CuC4N2H5O3CH(CH3)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of four 02329_fluka molecules and eight 02329_fluka molecules inside a CuC4N2H5O3 framework. In the CuC4N2H5O3 framework, Cu(1) is bonded in a distorted trigonal bipyramidal geometry to one N(1), one N(2), one O(1), one O(2), and one O(3) atom. The Cu(1)-N(1) bond length is 2.04 Å. The Cu(1)-N(2) bond length is 1.90 Å. The Cu(1)-O(1) bond length is 2.37 Å. The Cu(1)-O(2) bond length is 1.98 Å. The Cu(1)-O(3) bond length is 2.03 Å. There are four inequivalent C sites. In the first C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one N(2), one H(11), and one H(12) atom. The C(6)-N(2) bond length is 1.44 Å. The C(6)-H(11) bond length is 1.10 Å. The C(6)-H(12) bond length is 1.10 Å. In the second C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(7)-O(2) bond length is 1.27 Å. The C(7)-O(3) bond length is 1.28 Å. In the third C site, C(1) is bonded in a 2-coordinate geometry to one N(1) and one H(3) atom. The C(1)-N(1) bond length is 1.48 Å. The C(1)-H(3) bond length is 1.10 Å. In the fourth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(2) and one O(1) atom. The C(2)-N(2) bond length is 1.32 Å. The C(2)-O(1) bond length is 1.26 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted tetrahedral geometry to one Cu(1), one C(1), one H(1), and one H(2) atom. The N(1)-H(1) bond length is 1.02 Å. The N(1)-H(2) bond length is 1.02 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(2), and one C(6) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(11) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(12) is bonded in a single-bond geometry to one C(6) atom. There are three inequivalent O sites. In the first O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(7) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one Cu(1) and one C(2) atom. In the third O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(7) atom. Linkers: 4 CC(C)[C@H](N)C(=O)[N]CC([O])=O. Metal clusters: 4 [Cu]. The MOF has largest included sphere 2.11 A, density 1.70 g/cm3, surface area 4494.26 m2/g, accessible volume 0.12 cm3/g