UC5P2H4O6CH crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of eight 02329_fluka molecules inside a UC5P2H4O6 framework. In the UC5P2H4O6 framework, there are two inequivalent U sites. In the first U site, U(1) is bonded in a rectangular see-saw-like geometry to one O(11), one O(3), one O(4), and one O(7) atom. The U(1)-O(11) bond length is 2.30 Å. The U(1)-O(3) bond length is 2.29 Å. The U(1)-O(4) bond length is 2.28 Å. The U(1)-O(7) bond length is 2.29 Å. In the second U site, U(2) is bonded in a rectangular see-saw-like geometry to one O(10), one O(2), one O(6), and one O(8) atom. The U(2)-O(10) bond length is 2.29 Å. The U(2)-O(2) bond length is 2.28 Å. The U(2)-O(6) bond length is 2.29 Å. The U(2)-O(8) bond length is 2.29 Å. There are ten 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 P(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.37 Å. The C(1)-P(1) bond length is 1.80 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(3) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one P(2) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-P(2) bond length is 1.80 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(4)-H(4) bond length is 0.93 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(6) atom. The C(6)-H(6) bond length is 0.93 Å. In the sixth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(12), one C(8), and one P(3) atom. The C(7)-C(12) bond length is 1.40 Å. The C(7)-C(8) bond length is 1.37 Å. The C(7)-P(3) bond length is 1.80 Å. In the seventh C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(7) atom. The C(8)-C(9) bond length is 1.38 Å. The C(8)-H(7) bond length is 0.93 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one P(4) atom. The C(9)-C(10) bond length is 1.42 Å. The C(9)-P(4) bond length is 1.81 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(8) atom. The C(10)-H(8) bond length is 0.93 Å. In the tenth C site, C(12) is bonded in a distorted single-bond geometry to one C(7) and one H(10) atom. The C(12)-H(10) bond length is 0.93 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one C(1), one O(1), one O(2), and one O(3) atom. The P(1)-O(1) bond length is 1.52 Å. The P(1)-O(2) bond length is 1.52 Å. The P(1)-O(3) bond length is 1.53 Å. In the second P site, P(2) is bonded in a distorted tetrahedral geometry to one C(3), one O(4), one O(5), and one O(6) atom. The P(2)-O(4) bond length is 1.51 Å. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.54 Å. In the third P site, P(3) is bonded in a distorted tetrahedral geometry to one C(7), one O(7), one O(8), and one O(9) atom. The P(3)-O(7) bond length is 1.51 Å. The P(3)-O(8) bond length is 1.51 Å. The P(3)-O(9) bond length is 1.53 Å. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one C(9), one O(10), one O(11), and one O(12) atom. The P(4)-O(10) bond length is 1.51 Å. The P(4)-O(11) bond length is 1.52 Å. The P(4)-O(12) bond length is 1.52 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 0.82 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 0.82 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one U(2) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one P(2) and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one U(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one U(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one U(2) and one P(3) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one P(3) and one H(2) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one U(2) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(4) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one P(4) atom. Linkers: 8 [O]P([O])(=O)c1cccc(P([O])(=O)O)c1. Metal clusters: 8 [U]. The MOF has largest included sphere 5.93 A, density 1.76 g/cm3, surface area 2389.00 m2/g, accessible volume 0.30 cm3/g