ZnC12H8O5 crystallizes in the triclinic P-1 space group. Zn(1) is bonded in a trigonal bipyramidal geometry to one O(1), one O(2), one O(3), one O(4), and one O(5) atom. The Zn(1)-O(1) bond length is 2.21 Å. The Zn(1)-O(2) bond length is 2.17 Å. The Zn(1)-O(3) bond length is 1.98 Å. The Zn(1)-O(4) bond length is 1.98 Å. The Zn(1)-O(5) bond length is 1.99 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(1)-C(3) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(3) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(2)-C(4) bond length is 1.49 Å. The C(2)-O(2) bond length is 1.28 Å. The C(2)-O(4) bond length is 1.28 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(9) atom. The C(3)-C(5) bond length is 1.39 Å. The C(3)-C(9) bond length is 1.42 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(10), one C(2), and one C(6) atom. The C(4)-C(10) bond length is 1.42 Å. The C(4)-C(6) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(3), one C(7), and one H(3) atom. The C(5)-C(7) bond length is 1.42 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one H(4) atom. The C(6)-C(8) bond length is 1.42 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(5), and one C(7) atom. The C(7)-C(11) bond length is 1.42 Å. The C(7)-C(7) bond length is 1.44 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(12), one C(6), and one C(8) atom. The C(8)-C(12) bond length is 1.42 Å. The C(8)-C(8) bond length is 1.44 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11), one C(3), and one H(5) atom. The C(9)-C(11) bond length is 1.38 Å. The C(9)-H(5) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(12), one C(4), and one H(6) atom. The C(10)-C(12) bond length is 1.37 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(7) atom. The C(11)-H(7) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) and one O(5) atom. The H(1)-O(2) bond length is 1.62 Å. The H(1)-O(5) bond length is 1.00 Å. In the second H site, H(2) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. The H(2)-O(1) bond length is 1.60 Å. The H(2)-O(5) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(2), and one H(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Zn(1), one H(1), and one H(2) atom. Linkers: 2 [O]C(=O)c1ccc2cc(C([O])=O)ccc2c1. Metal clusters: 2 [Zn]. RCSR code: pts. The MOF has largest included sphere 1.86 A, density 1.89 g/cm3, surface area 3718.33 m2/g, accessible volume 0.12 cm3/g