Rb2UC14N2H12O13 crystallizes in the monoclinic C2/c space group. Rb(1) is bonded in a 11-coordinate geometry to one H(1), one H(2), one H(5), one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), and two equivalent O(6) atoms. The Rb(1)-H(1) bond length is 2.93 Å. The Rb(1)-H(2) bond length is 3.02 Å. The Rb(1)-H(5) bond length is 3.05 Å. The Rb(1)-O(1) bond length is 3.23 Å. The Rb(1)-O(2) bond length is 3.09 Å. The Rb(1)-O(3) bond length is 3.15 Å. The Rb(1)-O(4) bond length is 2.92 Å. The Rb(1)-O(5) bond length is 3.02 Å. The Rb(1)-O(7) bond length is 2.82 Å. There is one shorter (2.85 Å) and one longer (2.92 Å) Rb(1)-O(6) bond length. U(1) is bonded in a distorted linear geometry to two equivalent O(5) atoms. Both U(1)-O(5) bond lengths are 1.82 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.50 Å. The C(1)-N(1) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(2)-H(4) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one H(5) atom. The C(3)-H(5) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(6) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(6) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(7), and one N(1) atom. The C(5)-C(7) bond length is 1.50 Å. The C(5)-N(1) bond length is 1.34 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(6)-O(1) bond length is 1.28 Å. The C(6)-O(2) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(7)-O(3) bond length is 1.30 Å. The C(7)-O(4) bond length is 1.24 Å. N(1) is bonded in a distorted bent 120 degrees geometry to one C(1) and one C(5) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one Rb(1) and one O(6) atom. The H(1)-O(6) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one Rb(1) and one O(6) atom. The H(2)-O(6) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(7) atom. The H(3)-O(7) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one Rb(1) and one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. There are seven inequivalent O sites. In the first O site, O(2) is bonded in a single-bond geometry to one Rb(1) and one C(6) atom. In the second O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1) and one C(7) atom. In the third O site, O(4) is bonded in a single-bond geometry to one Rb(1) and one C(7) atom. In the fourth O site, O(5) is bonded in a single-bond geometry to one Rb(1) and one U(1) atom. In the fifth O site, O(6) is bonded in a water-like geometry to two equivalent Rb(1), one H(1), and one H(2) atom. In the sixth O site, O(7) is bonded in a distorted water-like geometry to two equivalent Rb(1) and two equivalent H(3) atoms. In the seventh O site, O(1) is bonded in a distorted single-bond geometry to one Rb(1) and one C(6) atom. Linkers: 3 [O]C(=O)c1cccc(C([O])=O)n1. Metal clusters: 4 [Rb] ,2 [U]. The MOF has largest included sphere 1.84 A, density 2.72 g/cm3, surface area 2451.14 m2/g, accessible volume 0.06 cm3/g