Zn3H34(C22O5)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to two equivalent O(1); two equivalent O(3); and two O(5,5) atoms. Both Zn(1)-O(1) bond lengths are 1.98 Å. Both Zn(1)-O(3) bond lengths are 1.98 Å. Both Zn(1)-O(5,5) bond lengths are 2.04 Å. In the second Zn site, Zn(2) is bonded in a 5-coordinate geometry to one H(17); one O(2); one O(4); and two O(5,5) atoms. The Zn(2)-H(17) bond length is 2.01 Å. The Zn(2)-O(2) bond length is 1.93 Å. The Zn(2)-O(4) bond length is 1.93 Å. Both Zn(2)-O(5,5) bond lengths are 2.00 Å. There are fifteen 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 1.48 Å. The C(1)-O(1) bond length is 1.17 Å. The C(1)-O(2) bond length is 1.23 Å. In the 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 1.33 Å. The C(2)-C(7) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2); one C(4,15); and one H(1,9) atom. The C(3)-C(4,15) bond length is 1.38 Å. The C(3)-H(1,9) bond length is 0.95 Å. In the fourth C site, C(4,15) is bonded in a distorted single-bond geometry to one C(3); one C(5,16); and one H(2,10) atom. The C(4,15)-C(5,16) bond length is 1.34 Å. The C(4,15)-H(2,10) bond length is 0.95 Å. In the fifth C site, C(5,16) is bonded in a trigonal planar geometry to one C(4,15); one C(6,17); and one C(8,19) atom. The C(5,16)-C(6,17) bond length is 1.32 Å. The C(5,16)-C(8,19) bond length is 1.49 Å. In the sixth C site, C(6,17) is bonded in a distorted single-bond geometry to one C(5,16) and one H(3,11) atom. The C(6,17)-H(3,11) bond length is 0.95 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4,12) atom. The C(7)-H(4,12) bond length is 0.95 Å. In the eighth C site, C(8,19) is bonded in a trigonal planar geometry to one C(10,21); one C(5,16); and one C(9,20) atom. The C(8,19)-C(10,21) bond length is 1.32 Å. The C(8,19)-C(9,20) bond length is 1.40 Å. In the ninth C site, C(9,20) is bonded in a trigonal planar geometry to one C(10,21); one C(11,22); and one C(8,19) atom. The C(9,20)-C(10,21) bond length is 1.40 Å. The C(9,20)-C(11,22) bond length is 1.56 Å. In the tenth C site, C(10,21) is bonded in a distorted single-bond geometry to one C(8,19); one C(9,20); and one H(5,13) atom. The C(10,21)-H(5,13) bond length is 0.95 Å. In the eleventh C site, C(11,22) is bonded in a trigonal non-coplanar geometry to one C(9,20); one H(8,16); and two equivalent H(6,7,14,15) atoms. The C(11,22)-H(8,16) bond length is 0.98 Å. Both C(11,22)-H(6,7,14,15) bond lengths are 0.98 Å. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to one C(13), one O(3), and one O(4) atom. The C(12)-C(13) bond length is 1.48 Å. The C(12)-O(3) bond length is 1.17 Å. The C(12)-O(4) bond length is 1.23 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(18) atom. The C(13)-C(14) bond length is 1.33 Å. The C(13)-C(18) bond length is 1.38 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13); one C(4,15); and one H(1,9) atom. The C(14)-C(4,15) bond length is 1.38 Å. The C(14)-H(1,9) bond length is 0.95 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(13) and one H(4,12) atom. The C(18)-H(4,12) bond length is 0.95 Å. There are eight inequivalent H sites. In the first H site, H(1,9) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2,10) is bonded in a single-bond geometry to one C(4,15) atom. In the third H site, H(3,11) is bonded in a single-bond geometry to one C(6,17) atom. In the fourth H site, H(4,12) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5,13) is bonded in a single-bond geometry to one C(10,21) atom. In the sixth H site, H(6,7,14,15) is bonded in a single-bond geometry to one C(11,22) atom. In the seventh H site, H(8,16) is bonded in a single-bond geometry to one C(11,22) atom. In the eighth H site, H(17) is bonded in a single-bond geometry to one Zn(2) and one O(5) atom. The H(17)-O(5) bond length is 1.00 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(12) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(12) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Zn(1), two equivalent Zn(2), and one H(17) atom. The O(5)-H(17) bond length is 1.00 Å. In the sixth O site, O(5) is bonded in a 4-coordinate geometry to one Zn(1), two equivalent Zn(2), and one H(17) atom. Linkers: 2 Cc1cc(-c2ccc(C([O])=O)cc2)c(C)cc1-c1ccc(C([O])=O)cc1. Metal clusters: 3 [Zn]. The MOF has largest included sphere 12.58 A, density 0.73 g/cm3, surface area 4420.25 m2/g, accessible volume 1.00 cm3/g