RbC5H4(NO3)2CH crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a RbC5H4(NO3)2 framework. In the RbC5H4(NO3)2 framework, Rb(1) is bonded in a 10-coordinate geometry to one H(2), one O(3), one O(5), two equivalent O(1), two equivalent O(6), and three equivalent O(2) atoms. The Rb(1)-H(2) bond length is 3.02 Å. The Rb(1)-O(3) bond length is 2.99 Å. The Rb(1)-O(5) bond length is 3.17 Å. There is one shorter (2.92 Å) and one longer (3.32 Å) Rb(1)-O(1) bond length. There is one shorter (2.98 Å) and one longer (3.05 Å) Rb(1)-O(6) bond length. There are a spread of Rb(1)-O(2) bond distances ranging from 3.10-3.34 Å. There are five inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(2) bond length is 1.39 Å. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.08 Å. In the second C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(2) atom. The C(4)-C(5) bond length is 1.42 Å. The C(4)-N(2) bond length is 1.43 Å. In the third C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the fourth C site, C(1) is bonded in a distorted single-bond geometry to one C(2) and one O(1) atom. The C(1)-C(2) bond length is 1.46 Å. The C(1)-O(1) bond length is 1.27 Å. In the fifth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(1) atom. The C(2)-N(1) bond length is 1.44 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(2), one O(2), and one O(3) atom. The N(1)-O(2) bond length is 1.25 Å. The N(1)-O(3) bond length is 1.26 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(4), one O(4), and one O(5) atom. The N(2)-O(4) bond length is 1.26 Å. The N(2)-O(5) bond length is 1.25 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(6) atom. The H(1)-O(6) bond length is 0.99 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 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. There are six inequivalent O sites. In the first O site, O(3) is bonded in a single-bond geometry to one Rb(1) and one N(1) atom. In the second O site, O(4) is bonded in a single-bond geometry to one N(2) atom. In the third O site, O(5) is bonded in a single-bond geometry to one Rb(1) and one N(2) atom. In the fourth 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 fifth O site, O(2) is bonded in a single-bond geometry to three equivalent Rb(1) and one N(1) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one C(1) atom. Linkers: 2 O=C1C=C[C]([N+](=O)[O-])C=C1[N+](=O)[O-] ,2 O=C1C=CC([N+](=O)[O-])=C[C]1[N+](=O)[O-]. Metal clusters: 4 [Rb]. The MOF has largest included sphere 1.50 A, density 2.09 g/cm3, surface area 3270.18 m2/g, accessible volume 0.08 cm3/g