In2C5H6O11 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 63°. The In(1)-O(11) bond length is 2.18 Å. The In(1)-O(2) bond length is 2.21 Å. The In(1)-O(3) bond length is 2.13 Å. The In(1)-O(5) bond length is 2.22 Å. The In(1)-O(7) bond length is 2.19 Å. The In(1)-O(8) bond length is 2.18 Å. In the second In site, In(2) is bonded to one O(1), one O(10), one O(3), one O(4), one O(6), and one O(9) atom to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 63°. The In(2)-O(1) bond length is 2.19 Å. The In(2)-O(10) bond length is 2.19 Å. The In(2)-O(3) bond length is 2.14 Å. The In(2)-O(4) bond length is 2.17 Å. The In(2)-O(6) bond length is 2.19 Å. The In(2)-O(9) bond length is 2.21 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(2), one O(4), and one O(5) atom. The C(1)-H(2) bond length is 1.10 Å. The C(1)-O(4) bond length is 1.28 Å. The C(1)-O(5) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one H(3), one O(10), and one O(2) atom. The C(2)-H(3) bond length is 1.10 Å. The C(2)-O(10) bond length is 1.27 Å. The C(2)-O(2) bond length is 1.27 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one H(4), one O(11), and one O(9) atom. The C(3)-H(4) bond length is 1.10 Å. The C(3)-O(11) bond length is 1.27 Å. The C(3)-O(9) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one H(5), one O(6), and one O(7) atom. The C(4)-H(5) bond length is 1.11 Å. The C(4)-O(6) bond length is 1.27 Å. The C(4)-O(7) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one H(6), one O(1), and one O(8) atom. The C(5)-H(6) bond length is 1.10 Å. The C(5)-O(1) bond length is 1.27 Å. The C(5)-O(8) bond length is 1.27 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one In(2) and one C(5) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one In(1) and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one In(1), one In(2), and one H(1) atom. In the fourth O site, O(4) is bonded in a distorted 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 120 degrees geometry to one In(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one In(2) and one C(4) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one In(1) and one C(4) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one In(1) and one C(5) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one In(2) and one C(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one In(2) and one C(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one In(1) and one C(3) atom. Linkers: 20 [O]C=O ,4 [OH]. Metal clusters: 8 [In]. The MOF has largest included sphere 1.63 A, density 2.80 g/cm3, surface area 2594.33 m2/g, accessible volume 0.06 cm3/g