UH2(CO3)3CH2C3NH7C3NH6 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two 02329_fluka molecules, two trimethylamine molecules, two trimethylammonium molecules, and one UH2(CO3)3 cluster. In the UH2(CO3)3 cluster, U(1) is bonded in a distorted pentagonal bipyramidal geometry to one O(1), one O(2), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. The U(1)-O(1) bond length is 1.81 Å. The U(1)-O(2) bond length is 1.81 Å. The U(1)-O(3) bond length is 2.35 Å. The U(1)-O(5) bond length is 2.34 Å. The U(1)-O(7) bond length is 2.46 Å. The U(1)-O(8) bond length is 2.47 Å. The U(1)-O(9) bond length is 2.42 Å. There are three inequivalent C sites. In the first C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(7)-O(3) bond length is 1.29 Å. The C(7)-O(4) bond length is 1.26 Å. In the second C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(9)-O(5) bond length is 1.28 Å. The C(9)-O(6) bond length is 1.25 Å. In the third 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 1.26 Å. The C(10)-O(8) bond length is 1.27 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a distorted bent 150 degrees geometry to one O(4) and one O(9) atom. The H(1)-O(4) bond length is 1.64 Å. The H(1)-O(9) bond length is 1.01 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 1.00 Å. There are nine inequivalent O sites. In the first O site, O(3) is bonded in a distorted single-bond geometry to one U(1) and one C(7) atom. In the second O site, O(4) is bonded in a water-like geometry to one C(7) and one H(1) atom. In the third O site, O(5) is bonded in a distorted single-bond geometry to one U(1) and one C(9) atom. In the fourth O site, O(6) is bonded in a distorted single-bond geometry to one C(9) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to one U(1) and one C(10) atom. In the sixth O site, O(8) is bonded in a distorted single-bond geometry to one U(1) and one C(10) atom. In the seventh O site, O(9) is bonded in a water-like geometry to one U(1), one H(1), and one H(2) atom. In the eighth O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the ninth O site, O(2) is bonded in a single-bond geometry to one U(1) atom. Linkers: 1 [O]C(=O)C([O])=O ,1 [O][C]C[NH]1CCCN(C[C][O])CC[NH](CCCN(CC1)CC(=O)[O])CC(=O)[O] ,1 [O][C]CN1CCC[NH](C[C][O])CCN(CCC[NH](CC1)C[C]=O)CC(=O)[O] ,1 [O][C]CN1CCC[NH](C[C])CCN(CCC[NH](CC1)CC(=O)[O])CC(=O)[O]. Metal clusters: 1 O.O.[O][U]([O])(O[C]=O)(O[C]=O)OC(=O)C(=O)O[U]([O])([O])(O[C]=O)O[C]=O. The MOF has largest included sphere 1.82 A, density 2.51 g/cm3, surface area 2864.74 m2/g, accessible volume 0.05 cm3/g