InC8NH6O5 crystallizes in the triclinic P-1 space group. There are three inequivalent In sites. In the first In site, In(1) is bonded to one N(1), one O(1), one O(13), one O(14), one O(5), and one O(7) atom to form corner-sharing InNO5 octahedra. The corner-sharing octahedral tilt angles are 61°. The In(1)-N(1) bond length is 2.33 Å. The In(1)-O(1) bond length is 2.21 Å. The In(1)-O(13) bond length is 2.13 Å. The In(1)-O(14) bond length is 2.13 Å. The In(1)-O(5) bond length is 2.21 Å. The In(1)-O(7) bond length is 2.23 Å. In the second In site, In(2) is bonded to one N(2), one O(14), one O(15), one O(2), one O(6), and one O(8) atom to form corner-sharing InNO5 octahedra. The corner-sharing octahedral tilt angles are 61°. The In(2)-N(2) bond length is 2.33 Å. The In(2)-O(14) bond length is 2.13 Å. The In(2)-O(15) bond length is 2.12 Å. The In(2)-O(2) bond length is 2.21 Å. The In(2)-O(6) bond length is 2.21 Å. The In(2)-O(8) bond length is 2.23 Å. In the third In site, In(3) is bonded to one N(3), one O(13), one O(15), one O(3), one O(4), and one O(9) atom to form corner-sharing InNO5 octahedra. The corner-sharing octahedral tilt angles are 61°. The In(3)-N(3) bond length is 2.33 Å. The In(3)-O(13) bond length is 2.12 Å. The In(3)-O(15) bond length is 2.13 Å. The In(3)-O(3) bond length is 2.21 Å. The In(3)-O(4) bond length is 2.21 Å. The In(3)-O(9) bond length is 2.23 Å. There are twenty-three inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(4) atom. The C(1)-C(4) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(4) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(2), and one O(5) atom. The C(2)-C(5) bond length is 1.49 Å. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(5) bond length is 1.28 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(3), and one O(6) atom. The C(3)-C(6) bond length is 1.49 Å. The C(3)-O(3) bond length is 1.27 Å. The C(3)-O(6) bond length is 1.28 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(22), and one C(7) atom. The C(4)-C(22) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(2), one C(23), and one C(8) atom. The C(5)-C(23) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(24), one C(3), and one C(9) atom. The C(6)-C(24) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(10); one C(4); and one H(10,11,12) atom. The C(7)-C(10) bond length is 1.40 Å. The C(7)-H(10,11,12) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(11); one C(5); and one H(10,11,12) atom. The C(8)-C(11) bond length is 1.40 Å. The C(8)-H(10,11,12) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(12); one C(6); and one H(10,11,12) atom. The C(9)-C(12) bond length is 1.40 Å. The C(9)-H(10,11,12) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(13); one C(16,18); and one C(7) atom. The C(10)-C(13) bond length is 1.50 Å. The C(10)-C(16,18) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(14), one C(17), and one C(8) atom. The C(11)-C(14) bond length is 1.50 Å. The C(11)-C(17) bond length is 1.40 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(15); one C(16,18); and one C(9) atom. The C(12)-C(15) bond length is 1.50 Å. The C(12)-C(16,18) bond length is 1.40 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(10), and one O(7) atom. The C(13)-O(10) bond length is 1.25 Å. The C(13)-O(7) bond length is 1.30 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(11), and one O(8) atom. The C(14)-O(11) bond length is 1.25 Å. The C(14)-O(8) bond length is 1.30 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(12), and one O(9) atom. The C(15)-O(12) bond length is 1.25 Å. The C(15)-O(9) bond length is 1.30 Å. In the sixteenth C site, C(16,18) is bonded in a distorted single-bond geometry to one C(10) and one H(13,14,15) atom. The C(16,18)-H(13,14,15) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(11) and one H(13,14,15) atom. The C(17)-H(13,14,15) bond length is 1.09 Å. In the eighteenth C site, C(19) is bonded in a single-bond geometry to one N(1) atom. The C(19)-N(1) bond length is 1.43 Å. In the nineteenth C site, C(20) is bonded in a single-bond geometry to one N(2) atom. The C(20)-N(2) bond length is 1.43 Å. In the twentieth C site, C(21) is bonded in a single-bond geometry to one N(3) atom. The C(21)-N(3) bond length is 1.43 Å. In the twenty-first C site, C(22) is bonded in a distorted single-bond geometry to one C(4) and one H(16,17,18) atom. The C(22)-H(16,17,18) bond length is 1.09 Å. In the twenty-second C site, C(23) is bonded in a distorted single-bond geometry to one C(5) and one H(16,17,18) atom. The C(23)-H(16,17,18) bond length is 1.09 Å. In the twenty-third C site, C(24) is bonded in a distorted single-bond geometry to one C(6) and one H(16,17,18) atom. The C(24)-H(16,17,18) bond length is 1.09 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 2-coordinate geometry to one In(1), one C(19), one H(1), and one H(4) atom. The N(1)-H(1) bond length is 1.04 Å. The N(1)-H(4) bond length is 1.02 Å. In the second N site, N(2) is bonded in a 2-coordinate geometry to one In(2), one C(20), one H(2), and one H(5) atom. The N(2)-H(2) bond length is 1.04 Å. The N(2)-H(5) bond length is 1.02 Å. In the third N site, N(3) is bonded in a 2-coordinate geometry to one In(3), one C(21), one H(3), and one H(6) atom. The N(3)-H(3) bond length is 1.04 Å. The N(3)-H(6) bond length is 1.02 Å. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(1) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(3) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(13) atom. The H(7)-O(13) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(14) atom. The H(8)-O(14) bond length is 0.99 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(15) atom. The H(9)-O(15) bond length is 0.99 Å. In the tenth H site, H(10,11,12) is bonded in a single-bond geometry to one C(7) atom. In the eleventh H site, H(13,14,15) is bonded in a single-bond geometry to one C(16,18) atom. In the twelfth H site, H(16,17,18) is bonded in a single-bond geometry to one C(22) atom. There are fifteen 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(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one In(2) and one C(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one In(3) and one C(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one In(3) 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(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one In(2) and one C(3) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one In(1) and one C(13) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one In(2) and one C(14) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one In(3) and one C(15) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one C(13) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one C(14) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one C(15) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one In(1), one In(3), and one H(7) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one In(1), one In(2), and one H(8) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one In(2), one In(3), and one H(9) atom. Linkers: 6 Nc1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 6 [In]. The MOF has largest included sphere 9.95 A, density 1.53 g/cm3, surface area 2888.03 m2/g, accessible volume 0.27 cm3/g