Zn4C54H48O13 crystallizes in the trigonal R-3c space group. The structure consists of a Zn4C54H48O13 framework. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(5) and three equivalent O(3) atoms to form corner-sharing ZnO4 tetrahedra. The Zn(1)-O(5) bond length is 1.95 Å. All Zn(1)-O(3) bond lengths are 1.95 Å. In the second Zn site, Zn(2) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form corner-sharing ZnO4 tetrahedra. The Zn(2)-O(1) bond length is 1.96 Å. The Zn(2)-O(2) bond length is 1.97 Å. The Zn(2)-O(4) bond length is 1.97 Å. The Zn(2)-O(5) bond length is 1.96 Å. There are eighteen inequivalent C sites. In the first C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(9), and one H(4) atom. The C(13)-C(12) bond length is 1.40 Å. The C(13)-C(9) bond length is 1.40 Å. The C(13)-H(4) bond length is 1.09 Å. In the second C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(12) atom. The C(3)-C(1) bond length is 1.49 Å. The C(3)-C(11) bond length is 1.41 Å. The C(3)-C(12) bond length is 1.41 Å. In the third C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(2), and one O(3) atom. The C(14)-C(9) bond length is 1.49 Å. The C(14)-O(2) bond length is 1.28 Å. The C(14)-O(3) bond length is 1.28 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(17), and one C(5) atom. The C(4)-C(1) bond length is 1.41 Å. The C(4)-C(17) bond length is 1.50 Å. The C(4)-C(5) bond length is 1.40 Å. In the fifth C site, C(15) is bonded in a distorted trigonal non-coplanar geometry to one C(11), one H(5), one H(6), and one H(7) atom. The C(15)-C(11) bond length is 1.51 Å. The C(15)-H(5) bond length is 1.10 Å. The C(15)-H(6) bond length is 1.10 Å. The C(15)-H(7) bond length is 1.10 Å. In the sixth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(5)-C(2) bond length is 1.40 Å. The C(5)-H(1) bond length is 1.09 Å. In the seventh C site, C(16) is bonded in a distorted trigonal non-coplanar geometry to one C(12), one H(10), one H(8), and one H(9) atom. The C(16)-C(12) bond length is 1.50 Å. The C(16)-H(10) bond length is 1.10 Å. The C(16)-H(8) bond length is 1.10 Å. The C(16)-H(9) bond length is 1.10 Å. In the eighth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(2), one C(7), and one H(2) atom. The C(6)-C(2) bond length is 1.40 Å. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(2) bond length is 1.09 Å. In the ninth C site, C(17) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one H(11), one H(12), and one H(13) atom. The C(17)-H(11) bond length is 1.10 Å. The C(17)-H(12) bond length is 1.10 Å. The C(17)-H(13) bond length is 1.10 Å. In the tenth C site, C(7) is bonded in a trigonal planar geometry to one C(1), one C(18), and one C(6) atom. The C(7)-C(1) bond length is 1.41 Å. The C(7)-C(18) bond length is 1.51 Å. In the eleventh C site, C(18) is bonded in a distorted trigonal non-coplanar geometry to one C(7), one H(14), one H(15), and one H(16) atom. The C(18)-H(14) bond length is 1.10 Å. The C(18)-H(15) bond length is 1.10 Å. The C(18)-H(16) bond length is 1.10 Å. In the twelfth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(4) atom. The C(8)-C(2) bond length is 1.49 Å. The C(8)-O(1) bond length is 1.28 Å. The C(8)-O(4) bond length is 1.28 Å. In the thirteenth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(13), and one C(14) atom. The C(9)-C(10) bond length is 1.40 Å. In the fourteenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(3) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(3) bond length is 1.09 Å. In the fifteenth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(15), and one C(3) atom. In the sixteenth C site, C(1) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(7) atom. In the seventeenth C site, C(12) is bonded in a trigonal planar geometry to one C(13), one C(16), and one C(3) atom. In the eighteenth C site, C(2) is bonded in a trigonal planar geometry to one C(5), one C(6), and one C(8) atom. There are sixteen inequivalent H sites. In the first H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the second H site, H(9) is bonded in a single-bond geometry to one C(16) atom. In the third H site, H(10) is bonded in a single-bond geometry to one C(16) atom. In the fourth H site, H(11) is bonded in a single-bond geometry to one C(17) atom. In the fifth H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(17) atom. In the seventh H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the eighth H site, H(13) is bonded in a single-bond geometry to one C(17) atom. In the ninth H site, H(3) is bonded in a single-bond geometry to one C(10) atom. In the tenth H site, H(14) is bonded in a single-bond geometry to one C(18) atom. In the eleventh H site, H(4) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(15) is bonded in a single-bond geometry to one C(18) atom. In the thirteenth H site, H(5) is bonded in a single-bond geometry to one C(15) atom. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one C(18) atom. In the fifteenth H site, H(6) is bonded in a single-bond geometry to one C(15) atom. In the sixteenth H site, H(7) is bonded in a single-bond geometry to one C(15) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(8) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(14) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(14) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a tetrahedral geometry to one Zn(1) and three equivalent Zn(2) atoms. Linkers: 12 Cc1cc(C([O])=O)cc(C)c1-c1c(C)cc(C([O])=O)cc1C. Metal clusters: 4 [C]1O[Zn]2O[C]O[Zn@]34O[C]O[Zn](O1)O[C]O[Zn@](O[C]O2)(O[C]O3)O4. RCSR code: pcu. The MOF has largest included sphere 9.79 A, density 0.78 g/cm3, surface area 4901.32 m2/g, accessible volume 0.93 cm3/g