cm3/g