InC22H12O5 crystallizes in the monoclinic P2/c space group. There are two inequivalent In sites. In the first In site, In(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 50°. Both In(1)-O(1) bond lengths are 2.00 Å. Both In(1)-O(2) bond lengths are 2.16 Å. Both In(1)-O(5) bond lengths are 2.16 Å. In the second In site, In(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 50°. Both In(2)-O(1) bond lengths are 1.96 Å. Both In(2)-O(3) bond lengths are 2.07 Å. Both In(2)-O(4) bond lengths are 2.15 Å. There are twenty-two inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(3), one O(2), and one O(4) atom. The C(1)-C(3) bond length is 1.46 Å. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(4) bond length is 1.33 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(5) atom. The C(2)-C(4) bond length is 1.47 Å. The C(2)-O(3) bond length is 1.22 Å. The C(2)-O(5) bond length is 1.30 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(5) atom. The C(3)-C(13) bond length is 1.32 Å. The C(3)-C(5) bond length is 1.32 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(14), one C(2), and one C(6) atom. The C(4)-C(14) bond length is 1.32 Å. The C(4)-C(6) bond length is 1.33 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(7), and one H(4) atom. The C(5)-C(7) bond length is 1.41 Å. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one H(8) atom. The C(6)-C(8) bond length is 1.42 Å. The C(6)-H(8) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one H(5) atom. The C(7)-C(9) bond length is 1.37 Å. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(10), one C(6), and one H(9) atom. The C(8)-C(10) bond length is 1.37 Å. The C(8)-H(9) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(7) atom. The C(9)-C(11) bond length is 1.36 Å. The C(9)-C(15) bond length is 1.56 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(12), one C(16), and one C(8) atom. The C(10)-C(12) bond length is 1.36 Å. The C(10)-C(16) bond length is 1.57 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(13), one C(9), and one H(6) atom. The C(11)-C(13) bond length is 1.41 Å. The C(11)-H(6) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10), one C(14), and one H(10) atom. The C(12)-C(14) bond length is 1.42 Å. The C(12)-H(10) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(11), one C(3), and one H(7) atom. The C(13)-H(7) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(12), one C(4), and one H(11) atom. The C(14)-H(11) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(17), one C(21), and one C(9) atom. The C(15)-C(17) bond length is 1.40 Å. The C(15)-C(21) bond length is 1.46 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(10), one C(18), and one C(21) atom. The C(16)-C(18) bond length is 1.40 Å. The C(16)-C(21) bond length is 1.46 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(22) atom. The C(17)-C(19) bond length is 1.47 Å. The C(17)-C(22) bond length is 1.45 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(16), one C(20), and one C(22) atom. The C(18)-C(20) bond length is 1.46 Å. The C(18)-C(22) bond length is 1.45 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(17) and one H(2) atom. The C(19)-H(2) bond length is 1.09 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(18) and one H(3) atom. The C(20)-H(3) bond length is 1.09 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(15), one C(16), and one H(1) atom. The C(21)-H(1) bond length is 1.09 Å. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(22) atom. The C(22)-C(22) bond length is 1.36 Å. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(21) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(19) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(20) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(6) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(8) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(14) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(1) atom. The H(12)-O(1) bond length is 1.00 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one In(1), one In(2), and one H(12) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one In(1) and one C(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one In(2) and one C(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one In(2) and one C(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one In(1) and one C(2) atom. Linkers: 2 [O]C(=O)c1ccc(-c2cc(-c3ccc(C([O])=O)cc3)c3ccc4c(-c5ccc(C([O])=O)cc5)cc(-c5ccc(C([O])=O)cc5)c5ccc2c3c54)cc1. Metal clusters: 4 [In]. RCSR code: scu. The MOF has largest included sphere 8.58 A, density 0.89 g/cm3, surface area 3919.08 m2/g, accessible volume 0.64 cm3/g