InH7(C5O4)2 crystallizes in the triclinic P-1 space group. In(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. The In(1)-O(1) bond length is 2.18 Å. The In(1)-O(2) bond length is 2.18 Å. The In(1)-O(3) bond length is 2.15 Å. The In(1)-O(4) bond length is 2.27 Å. The In(1)-O(5) bond length is 2.29 Å. The In(1)-O(7) bond length is 2.14 Å. There are ten inequivalent C sites. In the first 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 1.40 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.49 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.48 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(6) and one O(6) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-O(6) bond length is 1.36 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(3) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(3) bond length is 1.28 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.28 Å. The C(8)-O(5) bond length is 1.29 Å. In the ninth C site, C(9) is bonded in a distorted trigonal non-coplanar geometry to one H(4), one H(5), and one O(6) atom. The C(9)-H(4) bond length is 1.10 Å. The C(9)-H(5) bond length is 1.10 Å. The C(9)-O(6) bond length is 1.42 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(10)-O(7) bond length is 1.29 Å. The C(10)-O(8) bond length is 1.25 Å. There are seven 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(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(2) and one O(8) atom. The H(6)-O(2) bond length is 1.02 Å. The H(6)-O(8) bond length is 1.59 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(2) and one O(5) atom. The H(7)-O(2) bond length is 1.00 Å. The H(7)-O(5) bond length is 1.63 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one In(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one In(1), one H(6), and one H(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one In(1) and one C(7) atom. In the fourth O site, O(4) is bonded in a distorted L-shaped geometry to one In(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one In(1), one C(8), and one H(7) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one C(5) and one C(9) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one In(1) and one C(10) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one C(10) and one H(6) atom. Linkers: 2 [O]C(=O)COc1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 1 O.O.O=[C]O[In]1O[C]O[In](O[C]=O)O[C]O1.[O][C]=O.[O][C]=O. RCSR code: kgd. The MOF has largest included sphere 1.94 A, density 2.33 g/cm3, surface area 2840.07 m2/g, accessible volume 0.07 cm3/g