UC8H4O5 is Indium-like structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four UC8H4O5 clusters. U(1) is bonded in a 2-coordinate geometry to one H(4), one O(1), and one O(5) atom. The U(1)-H(4) bond length is 2.37 Å. The U(1)-O(1) bond length is 2.25 Å. The U(1)-O(5) bond length is 2.32 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a single-bond geometry to one O(1) atom. The C(1)-O(1) bond length is 1.36 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3) and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) bond length is 0.93 Å. In the third 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 1.39 Å. The C(3)-C(7) bond length is 1.48 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.37 Å. The C(5)-C(8) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(2), and one O(3) atom. The C(7)-O(2) bond length is 1.26 Å. The C(7)-O(3) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.25 Å. The C(8)-O(5) bond length is 1.24 Å. There are four 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 2-coordinate geometry to one U(1) and one O(4) atom. The H(4)-O(4) bond length is 0.85 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one U(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one C(7) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one C(7) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one C(8) and one H(4) atom. In the fifth O site, O(5) is bonded in a linear geometry to one U(1) and one C(8) atom. Linkers: 8 [O]C(=O)c1cc([O])cc(C(=O)O)c1. Metal clusters: 4 [O][C]=O.[O][C]=O.[O][U]O[C]O.[O][U]O[C]O. The MOF has largest included sphere 6.24 A, density 1.53 g/cm3, surface area 2257.49 m2/g, accessible volume 0.42 cm3/g