UO2(CH2)7CHC11N2H7(CO2)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two 02329_fluka molecules; fourteen 02329_fluka molecules; four formic acid molecules; two pitchblend, uranium(iv) oxide, uranium(iv) dioxide, uranium dioxide molecules; and two C11N2H7 clusters. In each C11N2H7 cluster, there are eleven inequivalent C sites. In the first C site, C(10) is bonded in a distorted trigonal planar geometry to one N(1) and one H(15) atom. The C(10)-N(1) bond length is 1.33 Å. The C(10)-H(15) bond length is 1.09 Å. In the second C site, C(12) is bonded in a distorted single-bond geometry to one C(13) and one H(17) atom. The C(12)-C(13) bond length is 1.41 Å. The C(12)-H(17) bond length is 1.09 Å. In the third C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(18) atom. The C(13)-C(14) bond length is 1.42 Å. The C(13)-C(18) bond length is 1.43 Å. In the fourth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one C(15), and one N(1) atom. The C(14)-C(15) bond length is 1.44 Å. The C(14)-N(1) bond length is 1.36 Å. In the fifth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one C(16), and one N(2) atom. The C(15)-C(16) bond length is 1.42 Å. The C(15)-N(2) bond length is 1.36 Å. In the sixth C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(19) atom. The C(16)-C(17) bond length is 1.43 Å. The C(16)-C(19) bond length is 1.41 Å. In the seventh C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one H(18) atom. The C(17)-H(18) bond length is 1.09 Å. In the eighth C site, C(18) is bonded in a distorted single-bond geometry to one C(13) and one H(19) atom. The C(18)-H(19) bond length is 1.09 Å. In the ninth C site, C(19) is bonded in a distorted single-bond geometry to one C(16) and one H(20) atom. The C(19)-H(20) bond length is 1.09 Å. In the tenth C site, C(20) is bonded in a distorted single-bond geometry to one C(21) and one H(21) atom. The C(20)-C(21) bond length is 1.41 Å. The C(20)-H(21) bond length is 1.09 Å. In the eleventh C site, C(21) is bonded in a distorted trigonal planar geometry to one C(20), one N(2), and one H(22) atom. The C(21)-N(2) bond length is 1.33 Å. The C(21)-H(22) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 120 degrees geometry to one C(10) and one C(14) atom. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(15) and one C(21) atom. There are seven inequivalent H sites. In the first H site, H(15) is bonded in a single-bond geometry to one C(10) atom. In the second H site, H(17) is bonded in a single-bond geometry to one C(12) atom. In the third H site, H(18) is bonded in a single-bond geometry to one C(17) atom. In the fourth H site, H(19) is bonded in a single-bond geometry to one C(18) atom. In the fifth H site, H(20) is bonded in a single-bond geometry to one C(19) atom. In the sixth H site, H(21) is bonded in a single-bond geometry to one C(20) atom. In the seventh H site, H(22) is bonded in a single-bond geometry to one C(21) atom. Linkers: 2 [O]C(=O)[CH]CCCCCCC([O])=O ,2 [O]C(=O)CCCCCCCC([O])=O ,2 [O]C(=O)CCCCCCC[C]=O. Metal clusters: 2 [O][U]12([O])(O[C]O1)O[C]O2. The MOF has largest included sphere 1.96 A, density 2.14 g/cm3, surface area 3540.55 m2/g, accessible volume 0.11 cm3/g