Zn(HOC6H4CO2)2(CH)2 crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a Zn(HOC6H4CO2)2 framework. In the Zn(HOC6H4CO2)2 framework, Zn(1) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Zn(1)-O(1) bond lengths are 2.00 Å. Both Zn(1)-O(2) bond lengths are 1.97 Å. There are seven inequivalent C sites. In the first C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one O(3) atom. The C(4)-C(3) bond length is 1.42 Å. The C(4)-O(3) bond length is 1.35 Å. In the second C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(3) atom. The C(6)-C(1) bond length is 1.41 Å. The C(6)-H(3) bond length is 1.09 Å. In the third C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(7)-C(3) bond length is 1.49 Å. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.28 Å. In the fourth C site, C(8) is bonded in a tetrahedral geometry to one H(4), one H(5), one H(6), and one O(3) atom. The C(8)-H(4) bond length is 1.09 Å. The C(8)-H(5) bond length is 1.10 Å. The C(8)-H(6) bond length is 1.10 Å. The C(8)-O(3) bond length is 1.44 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(6) atom. The C(1)-C(1) bond length is 1.48 Å. The C(1)-C(2) bond length is 1.40 Å. In the sixth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) bond length is 1.09 Å. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(7) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. There are three inequivalent O sites. In the first O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the second O site, O(3) is bonded in a bent 120 degrees geometry to one C(4) and one C(8) atom. In the third O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. Linkers: 2 COc1ccc(-c2ccc(OC)c(C([O])=O)c2)cc1C([O])=O ,2 COc1ccc(-c2ccc([O])c(C([O])=O)c2)cc1C([O])=O. Metal clusters: 2 [Zn]. The MOF has largest included sphere 2.41 A, density 1.66 g/cm3, surface area 4199.12 m2/g, accessible volume 0.16 cm3/g