MgInC16H8O9(C5H3)4 is Indium-derived structured and crystallizes in the trigonal R-3c space group. The structure is zero-dimensional and consists of forty-eight 1,3,5-triisopropenyl benzene molecules and eighteen MgInC16H8O9 clusters. In each MgInC16H8O9 cluster, Mg(1) is bonded in a rectangular see-saw-like geometry to one O(2), one O(5), one O(8), and one O(9) atom. The Mg(1)-O(2) bond length is 2.05 Å. The Mg(1)-O(5) bond length is 2.03 Å. The Mg(1)-O(8) bond length is 2.03 Å. The Mg(1)-O(9) bond length is 2.10 Å. In(1) is bonded to one O(1), one O(4), one O(6), one O(7), and two equivalent O(9) atoms to form edge-sharing InO6 octahedra. The In(1)-O(1) bond length is 2.11 Å. The In(1)-O(4) bond length is 2.12 Å. The In(1)-O(6) bond length is 2.14 Å. The In(1)-O(7) bond length is 2.12 Å. Both In(1)-O(9) bond lengths are 2.18 Å. There are sixteen inequivalent C sites. In the first C site, C(5) is bonded in a trigonal planar geometry to one C(6), one C(7), and one C(8) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-C(7) bond length is 1.50 Å. The C(5)-C(8) bond length is 1.37 Å. In the second C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the third C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.25 Å. In the fourth C site, C(8) is bonded in a single-bond geometry to one C(5) and one H(5) atom. The C(8)-H(5) bond length is 0.93 Å. In the fifth C site, C(10) is bonded in a distorted single-bond geometry to one C(12) and one H(6) atom. The C(10)-C(12) bond length is 1.35 Å. The C(10)-H(6) bond length is 0.93 Å. In the sixth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(3), and one O(4) atom. The C(11)-C(12) bond length is 1.50 Å. The C(11)-O(3) bond length is 1.24 Å. The C(11)-O(4) bond length is 1.30 Å. In the seventh C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(13) atom. The C(12)-C(13) bond length is 1.38 Å. In the eighth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(7) atom. The C(13)-H(7) bond length is 0.93 Å. In the ninth C site, C(18) is bonded in a trigonal planar geometry to one C(19), one C(20), and one C(21) atom. The C(18)-C(19) bond length is 1.36 Å. The C(18)-C(20) bond length is 1.39 Å. The C(18)-C(21) bond length is 1.51 Å. In the tenth C site, C(19) is bonded in a distorted single-bond geometry to one C(18) and one H(10) atom. The C(19)-H(10) bond length is 0.93 Å. In the eleventh C site, C(20) is bonded in a distorted single-bond geometry to one C(18) and one H(11) atom. The C(20)-H(11) bond length is 0.93 Å. In the twelfth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(5), and one O(6) atom. The C(21)-O(5) bond length is 1.22 Å. The C(21)-O(6) bond length is 1.29 Å. In the thirteenth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(35), one O(7), and one O(8) atom. The C(30)-C(35) bond length is 1.51 Å. The C(30)-O(7) bond length is 1.28 Å. The C(30)-O(8) bond length is 1.24 Å. In the fourteenth C site, C(34) is bonded in a distorted single-bond geometry to one C(35) and one H(19) atom. The C(34)-C(35) bond length is 1.38 Å. The C(34)-H(19) bond length is 0.93 Å. In the fifteenth C site, C(35) is bonded in a trigonal planar geometry to one C(30), one C(34), and one C(36) atom. The C(35)-C(36) bond length is 1.37 Å. In the sixteenth C site, C(36) is bonded in a distorted single-bond geometry to one C(35) and one H(20) atom. The C(36)-H(20) bond length is 0.93 Å. There are eight inequivalent H sites. In the first H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the fifth H site, H(10) is bonded in a single-bond geometry to one C(19) atom. In the sixth H site, H(11) is bonded in a single-bond geometry to one C(20) atom. In the seventh H site, H(19) is bonded in a single-bond geometry to one C(34) atom. In the eighth H site, H(20) is bonded in a single-bond geometry to one C(36) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one In(1) and one C(7) atom. In the second O site, O(5) is bonded in a bent 150 degrees geometry to one Mg(1) and one C(21) atom. In the third O site, O(6) is bonded in a bent 120 degrees geometry to one In(1) and one C(21) atom. In the fourth O site, O(3) is bonded in a single-bond geometry to one C(11) atom. In the fifth O site, O(4) is bonded in a bent 120 degrees geometry to one In(1) and one C(11) atom. In the sixth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Mg(1) and one C(7) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one In(1) and one C(30) atom. In the eighth O site, O(9) is bonded in a trigonal non-coplanar geometry to one Mg(1) and two equivalent In(1) atoms. In the ninth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Mg(1) and one C(30) atom. Linkers: 16 [O]C(=O)c1ccc(-c2cc(-c3ccc(C([O])=O)cc3)cc(-c3ccc(C([O])=O)cc3)c2)cc1. Metal clusters: 6 [O].[O].[O][C]O[Mg]O[C]O[In](O[C]=O)O[C]=O.[O][C]O[Mg]O[C]O[In](O[C]=O)O[C]=O. The MOF has largest included sphere 18.89 A, density 0.53 g/cm3, surface area 4246.67 m2/g, accessible volume 1.47 cm3/g