Gd3H16(C2O)16(C12H7)4 is Indium-derived structured and crystallizes in the orthorhombic Ccce space group. The structure is zero-dimensional and consists of sixteen C12H7 clusters and eight Gd3H16(C2O)16 clusters. In each C12H7 cluster, there are twelve inequivalent C sites. In the first C site, C(12) is bonded in a distorted single-bond geometry to one C(7) and one H(7) atom. The C(12)-C(7) bond length is 1.41 Å. The C(12)-H(7) bond length is 0.93 Å. In the second C site, C(14) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(5) atom. The C(14)-C(15) bond length is 1.34 Å. The C(14)-C(19) bond length is 1.32 Å. The C(14)-C(5) bond length is 1.50 Å. In the third C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(8) atom. The C(15)-H(8) bond length is 0.93 Å. In the fourth C site, C(19) is bonded in a distorted single-bond geometry to one C(14) and one H(11) atom. The C(19)-H(11) bond length is 0.93 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(6) atom. The C(1)-C(1) bond length is 1.48 Å. The C(1)-C(2) bond length is 1.43 Å. The C(1)-C(6) bond length is 1.36 Å. In the sixth C site, C(2) is bonded in a single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(1) bond length is 0.93 Å. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.36 Å. The C(3)-C(7) bond length is 1.50 Å. In the eighth C site, C(4) is bonded in a single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.44 Å. The C(4)-H(2) bond length is 0.93 Å. In the ninth C site, C(5) is bonded in a trigonal planar geometry to one C(14), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.39 Å. In the tenth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the eleventh C site, C(7) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(8) atom. The C(7)-C(8) bond length is 1.39 Å. In the twelfth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(4) atom. The C(8)-H(4) bond length is 0.93 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(8) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In each Gd3H16(C2O)16 cluster, there are two inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(6), and one O(7) atom. The Gd(1)-O(2) bond length is 2.30 Å. The Gd(1)-O(3) bond length is 2.42 Å. The Gd(1)-O(4) bond length is 2.44 Å. The Gd(1)-O(6) bond length is 2.34 Å. The Gd(1)-O(7) bond length is 2.31 Å. In the second Gd site, Gd(2) is bonded in a distorted pentagonal pyramidal geometry to two equivalent O(1), two equivalent O(5), and two equivalent O(8) atoms. Both Gd(2)-O(1) bond lengths are 2.29 Å. Both Gd(2)-O(5) bond lengths are 2.22 Å. Both Gd(2)-O(8) bond lengths are 2.31 Å. There are sixteen inequivalent C sites. In the first C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(9) atom. The C(10)-C(11) bond length is 1.37 Å. The C(10)-C(13) bond length is 1.55 Å. The C(10)-C(9) bond length is 1.36 Å. In the second C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(11)-H(6) bond length is 0.93 Å. In the third C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(9)-H(5) bond length is 0.93 Å. In the fourth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(1), and one O(2) atom. The C(13)-O(1) bond length is 1.22 Å. The C(13)-O(2) bond length is 1.25 Å. In the fifth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(9) atom. The C(16)-C(17) bond length is 1.29 Å. The C(16)-H(9) bond length is 0.93 Å. In the sixth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(20) atom. The C(17)-C(18) bond length is 1.31 Å. The C(17)-C(20) bond length is 1.53 Å. In the seventh C site, C(18) is bonded in a distorted single-bond geometry to one C(17) and one H(10) atom. The C(18)-H(10) bond length is 0.93 Å. In the eighth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(3), and one O(4) atom. The C(20)-O(3) bond length is 1.26 Å. The C(20)-O(4) bond length is 1.20 Å. In the ninth C site, C(29) is bonded in a distorted single-bond geometry to one C(30) and one H(16) atom. The C(29)-C(30) bond length is 1.40 Å. The C(29)-H(16) bond length is 0.93 Å. In the tenth C site, C(30) is bonded in a trigonal planar geometry to one C(29), one C(31), and one C(33) atom. The C(30)-C(31) bond length is 1.32 Å. The C(30)-C(33) bond length is 1.54 Å. In the eleventh C site, C(31) is bonded in a distorted single-bond geometry to one C(30) and one H(17) atom. The C(31)-H(17) bond length is 0.93 Å. In the twelfth C site, C(33) is bonded in a bent 120 degrees geometry to one C(30), one O(5), and one O(6) atom. The C(33)-O(5) bond length is 1.24 Å. The C(33)-O(6) bond length is 1.18 Å. In the thirteenth C site, C(36) is bonded in a distorted single-bond geometry to one C(37) and one H(20) atom. The C(36)-C(37) bond length is 1.39 Å. The C(36)-H(20) bond length is 0.93 Å. In the fourteenth C site, C(37) is bonded in a trigonal planar geometry to one C(36), one C(38), and one C(40) atom. The C(37)-C(38) bond length is 1.36 Å. The C(37)-C(40) bond length is 1.53 Å. In the fifteenth C site, C(38) is bonded in a distorted single-bond geometry to one C(37) and one H(21) atom. The C(38)-H(21) bond length is 0.93 Å. In the sixteenth C site, C(40) is bonded in a distorted bent 120 degrees geometry to one C(37), one O(7), and one O(8) atom. The C(40)-O(7) bond length is 1.22 Å. The C(40)-O(8) bond length is 1.22 Å. There are eight inequivalent H sites. In the first H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the second H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the third H site, H(9) is bonded in a single-bond geometry to one C(16) atom. In the fourth H site, H(10) is bonded in a single-bond geometry to one C(18) atom. In the fifth H site, H(16) is bonded in a single-bond geometry to one C(29) atom. In the sixth H site, H(17) is bonded in a single-bond geometry to one C(31) atom. In the seventh H site, H(20) is bonded in a single-bond geometry to one C(36) atom. In the eighth H site, H(21) is bonded in a single-bond geometry to one C(38) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Gd(2) and one C(13) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Gd(1) and one C(13) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Gd(1) and one C(20) atom. In the fourth O site, O(4) is bonded in a distorted L-shaped geometry to one Gd(1) and one C(20) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Gd(2) and one C(33) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Gd(1) and one C(33) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Gd(1) and one C(40) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Gd(2) and one C(40) atom. Linkers: 18 [O]C(=O)c1ccc(-c2cc(-c3ccc(C([O])=O)cc3)cc(-c3cc(-c4ccc(C([O])=O)cc4)cc(-c4ccc(C([O])=O)cc4)c3)c2)cc1. Metal clusters: 8 [C]1O[Gd]23(O1)O[C]O[Gd]14(O[C]O2)(O[C]O3)O[C]O[Gd]2(O[C]O2)(O[C]O1)O[C]O4. The MOF has largest included sphere 10.53 A, density 0.72 g/cm3, surface area 3852.02 m2/g, accessible volume 0.93 cm3/g