Zn3C15H5O11 crystallizes in the hexagonal P6_3cm space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form corner-sharing ZnO4 tetrahedra. The Zn(1)-O(1) bond length is 1.96 Å. The Zn(1)-O(4) bond length is 1.93 Å. The Zn(1)-O(5) bond length is 1.98 Å. The Zn(1)-O(6) bond length is 1.98 Å. In the second Zn site, Zn(2) is bonded in a distorted T-shaped geometry to one O(6) and two equivalent O(3) atoms. The Zn(2)-O(6) bond length is 2.06 Å. Both Zn(2)-O(3) bond lengths are 2.07 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.53 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.18 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(3) atoms. There is one shorter (1.35 Å) and one longer (1.39 Å) C(2)-C(3) bond length. In the third C site, C(3) is bonded in a distorted single-bond geometry to two equivalent 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 bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(4)-C(5) bond length is 1.51 Å. The C(4)-O(3) bond length is 1.22 Å. The C(4)-O(4) bond length is 1.25 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(9) atom. The C(5)-C(6) bond length is 1.42 Å. The C(5)-C(9) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(2) atom. The C(6)-C(7) bond length is 1.36 Å. The C(6)-H(2) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(8) and two equivalent C(6) atoms. The C(7)-C(8) bond length is 1.54 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(7) and two equivalent O(5) atoms. Both C(8)-O(5) bond lengths are 1.22 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to two equivalent C(5) and one H(3) atom. The C(9)-H(3) bond length is 0.93 Å. There are three 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(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(9) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to 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(4) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(4) 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 trigonal non-coplanar geometry to one Zn(2) and two equivalent Zn(1) atoms. Linkers: 11 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 6 O=[C]O[Zn@]12O[C]O[Zn]O[C]O[Zn@](O[C]=O)(O[C]O1)O2. RCSR code: qnb. The MOF has largest included sphere 6.38 A, density 1.03 g/cm3, surface area 3414.80 m2/g, accessible volume 0.59 cm3/g