Zn2H7(C2O)7CH crystallizes in the tetragonal P4/ncc space group. The structure consists of sixteen 02329_fluka molecules inside a Zn2H7(C2O)7 framework. In the Zn2H7(C2O)7 framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form corner-sharing ZnO4 trigonal pyramids. The Zn(1)-O(1) bond length is 2.24 Å. The Zn(1)-O(3) bond length is 1.92 Å. The Zn(1)-O(4) bond length is 1.96 Å. The Zn(1)-O(6) bond length is 1.99 Å. In the second Zn site, Zn(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. The Zn(2)-O(2) bond length is 1.98 Å. The Zn(2)-O(3) bond length is 1.91 Å. The Zn(2)-O(5) bond length is 1.94 Å. The Zn(2)-O(7) bond length is 1.95 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(7), and one H(6) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.36 Å. The C(1)-H(6) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(12), and one C(3) atom. The C(2)-C(12) bond length is 1.48 Å. The C(2)-C(3) bond length is 1.39 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(3) atom. The C(3)-C(9) bond length is 1.38 Å. The C(3)-H(3) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(2) atom. The C(4)-C(7) bond length is 1.41 Å. The C(4)-C(9) bond length is 1.39 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(11), one C(15), and one H(4) atom. The C(5)-C(11) bond length is 1.37 Å. The C(5)-C(15) bond length is 1.39 Å. The C(5)-H(4) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(11) and one H(5) atom. The C(6)-C(11) bond length is 1.39 Å. The C(6)-H(5) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(8) atom. The C(7)-C(8) bond length is 1.49 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(4) atom. The C(8)-O(1) bond length is 1.25 Å. The C(8)-O(4) bond length is 1.27 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(15), one C(3), and one C(4) atom. The C(9)-C(15) bond length is 1.50 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(15) and one H(8) atom. The C(10)-C(15) bond length is 1.38 Å. The C(10)-H(8) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(14), one C(5), and one C(6) atom. The C(11)-C(14) bond length is 1.49 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(6), and one O(7) atom. The C(12)-O(6) bond length is 1.25 Å. The C(12)-O(7) bond length is 1.27 Å. In the thirteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(2), and one O(5) atom. The C(14)-O(2) bond length is 1.24 Å. The C(14)-O(5) bond length is 1.26 Å. In the fourteenth C site, C(15) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(9) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.85 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. 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. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(1) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(10) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(8) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(14) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one H(1) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Zn(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(14) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(12) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(12) atom. Linkers: 16 [O]C(=O)c1cccc(-c2cc(C([O])=O)cc(C([O])=O)c2)c1. Metal clusters: 4 O[Zn@]12O[C]O[Zn]3O[C]O[Zn]4O[C]O[Zn]5O[C]O[Zn](O[C]O3)O[C]O[Zn@](O)(O[C]O[Zn@](O)(O[C]O5)O[C]O[Zn@](O)(O[C]O4)O[C]O1)O[C]O2. RCSR code: llj. The MOF has largest included sphere 6.81 A, density 1.42 g/cm3, surface area 3681.15 m2/g, accessible volume 0.29 cm3/g