ZnC12H5O5CH2(CH3)2 crystallizes in the trigonal R3 space group. The structure consists of eighteen 02329_fluka molecules and thirty-six 02329_fluka molecules inside a ZnC12H5O5 framework. In the ZnC12H5O5 framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 4-coordinate geometry to one O(2), one O(4), one O(8), and one O(9) atom. The Zn(1)-O(2) bond length is 2.03 Å. The Zn(1)-O(4) bond length is 2.02 Å. The Zn(1)-O(8) bond length is 2.01 Å. The Zn(1)-O(9) bond length is 2.04 Å. In the second Zn site, Zn(2) is bonded in a distorted square co-planar geometry to one O(1), one O(10), one O(3), and one O(7) atom. The Zn(2)-O(1) bond length is 2.01 Å. The Zn(2)-O(10) bond length is 2.01 Å. The Zn(2)-O(3) bond length is 2.04 Å. The Zn(2)-O(7) bond length is 2.03 Å. There are twenty-four inequivalent C sites. In the first C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(2) atom. The C(5)-C(4) bond length is 1.39 Å. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(2) bond length is 0.95 Å. In the second C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(9) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-C(9) bond length is 1.57 Å. In the third C site, C(7) is bonded in a single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-C(2) bond length is 1.39 Å. The C(7)-H(3) bond length is 0.95 Å. In the fourth C site, C(8) is bonded in a bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(8)-C(4) bond length is 1.49 Å. The C(8)-O(3) bond length is 1.26 Å. The C(8)-O(4) bond length is 1.17 Å. In the fifth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(6) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(14) bond length is 1.39 Å. In the sixth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one O(6) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-O(6) bond length is 1.47 Å. In the seventh 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 1.39 Å. The C(11)-H(4) bond length is 0.95 Å. In the eighth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(25) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-C(25) bond length is 1.50 Å. In the ninth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one O(5) atom. The C(13)-O(5) bond length is 1.33 Å. In the tenth C site, C(14) is bonded in a distorted single-bond geometry to one C(9) and one H(5) atom. The C(14)-H(5) bond length is 0.95 Å. In the eleventh C site, C(15) is bonded in a distorted bent 120 degrees geometry to one H(6) and one O(5) atom. The C(15)-H(6) bond length is 1.00 Å. The C(15)-O(5) bond length is 1.36 Å. In the twelfth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one H(15) and one O(6) atom. The C(19)-H(15) bond length is 1.00 Å. The C(19)-O(6) bond length is 1.53 Å. In the thirteenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(29), one O(7), and one O(8) atom. The C(23)-C(29) bond length is 1.54 Å. The C(23)-O(7) bond length is 1.34 Å. The C(23)-O(8) bond length is 1.27 Å. In the fourteenth C site, C(24) is bonded in a bent 120 degrees geometry to one C(27), one O(10), and one O(9) atom. The C(24)-C(27) bond length is 1.37 Å. The C(24)-O(10) bond length is 1.26 Å. The C(24)-O(9) bond length is 1.34 Å. In the fifteenth C site, C(25) is bonded in a trigonal planar geometry to one C(12), one C(26), and one C(30) atom. The C(25)-C(26) bond length is 1.39 Å. The C(25)-C(30) bond length is 1.39 Å. In the sixteenth C site, C(26) is bonded in a distorted single-bond geometry to one C(25), one C(27), and one H(24) atom. The C(26)-C(27) bond length is 1.39 Å. The C(26)-H(24) bond length is 0.95 Å. In the seventeenth C site, C(27) is bonded in a trigonal planar geometry to one C(24), one C(26), and one C(28) atom. The C(27)-C(28) bond length is 1.39 Å. In the eighteenth C site, C(28) is bonded in a distorted single-bond geometry to one C(27), one C(29), and one H(25) atom. The C(28)-C(29) bond length is 1.39 Å. The C(28)-H(25) bond length is 0.95 Å. In the nineteenth C site, C(29) is bonded in a trigonal planar geometry to one C(23), one C(28), and one C(30) atom. The C(29)-C(30) bond length is 1.39 Å. In the twentieth C site, C(30) is bonded in a distorted single-bond geometry to one C(25), one C(29), and one H(26) atom. The C(30)-H(26) bond length is 0.95 Å. In the twenty-first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.58 Å. The C(1)-O(1) bond length is 1.19 Å. The C(1)-O(2) bond length is 1.26 Å. In the twenty-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 1.39 Å. In the twenty-third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(1) bond length is 0.95 Å. In the twenty-fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. There are ten 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(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) 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(14) 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(15) is bonded in a single-bond geometry to one C(19) atom. In the eighth H site, H(24) is bonded in a single-bond geometry to one C(26) atom. In the ninth H site, H(25) is bonded in a single-bond geometry to one C(28) atom. In the tenth H site, H(26) is bonded in a single-bond geometry to one C(30) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(1) atom. 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 120 degrees geometry to one Zn(2) and one C(8) atom. In the fourth O site, O(4) is bonded in a distorted 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 150 degrees geometry to one C(13) and one C(15) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one C(10) and one C(19) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) 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(23) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(24) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(24) atom. Linkers: 9 CC[C@@H](C)Oc1cc(-c2cc(C([O])=O)cc(C([O])=O)c2)c(O[C@H](C)CC)cc1-c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 9 [C]1O[Zn]23O[C]O[Zn](O1)(O[C]O2)O[C]O3. RCSR code: nbo. The MOF has largest included sphere 9.86 A, density 0.85 g/cm3, surface area 4294.62 m2/g, accessible volume 0.77 cm3/g