CdC12N2H9O5 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to one N(2), one N(3), one O(10), one O(2), one O(3), and one O(9) atom. The Cd(1)-N(2) bond length is 2.45 Å. The Cd(1)-N(3) bond length is 2.31 Å. The Cd(1)-O(10) bond length is 2.32 Å. The Cd(1)-O(2) bond length is 2.27 Å. The Cd(1)-O(3) bond length is 2.50 Å. The Cd(1)-O(9) bond length is 2.49 Å. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one N(1), one N(4), one O(5), one O(6), one O(7), and one O(8) atom. The Cd(2)-N(1) bond length is 2.34 Å. The Cd(2)-N(4) bond length is 2.34 Å. The Cd(2)-O(5) bond length is 2.55 Å. The Cd(2)-O(6) bond length is 2.20 Å. The Cd(2)-O(7) bond length is 2.63 Å. The Cd(2)-O(8) bond length is 2.37 Å. There are twenty-four inequivalent C sites. In the first C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(10), and one O(9) atom. The C(13)-C(11) bond length is 1.49 Å. The C(13)-O(10) bond length is 1.28 Å. The C(13)-O(9) bond length is 1.27 Å. In the second C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(7), and one O(8) atom. The C(14)-C(10) bond length is 1.51 Å. The C(14)-O(7) bond length is 1.27 Å. The C(14)-O(8) bond length is 1.27 Å. In the third C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(16), one N(3), and one H(7) atom. The C(15)-C(16) bond length is 1.38 Å. The C(15)-N(3) bond length is 1.34 Å. The C(15)-H(7) bond length is 1.09 Å. In the fourth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(17), and one H(8) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(8) bond length is 1.09 Å. In the fifth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(17), and one C(18) atom. The C(17)-C(17) bond length is 1.48 Å. The C(17)-C(18) bond length is 1.41 Å. In the sixth C site, C(18) is bonded in a distorted single-bond geometry to one C(17) and one H(9) atom. The C(18)-H(9) bond length is 1.09 Å. In the seventh C site, C(19) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(10) atom. The C(19)-N(3) bond length is 1.34 Å. The C(19)-H(10) bond length is 1.09 Å. In the eighth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(21), one N(4), and one H(11) atom. The C(20)-C(21) bond length is 1.39 Å. The C(20)-N(4) bond length is 1.35 Å. The C(20)-H(11) bond length is 1.09 Å. In the ninth C site, C(21) is bonded in a distorted single-bond geometry to one C(20), one C(22), and one H(12) atom. The C(21)-C(22) bond length is 1.40 Å. The C(21)-H(12) bond length is 1.09 Å. In the tenth C site, C(22) is bonded in a trigonal planar geometry to one C(21), one C(22), and one C(23) atom. The C(22)-C(22) bond length is 1.48 Å. The C(22)-C(23) bond length is 1.41 Å. In the eleventh C site, C(23) is bonded in a distorted single-bond geometry to one C(22) and one H(13) atom. The C(23)-H(13) bond length is 1.09 Å. In the twelfth C site, C(24) is bonded in a distorted trigonal planar geometry to one N(4) and one H(14) atom. The C(24)-N(4) bond length is 1.35 Å. The C(24)-H(14) bond length is 1.09 Å. In the thirteenth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(2) bond length is 1.28 Å. In the fourteenth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(6) bond length is 1.40 Å. In the fifteenth C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(7) bond length is 1.51 Å. In the sixteenth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(1) atom. The C(4)-N(1) bond length is 1.34 Å. The C(4)-H(1) bond length is 1.09 Å. In the seventeenth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one H(2) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(2) bond length is 1.09 Å. In the eighteenth C site, C(6) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the nineteenth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(6) atom. The C(7)-O(4) bond length is 1.25 Å. The C(7)-O(6) bond length is 1.29 Å. In the twentieth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(4) atom. The C(8)-N(2) bond length is 1.35 Å. The C(8)-H(4) bond length is 1.09 Å. In the twenty-first C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-H(5) bond length is 1.09 Å. In the twenty-second C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(14), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. In the twenty-third C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(13) atom. The C(11)-C(12) bond length is 1.40 Å. In the twenty-fourth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(11), one N(2), and one H(6) atom. The C(12)-N(2) bond length is 1.34 Å. The C(12)-H(6) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(2), one C(4), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one C(12), and one C(8) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(15), and one C(19) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cd(2), one C(20), and one C(24) atom. There are eighteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(18) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(19) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(20) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(21) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(23) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(24) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(3) atom. The H(15)-O(3) bond length is 0.98 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(3) atom. The H(16)-O(3) bond length is 0.99 Å. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one O(5) atom. The H(17)-O(5) bond length is 0.97 Å. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one O(5) atom. The H(18)-O(5) bond length is 0.98 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one Cd(1) and one C(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Cd(1), one H(15), and one H(16) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Cd(2), one H(17), and one H(18) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(7) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cd(2) and one C(14) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Cd(2) and one C(14) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cd(1) and one C(13) atom. In the tenth O site, O(10) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(13) atom. Linkers: 1 O.[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]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]C=[CH].[C]O[Cd].[C]O[Cd]N=[CH].[C][CH].[C][CH].[C][C].[C][C].[C][C]/C=N\[C]=C/[C].[C][C]C([O])=O.[Cd].[Cd].[Cd].[Cd].[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].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[OH].[OH].[OH].[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].[O].[O].[O].[O].[O].[O].[O][C]=O.[c]1[c][c]n[c][c]1 ,2 c1cc(-c2ccncc2)ccn1 ,1 [CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH]N=[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]\[N].[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]N=[CH].[C][CH].[C][C].[C][C].[C][C].[C][C].[C][C][C].[C][N][C].[Cd].[Cd].[Cd].[Cd].[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].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[OH].[OH].[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].[O].[O].[O].[O][C]=O.[O][Cd].[O][Cd].[O][Cd] ,1 O.O=[C]O[Cd].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH][N].[CH][N].[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]=[CH].[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]C=[CH].[C]N([C])[Cd][O].[C]O[Cd].[C][CH][N].[C][C].[C][C]=[CH].[C][C][C]=O.[Cd].[Cd].[Cd].[Cd].[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].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[OH].[OH].[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].[O].[O].[O].[O].[O].[O][C]=O.[O][C]=O ,1 [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]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]=O.[C]N=[CH].[C]O[Cd]N=[CH].[C]O[Cd][N].[C][CH][N].[C][C].[C][C].[C][C].[C][C][C].[Cd].[Cd].[Cd].[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].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N][Cd].[OH].[OH].[OH].[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].[O].[O].[O]. Metal clusters: 4 O.O=[C]O[Cd]1O[C]O1. The MOF has largest included sphere 4.01 A, density 1.66 g/cm3, surface area 3793.58 m2/g, accessible volume 0.21 cm3/g