ZnC21N2H13O9CH crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules inside a ZnC21N2H13O9 framework. In the ZnC21N2H13O9 framework, Zn(1) is bonded in an octahedral geometry to one N(1), one N(2), one O(1), one O(2), one O(3), and one O(9) atom. The Zn(1)-N(1) bond length is 2.12 Å. The Zn(1)-N(2) bond length is 2.12 Å. The Zn(1)-O(1) bond length is 2.17 Å. The Zn(1)-O(2) bond length is 2.22 Å. The Zn(1)-O(3) bond length is 2.14 Å. The Zn(1)-O(9) bond length is 2.08 Å. There are twenty-one inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(1) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(3) atom. The C(3)-C(9) bond length is 1.41 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(9) and one H(4) atom. The C(4)-C(9) bond length is 1.43 Å. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(5)-C(10) bond length is 1.43 Å. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(6)-C(10) bond length is 1.41 Å. The C(6)-H(6) bond length is 1.09 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(8) atom. The C(8)-N(2) bond length is 1.33 Å. The C(8)-H(8) bond length is 1.09 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(4) atom. The C(9)-C(11) bond length is 1.42 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one C(12), one C(5), and one C(6) atom. The C(10)-C(12) bond length is 1.42 Å. In the tenth C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one C(9), and one N(1) atom. The C(11)-C(12) bond length is 1.44 Å. The C(11)-N(1) bond length is 1.36 Å. In the eleventh C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(11), and one N(2) atom. The C(12)-N(2) bond length is 1.35 Å. In the twelfth C site, C(13) is bonded in a distorted single-bond geometry to one C(14), one C(16), and one H(9) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-C(16) bond length is 1.40 Å. The C(13)-H(9) bond length is 1.09 Å. In the thirteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.51 Å. The C(14)-C(16) bond length is 1.41 Å. In the fourteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(1), and one O(5) atom. The C(15)-O(1) bond length is 1.30 Å. The C(15)-O(5) bond length is 1.25 Å. In the fifteenth C site, C(16) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(17) atom. The C(16)-C(17) bond length is 1.49 Å. In the sixteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(6), and one O(7) atom. The C(17)-O(6) bond length is 1.33 Å. The C(17)-O(7) bond length is 1.23 Å. In the seventeenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(2), and one O(4) atom. The C(18)-C(19) bond length is 1.51 Å. The C(18)-O(2) bond length is 1.26 Å. The C(18)-O(4) bond length is 1.28 Å. In the eighteenth C site, C(19) is bonded in a trigonal planar geometry to one C(18), one C(20), and one C(21) atom. The C(19)-C(20) bond length is 1.40 Å. The C(19)-C(21) bond length is 1.41 Å. In the nineteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one H(11) atom. The C(20)-C(21) bond length is 1.40 Å. The C(20)-H(11) bond length is 1.09 Å. In the twentieth C site, C(21) is bonded in a trigonal planar geometry to one C(19), one C(20), and one C(22) atom. The C(21)-C(22) bond length is 1.49 Å. In the twenty-first C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(21), one O(3), and one O(8) atom. The C(22)-O(3) bond length is 1.25 Å. The C(22)-O(8) bond length is 1.31 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(11) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(12), and one C(8) atom. There are thirteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the ninth H site, H(10) is bonded in a distorted linear geometry to one O(4) and one O(6) atom. The H(10)-O(4) bond length is 1.55 Å. The H(10)-O(6) bond length is 1.03 Å. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(12) is bonded in a linear geometry to one O(1) and one O(8) atom. The H(12)-O(1) bond length is 1.42 Å. The H(12)-O(8) bond length is 1.08 Å. In the twelfth H site, H(13) is bonded in a distorted single-bond geometry to one O(4) and one O(9) atom. The H(13)-O(4) bond length is 1.68 Å. The H(13)-O(9) bond length is 1.00 Å. In the thirteenth H site, H(14) is bonded in a distorted single-bond geometry to one O(5) and one O(9) atom. The H(14)-O(5) bond length is 1.68 Å. The H(14)-O(9) bond length is 1.00 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Zn(1), one C(15), and one H(12) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(18) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(22) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one C(18), one H(10), and one H(13) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one C(15) and one H(14) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one C(17) and one H(10) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(17) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one C(22) and one H(12) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Zn(1), one H(13), and one H(14) atom. Linkers: 2 [O]C(=O)c1cc(C(=O)O)c(C([O])=O)cc1C(=O)O ,2 [O]C(=O)c1cc(C([O])=O)c(C(=O)O)cc1C([O])=O. Metal clusters: 2 O.O=[C]O[Zn](O[C]O)O[C]=O. RCSR code: bex. The MOF has largest included sphere 1.88 A, density 1.79 g/cm3, surface area 3918.72 m2/g, accessible volume 0.08 cm3/g