Zn3C18H7O13 crystallizes in the orthorhombic Pbca space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(13), one O(4), and one O(5) atom to form corner-sharing ZnO4 tetrahedra. The Zn(1)-O(1) bond length is 1.94 Å. The Zn(1)-O(13) bond length is 1.95 Å. The Zn(1)-O(4) bond length is 1.96 Å. The Zn(1)-O(5) bond length is 1.87 Å. In the second Zn site, Zn(2) is bonded to one O(13), one O(2), one O(7), and one O(9) atom to form corner-sharing ZnO4 tetrahedra. The Zn(2)-O(13) bond length is 1.99 Å. The Zn(2)-O(2) bond length is 1.93 Å. The Zn(2)-O(7) bond length is 1.91 Å. The Zn(2)-O(9) bond length is 1.93 Å. In the third Zn site, Zn(3) is bonded to one O(10), one O(11), one O(13), and one O(3) atom to form corner-sharing ZnO4 tetrahedra. The Zn(3)-O(10) bond length is 1.97 Å. The Zn(3)-O(11) bond length is 1.92 Å. The Zn(3)-O(13) bond length is 1.97 Å. The Zn(3)-O(3) bond length is 1.95 Å. There are eighteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.51 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-C(8) bond length is 1.49 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.38 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(9) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-C(9) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), 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 bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.25 Å. The C(7)-O(2) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.25 Å. The C(8)-O(4) bond length is 1.25 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.26 Å. The C(9)-O(6) 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(15), and one C(16) atom. The C(10)-C(11) bond length is 1.37 Å. The C(10)-C(15) bond length is 1.38 Å. The C(10)-C(16) bond length is 1.49 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(4) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-H(4) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(17) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-C(17) bond length is 1.49 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(14), and one H(5) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-H(5) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(18) atom. The C(14)-C(15) bond length is 1.38 Å. The C(14)-C(18) bond length is 1.50 Å. In the fifteenth C site, C(15) is bonded in a single-bond geometry to one C(10), one C(14), and one H(6) atom. The C(15)-H(6) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(7), and one O(8) atom. The C(16)-O(7) bond length is 1.28 Å. The C(16)-O(8) bond length is 1.23 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(10), and one O(9) atom. The C(17)-O(10) bond length is 1.25 Å. The C(17)-O(9) bond length is 1.26 Å. In the eighteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(14), one O(11), and one O(12) atom. The C(18)-O(11) bond length is 1.27 Å. The C(18)-O(12) bond length is 1.22 Å. There are seven 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(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(11) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(13) and one O(8) atom. The H(7)-O(13) bond length is 0.93 Å. The H(7)-O(8) bond length is 1.73 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(8) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees 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(1) and one C(9) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(16) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one C(16) and one H(7) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(17) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(17) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one Zn(3) and one C(18) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one C(18) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Zn(1), one Zn(2), one Zn(3), and one H(7) atom. Linkers: 16 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 8 O=[C]O[Zn]1O[C]O[Zn](O[C]=O)O[C]O[Zn](O)(O[C]=O)O[C]O1. The MOF has largest included sphere 6.83 A, density 1.08 g/cm3, surface area 3587.30 m2/g, accessible volume 0.45 cm3/g