(CuC7H3O4)2C5N2H3 crystallizes in the tetragonal I4_1/amd space group. The structure consists of thirty-two 1,3-dimethyl-2h-imidazole molecules inside a CuC7H3O4 framework. In the CuC7H3O4 framework, there are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(6), one O(7), and one O(8) atom. The Cu(1)-O(1) bond length is 2.00 Å. The Cu(1)-O(6) bond length is 1.94 Å. The Cu(1)-O(7) bond length is 1.98 Å. The Cu(1)-O(8) bond length is 1.94 Å. In the second Cu site, Cu(2) is bonded in a distorted square co-planar geometry to two equivalent O(2) and two equivalent O(5) atoms. Both Cu(2)-O(2) bond lengths are 1.96 Å. Both Cu(2)-O(5) bond lengths are 1.96 Å. In the third Cu site, Cu(3) is bonded in a distorted square co-planar geometry to two equivalent O(3) and two equivalent O(4) atoms. Both Cu(3)-O(3) bond lengths are 1.94 Å. Both Cu(3)-O(4) bond lengths are 1.94 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(3), one O(1), and one O(8) atom. The C(1)-C(3) bond length is 1.48 Å. The C(1)-O(1) bond length is 1.24 Å. The C(1)-O(8) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(18) atom. The C(2)-C(11) bond length is 1.35 Å. The C(2)-C(12) bond length is 1.38 Å. The C(2)-C(18) bond length is 1.51 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(16), and one C(4) atom. The C(3)-C(16) bond length is 1.38 Å. The C(3)-C(4) bond length is 1.39 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(1) atom. The C(4)-C(5) bond length is 1.35 Å. The C(4)-H(1) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(14), one C(4), and one C(6) atom. The C(5)-C(14) bond length is 1.40 Å. The C(5)-C(6) bond length is 1.49 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(5), one O(2), and one O(3) atom. The C(6)-O(2) bond length is 1.25 Å. The C(6)-O(3) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(8), one O(4), and one O(5) atom. The C(7)-C(8) bond length is 1.49 Å. The C(7)-O(4) bond length is 1.24 Å. The C(7)-O(5) bond length is 1.26 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(12), one C(7), and one C(9) atom. The C(8)-C(12) bond length is 1.37 Å. The C(8)-C(9) bond length is 1.35 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(2) atom. The C(9)-H(2) bond length is 0.95 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(2) and one H(3) atom. The C(11)-H(3) bond length is 0.95 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(2), one C(8), and one H(4) atom. The C(12)-H(4) bond length is 0.95 Å. In the twelfth C site, C(14) is bonded in a distorted single-bond geometry to one C(5) and one H(6) atom. The C(14)-H(6) bond length is 0.95 Å. In the thirteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(3) and one H(7) atom. The C(16)-H(7) bond length is 0.95 Å. In the fourteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(2), one O(6), and one O(7) atom. The C(18)-O(6) bond length is 1.25 Å. The C(18)-O(7) bond length is 1.26 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(9) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cu(2) and one C(6) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Cu(3) and one C(6) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cu(3) and one C(7) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(2) and one C(7) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Cu(1) and one C(18) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(18) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Cu(1) and one C(1) atom. Linkers: 32 [O]C(=O)c1cc(C([O])=O)cc(N2[CH]N(c3cc(C([O])=O)cc(C([O])=O)c3)C=C2)c1. Metal clusters: 32 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: hyw. The MOF has largest included sphere 12.53 A, density 0.82 g/cm3, surface area 3670.27 m2/g, accessible volume 0.83 cm3/g