UCO4(CH2)4(CH)3N(C6H5CN)CO2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of six 02329_fluka molecules, eight 02329_fluka molecules, two formic acid molecules, two N(C6H5CN) clusters, and two UCO4 clusters. In each N(C6H5CN) cluster, there are seven inequivalent C sites. In the first C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one N(2), and one H(16) atom. The C(16)-C(15) bond length is 1.39 Å. The C(16)-N(2) bond length is 1.34 Å. The C(16)-H(16) bond length is 1.09 Å. In the second C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(9) atom. The C(7)-N(1) bond length is 1.34 Å. The C(7)-H(9) bond length is 1.09 Å. In the third C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(12) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(12) bond length is 1.09 Å. In the fourth C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one C(12), and one N(1) atom. The C(11)-C(12) bond length is 1.48 Å. The C(11)-N(1) bond length is 1.35 Å. In the fifth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one C(13), and one N(2) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-N(2) bond length is 1.36 Å. In the sixth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(13) atom. The C(13)-H(13) bond length is 1.09 Å. In the seventh C site, C(15) is bonded in a distorted single-bond geometry to one C(16) and one H(15) atom. The C(15)-H(15) 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(11) and one C(7) atom. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(12) and one C(16) atom. There are five inequivalent H sites. In the first H site, H(16) is bonded in a single-bond geometry to one C(16) atom. In the second H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the third H site, H(9) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(15) is bonded in a single-bond geometry to one C(15) atom. In the fifth H site, H(12) is bonded in a single-bond geometry to one C(10) atom. In each UCO4 cluster, U(1) is bonded in a distorted linear geometry to one O(1), one O(2), and one O(4) atom. The U(1)-O(1) bond length is 1.82 Å. The U(1)-O(2) bond length is 1.81 Å. The U(1)-O(4) bond length is 2.43 Å. C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(1)-O(3) bond length is 1.29 Å. The C(1)-O(4) bond length is 1.27 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one U(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one C(1) atom. In the fourth O site, O(4) is bonded in a distorted L-shaped geometry to one U(1) and one C(1) atom. Linkers: 2 [O]C(=O)CCCCC([O])=O. Metal clusters: 2 [O][U]12([O])(O[C]O1)O[C]O2. The MOF has largest included sphere 2.76 A, density 2.22 g/cm3, surface area 3201.37 m2/g, accessible volume 0.07 cm3/g