(ZnC7H3O4)2C5N2H3 crystallizes in the tetragonal I4_1/amd space group. The structure consists of thirty-two 1,3-dimethyl-2h-imidazole molecules inside a ZnC7H3O4 framework. In the ZnC7H3O4 framework, there are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(3), and one O(7) atom. The Zn(1)-O(1) bond length is 2.00 Å. The Zn(1)-O(2) bond length is 1.99 Å. The Zn(1)-O(3) bond length is 2.03 Å. The Zn(1)-O(7) bond length is 2.10 Å. In the second Zn site, Zn(2) is bonded in a distorted square co-planar geometry to two equivalent O(5) and two equivalent O(8) atoms. Both Zn(2)-O(5) bond lengths are 2.02 Å. Both Zn(2)-O(8) bond lengths are 1.99 Å. In the third Zn site, Zn(3) is bonded in a distorted square co-planar geometry to two equivalent O(4) and two equivalent O(6) atoms. Both Zn(3)-O(4) bond lengths are 2.01 Å. Both Zn(3)-O(6) bond lengths are 2.04 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(4), and one O(5) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(4) bond length is 1.25 Å. The C(1)-O(5) bond length is 1.23 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(8) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-C(8) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(1) atom. The C(3)-C(9) bond length is 1.38 Å. The C(3)-H(1) bond length is 0.95 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(16), one C(5), and one C(7) atom. The C(4)-C(16) bond length is 1.40 Å. The C(4)-C(5) bond length is 1.48 Å. The C(4)-C(7) bond length is 1.34 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(4), one O(1), and one O(3) atom. The C(5)-O(1) bond length is 1.27 Å. The C(5)-O(3) bond length is 1.26 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(9), one O(2), and one O(7) atom. The C(6)-C(9) bond length is 1.50 Å. The C(6)-O(2) bond length is 1.27 Å. The C(6)-O(7) bond length is 1.22 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(15), one C(4), and one H(2) atom. The C(7)-C(15) bond length is 1.40 Å. The C(7)-H(2) bond length is 0.95 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(2) and one H(3) atom. The C(8)-H(3) bond length is 0.95 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(6) atom. The C(9)-C(11) bond length is 1.40 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(9) and one H(4) atom. The C(11)-H(4) bond length is 0.95 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(15) and one H(6) atom. The C(13)-C(15) bond length is 1.39 Å. The C(13)-H(6) bond length is 0.95 Å. In the twelfth C site, C(15) is bonded in a trigonal planar geometry to one C(13), one C(18), and one C(7) atom. The C(15)-C(18) bond length is 1.49 Å. In the thirteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(4) and one H(8) atom. The C(16)-H(8) bond length is 0.95 Å. In the fourteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(15), one O(6), and one O(8) atom. The C(18)-O(6) bond length is 1.22 Å. The C(18)-O(8) bond length is 1.31 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(8) 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 Zn(1) and one C(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Zn(1) and one C(6) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(5) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Zn(3) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Zn(3) and one C(18) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(6) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(18) 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[Zn]23O[C]O[Zn](O1)(O[C]O2)O[C]O3. RCSR code: hyw. The MOF has largest included sphere 12.27 A, density 0.83 g/cm3, surface area 3717.22 m2/g, accessible volume 0.84 cm3/g