ZnC18H12(NO)4(CH3)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a ZnC18H12(NO)4 framework. In the ZnC18H12(NO)4 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 2.04 Å. The Zn(1)-N(4) bond length is 2.03 Å. The Zn(1)-O(2) bond length is 1.96 Å. The Zn(1)-O(4) bond length is 1.97 Å. There are eighteen inequivalent C sites. In the first C site, C(14) is bonded in a distorted single-bond geometry to one C(15), one C(19), and one N(3) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(19) bond length is 1.42 Å. The C(14)-N(3) bond length is 1.39 Å. In the second C site, C(15) is bonded in a distorted single-bond geometry to one C(14), one C(16), and one H(16) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-H(16) bond length is 1.09 Å. In the third C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(17), and one H(17) atom. The C(16)-C(17) bond length is 1.41 Å. The C(16)-H(17) bond length is 1.09 Å. In the fourth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(20) atom. The C(17)-C(18) bond length is 1.40 Å. The C(17)-C(20) bond length is 1.50 Å. In the fifth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(17), one C(19), and one H(18) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-H(18) bond length is 1.09 Å. In the sixth C site, C(19) is bonded in a distorted single-bond geometry to one C(14), one C(18), and one N(4) atom. The C(19)-N(4) bond length is 1.40 Å. In the seventh C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(17), 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 1.30 Å. In the eighth C site, C(2) is bonded in a distorted water-like geometry to one C(3), one H(6), and one H(7) atom. The C(2)-C(3) bond length is 1.49 Å. The C(2)-H(6) bond length is 1.10 Å. The C(2)-H(7) bond length is 1.10 Å. In the ninth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one N(2) atom. The C(3)-N(1) bond length is 1.36 Å. The C(3)-N(2) bond length is 1.34 Å. In the tenth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one N(1) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(9) bond length is 1.42 Å. The C(4)-N(1) bond length is 1.38 Å. In the eleventh C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(8) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(8) bond length is 1.09 Å. In the twelfth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(9) atom. The C(6)-C(7) bond length is 1.41 Å. The C(6)-H(9) bond length is 1.09 Å. In the thirteenth C site, C(7) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(8) atom. The C(7)-C(10) bond length is 1.49 Å. The C(7)-C(8) bond length is 1.40 Å. In the fourteenth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(10) atom. The C(8)-C(9) bond length is 1.39 Å. The C(8)-H(10) bond length is 1.09 Å. In the fifteenth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one N(2) atom. The C(9)-N(2) bond length is 1.40 Å. In the sixteenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(2) atom. The C(10)-O(1) bond length is 1.26 Å. The C(10)-O(2) bond length is 1.29 Å. In the seventeenth C site, C(12) is bonded in a distorted water-like geometry to one C(13), one H(14), and one H(15) atom. The C(12)-C(13) bond length is 1.49 Å. The C(12)-H(14) bond length is 1.10 Å. The C(12)-H(15) bond length is 1.10 Å. In the eighteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one N(3), and one N(4) atom. The C(13)-N(3) bond length is 1.36 Å. The C(13)-N(4) bond length is 1.34 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(3), one C(4), and one H(1) atom. The N(1)-H(1) bond length is 1.05 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(3), and one C(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(13), one C(14), and one H(2) atom. The N(3)-H(2) 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(13), and one C(19) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one N(1) and one O(3) atom. The H(1)-O(3) bond length is 1.64 Å. In the second H site, H(2) is bonded in a distorted linear geometry to one N(3) and one O(1) atom. The H(2)-O(1) bond length is 1.64 Å. In the third H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(14) is bonded in a single-bond geometry to one C(12) atom. In the ninth H site, H(15) is bonded in a single-bond geometry to one C(12) atom. In the tenth H site, H(16) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(17) is bonded in a single-bond geometry to one C(16) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one C(18) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one C(10) and one H(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(10) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one C(20) and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(20) atom. Linkers: 4 CCc1nc2cc(C([O])=O)ccc2[nH]1. Metal clusters: 2 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 3.94 A, density 1.40 g/cm3, surface area 4769.58 m2/g, accessible volume 0.20 cm3/g