ZnC20H13(N2O3)2CH crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules inside a ZnC20H13(N2O3)2 framework. In the ZnC20H13(N2O3)2 framework, Zn(1) is bonded in a tetrahedral geometry to one N(2), one N(4), one O(2), and one O(4) atom. The Zn(1)-N(2) bond length is 1.99 Å. The Zn(1)-N(4) bond length is 2.01 Å. The Zn(1)-O(2) bond length is 1.96 Å. The Zn(1)-O(4) bond length is 2.00 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(9) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.41 Å. The C(1)-C(9) bond length is 1.46 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(12), one C(2), and one C(4) atom. The C(3)-C(12) bond length is 1.46 Å. The C(3)-C(4) bond length is 1.41 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-H(4) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(5) atom. The C(7)-N(1) bond length is 1.35 Å. The C(7)-N(2) bond length is 1.34 Å. The C(7)-H(5) bond length is 1.09 Å. In the seventh C site, C(8) is bonded in a distorted trigonal planar geometry to one C(9), one N(2), and one H(6) atom. The C(8)-C(9) bond length is 1.39 Å. The C(8)-N(2) bond length is 1.38 Å. The C(8)-H(6) bond length is 1.08 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(1), one C(8), and one N(1) atom. The C(9)-N(1) bond length is 1.39 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(7) atom. The C(10)-N(3) bond length is 1.34 Å. The C(10)-N(4) bond length is 1.33 Å. The C(10)-H(7) bond length is 1.08 Å. In the tenth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one N(4), and one H(8) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-N(4) bond length is 1.38 Å. The C(11)-H(8) bond length is 1.08 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(3), and one N(3) atom. The C(12)-N(3) bond length is 1.39 Å. In the twelfth C site, C(13) is bonded in a trigonal planar geometry to one C(14), one C(18), and one C(19) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-C(18) bond length is 1.40 Å. The C(13)-C(19) bond length is 1.50 Å. In the thirteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one H(9) atom. The C(14)-C(15) bond length is 1.39 Å. The C(14)-H(9) bond length is 1.09 Å. In the fourteenth C site, C(15) is bonded in a trigonal planar geometry to one C(14), one C(16), and one C(20) atom. The C(15)-C(16) bond length is 1.40 Å. The C(15)-C(20) bond length is 1.50 Å. In the fifteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(15), one C(17), and one H(10) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(10) bond length is 1.09 Å. In the sixteenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(21) atom. The C(17)-C(18) bond length is 1.40 Å. The C(17)-C(21) bond length is 1.50 Å. In the seventeenth C site, C(18) is bonded in a distorted single-bond geometry to one C(13), one C(17), and one H(11) atom. The C(18)-H(11) bond length is 1.09 Å. In the eighteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(1), and one O(2) atom. The C(19)-O(1) bond length is 1.26 Å. The C(19)-O(2) bond length is 1.28 Å. In the nineteenth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(3), and one O(4) atom. The C(20)-O(3) bond length is 1.26 Å. The C(20)-O(4) bond length is 1.29 Å. In the twentieth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(5), and one O(6) atom. The C(21)-O(5) bond length is 1.32 Å. The C(21)-O(6) bond length is 1.24 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(7), one C(9), and one H(13) atom. The N(1)-H(13) bond length is 1.04 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(7), and one C(8) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(10), one C(12), and one H(14) atom. The N(3)-H(14) bond length is 1.05 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(11) atom. There are thirteen 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(4) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(16) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(18) atom. In the eleventh H site, H(12) is bonded in a linear geometry to one O(1) and one O(5) atom. The H(12)-O(1) bond length is 1.46 Å. The H(12)-O(5) bond length is 1.05 Å. In the twelfth H site, H(13) is bonded in a single-bond geometry to one N(1) atom. In the thirteenth H site, H(14) is bonded in a distorted linear geometry to one N(3) and one O(3) atom. The H(14)-O(3) bond length is 1.68 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one C(19) and one H(12) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(19) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one C(20) and one H(14) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Zn(1) and one C(20) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(21) and one H(12) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(21) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)cc(C(=O)O)c1 ,2 c1cc(-c2cnc[nH]2)cc(-c2cnc[nH]2)c1. Metal clusters: 2 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 2.05 A, density 1.74 g/cm3, surface area 4190.60 m2/g, accessible volume 0.12 cm3/g