Zn5C27H9O19 crystallizes in the orthorhombic Ibam space group. There are seven inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted square co-planar geometry to two equivalent O(13) and two equivalent O(8) atoms. Both Zn(1)-O(13) bond lengths are 2.07 Å. Both Zn(1)-O(8) bond lengths are 2.02 Å. In the second Zn site, Zn(2) is bonded to one O(18), one O(19), one O(3), and one O(4) atom to form distorted ZnO4 tetrahedra that share  a cornercorner with one Zn(2)O4 tetrahedra and  a cornercorner with one Zn(4)O5 trigonal bipyramid. The Zn(2)-O(18) bond length is 1.96 Å. The Zn(2)-O(19) bond length is 2.06 Å. The Zn(2)-O(3) bond length is 1.96 Å. The Zn(2)-O(4) bond length is 2.48 Å. In the third Zn site, Zn(3) is bonded in a 5-coordinate geometry to one O(19), two equivalent O(4), and two equivalent O(5) atoms. The Zn(3)-O(19) bond length is 1.89 Å. Both Zn(3)-O(4) bond lengths are 2.39 Å. Both Zn(3)-O(5) bond lengths are 2.12 Å. In the fourth Zn site, Zn(4) is bonded to one O(19), two equivalent O(15), and two equivalent O(6) atoms to form distorted corner-sharing ZnO5 trigonal bipyramids. The Zn(4)-O(19) bond length is 1.97 Å. Both Zn(4)-O(15) bond lengths are 2.06 Å. Both Zn(4)-O(6) bond lengths are 2.05 Å. In the fifth Zn site, Zn(5) is bonded to one O(10), one O(12), one O(16), and one O(17) atom to form ZnO4 tetrahedra that share  a cornercorner with one Zn(6)O5 square pyramid and  a cornercorner with one Zn(5)O4 tetrahedra. The Zn(5)-O(10) bond length is 1.98 Å. The Zn(5)-O(12) bond length is 1.96 Å. The Zn(5)-O(16) bond length is 1.93 Å. The Zn(5)-O(17) bond length is 1.97 Å. In the sixth Zn site, Zn(6) is bonded to one O(17), two equivalent O(14), and two equivalent O(7) atoms to form corner-sharing ZnO5 square pyramids. The Zn(6)-O(17) bond length is 2.14 Å. Both Zn(6)-O(14) bond lengths are 2.07 Å. Both Zn(6)-O(7) bond lengths are 2.09 Å. In the seventh Zn site, Zn(7) is bonded in a distorted square co-planar geometry to one O(1), one O(11), one O(20), and one O(9) atom. The Zn(7)-O(1) bond length is 2.08 Å. The Zn(7)-O(11) bond length is 2.07 Å. The Zn(7)-O(20) bond length is 2.02 Å. The Zn(7)-O(9) bond length is 2.02 Å. There are twenty-seven inequivalent C sites. In the first C site, C(20) is bonded in a distorted single-bond geometry to one C(15), one C(18), and one H(3) atom. The C(20)-C(15) bond length is 1.40 Å. The C(20)-C(18) bond length is 1.40 Å. The C(20)-H(3) bond length is 0.93 Å. In the second C site, C(21) is bonded in a bent 120 degrees geometry to one C(15), one O(13), and one O(8) atom. The C(21)-C(15) bond length is 1.49 Å. The C(21)-O(13) bond length is 1.26 Å. The C(21)-O(8) bond length is 1.23 Å. In the third C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(16), and one O(2) atom. The C(22)-C(14) bond length is 1.51 Å. The C(22)-O(16) bond length is 1.21 Å. The C(22)-O(2) bond length is 1.33 Å. In the fourth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(12), and one O(7) atom. The C(23)-C(13) bond length is 1.52 Å. The C(23)-O(12) bond length is 1.26 Å. The C(23)-O(7) bond length is 1.20 Å. In the fifth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(26), one O(3), and one O(5) atom. The C(24)-C(26) bond length is 1.50 Å. The C(24)-O(3) bond length is 1.30 Å. The C(24)-O(5) bond length is 1.22 Å. In the sixth C site, C(25) is bonded in a trigonal planar geometry to one C(1), one C(12), and one C(9) atom. The C(25)-C(1) bond length is 1.49 Å. The C(25)-C(12) bond length is 1.39 Å. The C(25)-C(9) bond length is 1.39 Å. In the seventh C site, C(26) is bonded in a trigonal planar geometry to one C(24), one C(7), and one C(8) atom. The C(26)-C(7) bond length is 1.40 Å. The C(26)-C(8) bond length is 1.38 Å. In the eighth C site, C(27) is bonded in a distorted single-bond geometry to one C(14), one C(17), and one H(7) atom. The C(27)-C(14) bond length is 1.37 Å. The C(27)-C(17) bond length is 1.40 Å. The C(27)-H(7) bond length is 0.93 Å. In the ninth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(25), one O(15), and one O(18) atom. The C(1)-O(15) bond length is 1.21 Å. The C(1)-O(18) bond length is 1.24 Å. In the tenth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(10), and one O(14) atom. The C(2)-C(18) bond length is 1.49 Å. The C(2)-O(10) bond length is 1.29 Å. The C(2)-O(14) bond length is 1.22 Å. In the eleventh C site, C(3) is bonded in a single-bond geometry to one C(15), one C(16), and one H(8) atom. The C(3)-C(15) bond length is 1.40 Å. The C(3)-C(16) bond length is 1.39 Å. The C(3)-H(8) bond length is 0.93 Å. In the twelfth C site, C(4) is bonded in a distorted single-bond geometry to one C(10), one C(13), and one H(1) atom. The C(4)-C(10) bond length is 1.39 Å. The C(4)-C(13) bond length is 1.39 Å. The C(4)-H(1) bond length is 0.93 Å. In the thirteenth C site, C(5) is bonded in a bent 120 degrees geometry to one C(17), one O(1), and one O(20) atom. The C(5)-C(17) bond length is 1.49 Å. The C(5)-O(1) bond length is 1.24 Å. The C(5)-O(20) bond length is 1.27 Å. In the fourteenth C site, C(6) is bonded in a distorted single-bond geometry to one C(16), one C(18), and one H(4) atom. The C(6)-C(16) bond length is 1.39 Å. The C(6)-C(18) bond length is 1.37 Å. The C(6)-H(4) bond length is 0.93 Å. In the fifteenth C site, C(7) is bonded in a single-bond geometry to one C(14), one C(26), and one H(2) atom. The C(7)-C(14) bond length is 1.39 Å. The C(7)-H(2) bond length is 0.93 Å. In the sixteenth C site, C(8) is bonded in a distorted single-bond geometry to one C(17), one C(26), and one H(9) atom. The C(8)-C(17) bond length is 1.39 Å. The C(8)-H(9) bond length is 0.93 Å. In the seventeenth C site, C(9) is bonded in a distorted single-bond geometry to one C(13), one C(25), and one H(6) atom. The C(9)-C(13) bond length is 1.40 Å. The C(9)-H(6) bond length is 0.93 Å. In the eighteenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(4) atom. The C(10)-C(11) bond length is 1.51 Å. The C(10)-C(12) bond length is 1.38 Å. In the nineteenth C site, C(11) is bonded in a bent 120 degrees geometry to one C(10), one O(11), and one O(9) atom. The C(11)-O(11) bond length is 1.27 Å. The C(11)-O(9) bond length is 1.25 Å. In the twentieth C site, C(12) is bonded in a distorted single-bond geometry to one C(10), one C(25), and one H(5) atom. The C(12)-H(5) bond length is 0.93 Å. In the twenty-first C site, C(13) is bonded in a trigonal planar geometry to one C(23), one C(4), and one C(9) atom. In the twenty-second C site, C(14) is bonded in a trigonal planar geometry to one C(22), one C(27), and one C(7) atom. In the twenty-third C site, C(15) is bonded in a trigonal planar geometry to one C(20), one C(21), and one C(3) atom. In the twenty-fourth C site, C(16) is bonded in a trigonal planar geometry to one C(19), one C(3), and one C(6) atom. The C(16)-C(19) bond length is 1.50 Å. In the twenty-fifth C site, C(17) is bonded in a trigonal planar geometry to one C(27), one C(5), and one C(8) atom. In the twenty-sixth C site, C(18) is bonded in a trigonal planar geometry to one C(2), one C(20), and one C(6) atom. In the twenty-seventh C site, C(19) is bonded in a bent 120 degrees geometry to one C(16), one O(4), and one O(6) atom. The C(19)-O(4) bond length is 1.35 Å. The C(19)-O(6) bond length is 1.18 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(20) 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(12) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(27) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(3) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(8) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Zn(7) and one C(5) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(22) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(24) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Zn(2), one Zn(3), and one C(19) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one C(24) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(4) and one C(19) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Zn(6) and one C(23) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(21) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(7) and one C(11) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(5) and one C(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Zn(7) and one C(11) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Zn(5) and one C(23) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(21) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Zn(6) and one C(2) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Zn(4) and one C(1) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Zn(5) and one C(22) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal non-coplanar geometry to one Zn(6) and two equivalent Zn(5) atoms. In the eighteenth O site, O(18) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(1) atom. In the nineteenth O site, O(19) is bonded in a see-saw-like geometry to one Zn(3), one Zn(4), and two equivalent Zn(2) atoms. In the twentieth O site, O(20) is bonded in a distorted bent 150 degrees geometry to one Zn(7) and one C(5) atom. Linkers: 24 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 6 [C]1O[Zn]23O[C]O[Zn](O1)(O[C]O2)O[C]O3 ,3 [O][C]O[Zn]12(O[C][O])O[C]O[Zn]O[C]O[Zn](O[C]O[Zn]O[C]O1)O2 ,1 [O][C]O[Zn]12(O[C][O])O[C]O[Zn]3O[C]O[Zn]34(O[C]O[Zn]4O[C]O1)O2 ,4 [O][C]O[Zn@]12O[C]O[Zn]3(O[C]O[Zn@](O[C][O])(O[C]O3)O1)O[C]O2. The MOF has largest included sphere 10.93 A, density 1.00 g/cm3, surface area 3307.29 m2/g, accessible volume 0.72 cm3/g