ZnC23H25(N3O2)2 crystallizes in the orthorhombic Pbcn space group. Zn(1) is bonded in a tetrahedral geometry to one N(1), one N(3), one O(1), and one O(3) atom. The Zn(1)-N(1) bond length is 2.01 Å. The Zn(1)-N(3) bond length is 1.97 Å. The Zn(1)-O(1) bond length is 1.98 Å. The Zn(1)-O(3) bond length is 1.93 Å. There are twenty-three inequivalent C sites. In the first C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one N(4) atom. The C(7)-C(6) bond length is 1.49 Å. The C(7)-C(8) bond length is 1.41 Å. The C(7)-N(4) bond length is 1.35 Å. In the second C site, C(23) is bonded in a distorted trigonal non-coplanar geometry to one C(22), one H(23), one H(24), and one H(25) atom. The C(23)-C(22) bond length is 1.49 Å. The C(23)-H(23) bond length is 1.10 Å. The C(23)-H(24) bond length is 1.10 Å. The C(23)-H(25) bond length is 1.10 Å. In the third C site, C(8) is bonded in a trigonal planar geometry to one C(3), one C(7), and one C(9) atom. The C(8)-C(3) bond length is 1.46 Å. The C(8)-C(9) bond length is 1.41 Å. In the fourth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one N(3) atom. The C(9)-C(10) bond length is 1.49 Å. The C(9)-N(3) bond length is 1.34 Å. In the fifth C site, C(10) is bonded in a distorted trigonal non-coplanar geometry to one C(9), one H(12), one H(13), and one H(14) atom. The C(10)-H(12) bond length is 1.10 Å. The C(10)-H(13) bond length is 1.10 Å. The C(10)-H(14) bond length is 1.10 Å. In the sixth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(1), and one O(2) atom. The C(11)-C(12) bond length is 1.50 Å. The C(11)-O(1) bond length is 1.29 Å. The C(11)-O(2) bond length is 1.26 Å. In the seventh C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(16) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(16) bond length is 1.40 Å. In the eighth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(15) atom. The C(13)-H(15) bond length is 1.09 Å. In the ninth C site, C(14) is bonded in a distorted single-bond geometry to one C(18) and one H(16) atom. The C(14)-C(18) bond length is 1.40 Å. The C(14)-H(16) bond length is 1.09 Å. In the tenth C site, C(15) is bonded in a distorted single-bond geometry to one C(18) and one H(17) atom. The C(15)-C(18) bond length is 1.40 Å. The C(15)-H(17) bond length is 1.09 Å. In the eleventh C site, C(16) is bonded in a distorted single-bond geometry to one C(12) and one H(18) atom. The C(16)-H(18) bond length is 1.09 Å. In the twelfth C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one C(2), one H(3), one H(4), and one H(5) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-H(3) bond length is 1.10 Å. The C(1)-H(4) bond length is 1.10 Å. The C(1)-H(5) bond length is 1.10 Å. In the thirteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(3), and one O(4) atom. The C(17)-C(18) bond length is 1.50 Å. The C(17)-O(3) bond length is 1.30 Å. The C(17)-O(4) bond length is 1.25 Å. In the fourteenth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(1) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-N(1) bond length is 1.35 Å. In the fifteenth C site, C(18) is bonded in a trigonal planar geometry to one C(14), one C(15), and one C(17) atom. In the sixteenth C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.41 Å. In the seventeenth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(7), one H(10), one H(11), and one H(9) atom. The C(6)-H(10) bond length is 1.10 Å. The C(6)-H(11) bond length is 1.10 Å. The C(6)-H(9) bond length is 1.10 Å. In the eighteenth C site, C(19) is bonded in a distorted trigonal non-coplanar geometry to one C(20), one H(20), one H(21), and one H(22) atom. The C(19)-C(20) bond length is 1.49 Å. The C(19)-H(20) bond length is 1.10 Å. The C(19)-H(21) bond length is 1.10 Å. The C(19)-H(22) bond length is 1.10 Å. In the nineteenth C site, C(22) is bonded in a distorted trigonal planar geometry to one C(21), one C(23), and one N(6) atom. The C(22)-C(21) bond length is 1.42 Å. The C(22)-N(6) bond length is 1.34 Å. In the twentieth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(2) atom. The C(4)-C(5) bond length is 1.49 Å. The C(4)-N(2) bond length is 1.35 Å. In the twenty-first C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one N(5) atom. The C(20)-C(21) bond length is 1.40 Å. The C(20)-N(5) bond length is 1.35 Å. In the twenty-second C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one H(6), one H(7), and one H(8) atom. The C(5)-H(6) bond length is 1.10 Å. The C(5)-H(7) bond length is 1.10 Å. The C(5)-H(8) bond length is 1.10 Å. In the twenty-third C site, C(21) is bonded in a trigonal planar geometry to one C(20), one C(21), and one C(22) atom. The C(21)-C(21) bond length is 1.46 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(2), and one N(2) atom. The N(1)-N(2) bond length is 1.36 Å. In the second N site, N(2) is bonded in a 2-coordinate geometry to one C(4), one N(1), and one H(1) atom. The N(2)-H(1) bond length is 1.07 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(9), and one N(4) atom. The N(3)-N(4) bond length is 1.36 Å. In the fourth N site, N(4) is bonded in a 2-coordinate geometry to one C(7), one N(3), and one H(2) atom. The N(4)-H(2) bond length is 1.05 Å. In the fifth N site, N(5) is bonded in a 2-coordinate geometry to one C(20), one N(6), and one H(19) atom. The N(5)-N(6) bond length is 1.35 Å. The N(5)-H(19) bond length is 1.04 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one C(22), one N(5), and one H(1) atom. The N(6)-H(1) bond length is 1.66 Å. There are twenty-five inequivalent H sites. In the first H site, H(16) is bonded in a single-bond geometry to one C(14) atom. In the second H site, H(1) is bonded in a distorted linear geometry to one N(2) and one N(6) atom. In the third H site, H(17) is bonded in a single-bond geometry to one C(15) atom. In the fourth H site, H(2) is bonded in a distorted single-bond geometry to one N(4) and one O(2) atom. The H(2)-O(2) bond length is 1.71 Å. In the fifth H site, H(18) is bonded in a single-bond geometry to one C(16) atom. In the sixth H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the seventh H site, H(19) is bonded in a distorted single-bond geometry to one N(5) and one O(4) atom. The H(19)-O(4) bond length is 1.71 Å. In the eighth H site, H(4) is bonded in a single-bond geometry to one C(1) atom. In the ninth H site, H(20) is bonded in a single-bond geometry to one C(19) atom. In the tenth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the eleventh H site, H(21) is bonded in a single-bond geometry to one C(19) atom. In the twelfth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the thirteenth H site, H(22) is bonded in a single-bond geometry to one C(19) atom. In the fourteenth H site, H(7) is bonded in a single-bond geometry to one C(5) atom. In the fifteenth H site, H(23) is bonded in a single-bond geometry to one C(23) atom. In the sixteenth H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the seventeenth H site, H(24) is bonded in a single-bond geometry to one C(23) atom. In the eighteenth H site, H(9) is bonded in a single-bond geometry to one C(6) atom. In the nineteenth H site, H(25) is bonded in a single-bond geometry to one C(23) atom. In the twentieth H site, H(10) is bonded in a single-bond geometry to one C(6) atom. In the twenty-first H site, H(11) is bonded in a single-bond geometry to one C(6) atom. In the twenty-second H site, H(12) is bonded in a single-bond geometry to one C(10) atom. In the twenty-third H site, H(13) is bonded in a single-bond geometry to one C(10) atom. In the twenty-fourth H site, H(14) is bonded in a single-bond geometry to one C(10) atom. In the twenty-fifth H site, H(15) is bonded in a single-bond geometry to one C(13) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(11) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one C(11) and one H(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(17) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one C(17) and one H(19) atom. Linkers: 1 O=[C]O[Zn].O=[C]O[Zn].[CH2].[CH2].[CH2][C][N].[CH3].[CH3].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]C(=O)O[Zn][O].[C]C=[CH].[C][CH2].[C][CH].[C][CH].[C][C].[C][C].[C][C].[C][C][NH].[C][C][N].[C][N].[C][N].[C][N].[C][N].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[NH].[NH].[NH].[NH].[NH].[NH].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N][Zn][O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O].[O][C]=O.[Zn].[Zn].[Zn] ,1 Cc1n[nH]c(C)c1-c1c(C)n[nH]c1C. Metal clusters: 2 [Zn]. The MOF has largest included sphere 3.15 A, density 1.38 g/cm3, surface area 5431.85 m2/g, accessible volume 0.24 cm3/g