Zn3H18(C14O9)2(CH)4 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a Zn3H18(C14O9)2 framework. In the Zn3H18(C14O9)2 framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms to form corner-sharing ZnO6 octahedra. The corner-sharing octahedral tilt angles range from 48-64°. Both Zn(1)-O(4) bond lengths are 2.11 Å. Both Zn(1)-O(6) bond lengths are 2.20 Å. Both Zn(1)-O(7) bond lengths are 2.08 Å. In the second Zn site, Zn(2) is bonded to one O(3), one O(5), one O(8), one O(9), and two equivalent O(7) atoms to form a mixture of edge and corner-sharing ZnO6 octahedra. The corner-sharing octahedral tilt angles range from 48-64°. The Zn(2)-O(3) bond length is 2.18 Å. The Zn(2)-O(5) bond length is 2.09 Å. The Zn(2)-O(8) bond length is 2.16 Å. The Zn(2)-O(9) bond length is 2.13 Å. There is one shorter (2.06 Å) and one longer (2.17 Å) Zn(2)-O(7) bond length. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(13), one C(16), and one C(2) atom. The C(1)-C(13) bond length is 1.40 Å. The C(1)-C(16) bond length is 1.50 Å. The C(1)-C(2) bond length is 1.40 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(14), one C(15), and one C(3) atom. The C(4)-C(14) bond length is 1.40 Å. The C(4)-C(15) bond length is 1.50 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(11) and one H(3) atom. The C(5)-C(11) bond length is 1.40 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(8) is bonded in a distorted single-bond geometry to one C(12) and one H(6) atom. The C(8)-C(12) bond length is 1.40 Å. The C(8)-H(6) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(12), one C(13), and one O(2) atom. The C(9)-C(12) bond length is 1.48 Å. The C(9)-C(13) bond length is 1.48 Å. The C(9)-O(2) bond length is 1.24 Å. In the eighth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(14), and one O(1) atom. The C(10)-C(11) bond length is 1.48 Å. The C(10)-C(14) bond length is 1.48 Å. The C(10)-O(1) bond length is 1.24 Å. In the ninth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(5) atom. The C(11)-C(12) bond length is 1.41 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(8), and one C(9) atom. In the eleventh C site, C(13) is bonded in a trigonal planar geometry to one C(1), one C(14), and one C(9) atom. The C(13)-C(14) bond length is 1.41 Å. In the twelfth C site, C(14) is bonded in a trigonal planar geometry to one C(10), one C(13), and one C(4) atom. In the thirteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(5), and one O(6) atom. The C(15)-O(5) bond length is 1.26 Å. The C(15)-O(6) bond length is 1.28 Å. In the fourteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(3), and one O(4) atom. The C(16)-O(3) bond length is 1.28 Å. The C(16)-O(4) bond length is 1.26 Å. There are nine 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(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one O(7) atom. The H(7)-O(7) bond length is 0.98 Å. In the sixth H site, H(8) is bonded in a single-bond geometry to one O(8) atom. The H(8)-O(8) bond length is 0.99 Å. In the seventh H site, H(9) is bonded in a single-bond geometry to one O(8) atom. The H(9)-O(8) bond length is 1.00 Å. In the eighth H site, H(10) is bonded in a single-bond geometry to one O(9) atom. The H(10)-O(9) bond length is 0.99 Å. In the ninth H site, H(11) is bonded in a single-bond geometry to one O(9) atom. The H(11)-O(9) bond length is 0.97 Å. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(15) atom. In the second O site, O(6) is bonded in a 1-coordinate geometry to one Zn(1) and one C(15) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one Zn(1), two equivalent Zn(2), and one H(7) atom. In the fourth O site, O(8) is bonded in a distorted water-like geometry to one Zn(2), one H(8), and one H(9) atom. In the fifth O site, O(9) is bonded in a distorted water-like geometry to one Zn(2), one H(10), and one H(11) atom. In the sixth O site, O(1) is bonded in a single-bond geometry to one C(10) atom. In the seventh O site, O(2) is bonded in a single-bond geometry to one C(9) atom. In the eighth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(16) atom. In the ninth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(16) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)c2c1C(=O)c1ccccc1C2=O. Metal clusters: 6 [Zn]. The MOF has largest included sphere 2.42 A, density 1.95 g/cm3, surface area 3229.56 m2/g, accessible volume 0.13 cm3/g