Zn2C12H6O7 is Indium-like structured and crystallizes in the orthorhombic Pbca space group. The structure is zero-dimensional and consists of four Zn2C12H6O7 clusters. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(5), and one O(6) atom. The Zn(1)-O(1) bond length is 1.95 Å. The Zn(1)-O(2) bond length is 1.97 Å. The Zn(1)-O(5) bond length is 1.97 Å. The Zn(1)-O(6) bond length is 1.93 Å. In the second Zn site, Zn(2) is bonded in a rectangular see-saw-like geometry to one O(3), one O(4), and two equivalent O(1) atoms. The Zn(2)-O(3) bond length is 2.08 Å. The Zn(2)-O(4) bond length is 2.10 Å. There is one shorter (2.07 Å) and one longer (2.11 Å) Zn(2)-O(1) bond length. 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(2), one O(2), and one O(3) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(2) bond length is 1.26 Å. The C(1)-O(3) bond length is 1.24 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(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) 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) and one H(1) atom. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-C(8) bond length is 1.48 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.23 Å. The C(8)-O(5) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(10), one O(6), and one O(7) atom. The C(9)-C(10) bond length is 1.51 Å. The C(9)-O(6) bond length is 1.28 Å. The C(9)-O(7) bond length is 1.22 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.37 Å. The C(10)-C(12) bond length is 1.38 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(11)-H(5) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(12)-H(6) bond length is 0.93 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1) and two equivalent Zn(2) atoms. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(8) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Zn(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(9) atom. Linkers: 12 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 4 O=[C]O[Zn@]12O[C]O[Zn](O[C]O1)O[Zn@@]1(O[C]=O)O[C]O[Zn](O[C]O1)O2. RCSR code: pcu. The MOF has largest included sphere 5.04 A, density 1.17 g/cm3, surface area 3863.13 m2/g, accessible volume 0.51 cm3/g