(CdH18(C2N)9)2CdH12(C2N)6 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one CdH12(C2N)6 cluster and two CdH18(C2N)9 clusters. In the CdH12(C2N)6 cluster, Cd(2) is bonded in a linear geometry to two equivalent N(3) atoms. Both Cd(2)-N(3) bond lengths are 2.29 Å. There are six 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(7) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.51 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.94 Å. In the third 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 0.94 Å. In the fourth C site, C(7) is bonded in a distorted trigonal non-coplanar geometry to one C(1); one N(1); and two equivalent H(5,6) atoms. The C(7)-N(1) bond length is 1.44 Å. Both C(7)-H(5,6) bond lengths are 0.98 Å. In the fifth C site, C(9) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(9) atom. The C(9)-N(2) bond length is 1.33 Å. The C(9)-N(3) bond length is 1.33 Å. The C(9)-H(9) bond length is 0.94 Å. In the sixth C site, C(10) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(10) atom. The C(10)-N(1) bond length is 1.32 Å. The C(10)-N(3) bond length is 1.35 Å. The C(10)-H(10) bond length is 0.94 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 2-coordinate geometry to one C(10), one C(7), and one N(2) atom. The N(1)-N(2) bond length is 1.38 Å. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(9) and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(10), and one C(9) atom. There are five 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(4) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(5,6) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. In each CdH18(C2N)9 cluster, Cd(1) is bonded in a T-shaped geometry to one N(12), one N(6), and one N(9) atom. The Cd(1)-N(12) bond length is 2.34 Å. The Cd(1)-N(6) bond length is 2.32 Å. The Cd(1)-N(9) bond length is 2.29 Å. There are eighteen inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-H(2) bond length is 0.94 Å. In the second C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(8) bond length is 1.51 Å. In the third C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 0.94 Å. In the fourth C site, C(8) is bonded in a 3-coordinate geometry to one C(4); one N(4); and two equivalent H(7,8) atoms. The C(8)-N(4) bond length is 1.47 Å. Both C(8)-H(7,8) bond lengths are 0.98 Å. In the fifth C site, C(11) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(11) atom. The C(11)-N(5) bond length is 1.33 Å. The C(11)-N(6) bond length is 1.33 Å. The C(11)-H(11) bond length is 0.94 Å. In the sixth C site, C(12) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(12) atom. The C(12)-N(4) bond length is 1.31 Å. The C(12)-N(6) bond length is 1.32 Å. The C(12)-H(12) bond length is 0.94 Å. In the seventh C site, C(13) is bonded in a trigonal planar geometry to one C(14), one C(15), and one C(16) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-C(15) bond length is 1.41 Å. The C(13)-C(16) bond length is 1.51 Å. In the eighth C site, C(14) is bonded in a distorted single-bond geometry to one C(13) and one H(13) atom. The C(14)-H(13) bond length is 0.94 Å. In the ninth C site, C(15) is bonded in a distorted single-bond geometry to one C(13) and one H(14) atom. The C(15)-H(14) bond length is 0.94 Å. In the tenth C site, C(16) is bonded in a 3-coordinate geometry to one C(13), one N(7), one H(15), and one H(16) atom. The C(16)-N(7) bond length is 1.46 Å. The C(16)-H(15) bond length is 0.98 Å. The C(16)-H(16) bond length is 0.98 Å. In the eleventh C site, C(17) is bonded in a trigonal planar geometry to one N(8), one N(9), and one H(17) atom. The C(17)-N(8) bond length is 1.31 Å. The C(17)-N(9) bond length is 1.36 Å. The C(17)-H(17) bond length is 0.94 Å. In the twelfth C site, C(18) is bonded in a trigonal planar geometry to one N(7), one N(9), and one H(18) atom. The C(18)-N(7) bond length is 1.33 Å. The C(18)-N(9) bond length is 1.32 Å. The C(18)-H(18) bond length is 0.94 Å. In the thirteenth C site, C(19) is bonded in a trigonal planar geometry to one C(20), one C(21), and one C(22) atom. The C(19)-C(20) bond length is 1.37 Å. The C(19)-C(21) bond length is 1.39 Å. The C(19)-C(22) bond length is 1.52 Å. In the fourteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19) and one H(19) atom. The C(20)-H(19) bond length is 0.94 Å. In the fifteenth C site, C(21) is bonded in a distorted single-bond geometry to one C(19) and one H(20) atom. The C(21)-H(20) bond length is 0.94 Å. In the sixteenth C site, C(22) is bonded in a distorted trigonal non-coplanar geometry to one C(19), one N(10), one H(21), and one H(22) atom. The C(22)-N(10) bond length is 1.45 Å. The C(22)-H(21) bond length is 0.98 Å. The C(22)-H(22) bond length is 0.98 Å. In the seventeenth C site, C(23) is bonded in a trigonal planar geometry to one N(11), one N(12), and one H(23) atom. The C(23)-N(11) bond length is 1.33 Å. The C(23)-N(12) bond length is 1.35 Å. The C(23)-H(23) bond length is 0.94 Å. In the eighteenth C site, C(24) is bonded in a trigonal planar geometry to one N(10), one N(12), and one H(24) atom. The C(24)-N(10) bond length is 1.32 Å. The C(24)-N(12) bond length is 1.34 Å. The C(24)-H(24) bond length is 0.94 Å. There are nine inequivalent N sites. In the first N site, N(4) is bonded in a distorted bent 120 degrees geometry to one C(12), one C(8), and one N(5) atom. The N(4)-N(5) bond length is 1.33 Å. In the second N site, N(5) is bonded in a water-like geometry to one C(11) and one N(4) atom. In the third N site, N(6) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(11), and one C(12) atom. In the fourth N site, N(7) is bonded in a 2-coordinate geometry to one C(16), one C(18), and one N(8) atom. The N(7)-N(8) bond length is 1.37 Å. In the fifth N site, N(8) is bonded in a water-like geometry to one C(17) and one N(7) atom. In the sixth N site, N(9) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(17), and one C(18) atom. In the seventh N site, N(10) is bonded in a distorted bent 120 degrees geometry to one C(22), one C(24), and one N(11) atom. The N(10)-N(11) bond length is 1.36 Å. In the eighth N site, N(11) is bonded in a water-like geometry to one C(23) and one N(10) atom. In the ninth N site, N(12) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(23), and one C(24) atom. There are seventeen inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(7,8) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(13) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(14) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(15) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(16) is bonded in a single-bond geometry to one C(16) atom. In the tenth H site, H(17) is bonded in a single-bond geometry to one C(17) atom. In the eleventh H site, H(18) is bonded in a single-bond geometry to one C(18) atom. In the twelfth H site, H(19) is bonded in a single-bond geometry to one C(20) atom. In the thirteenth H site, H(20) is bonded in a single-bond geometry to one C(21) atom. In the fourteenth H site, H(21) is bonded in a single-bond geometry to one C(22) atom. In the fifteenth H site, H(22) is bonded in a single-bond geometry to one C(22) atom. In the sixteenth H site, H(23) is bonded in a single-bond geometry to one C(23) atom. In the seventeenth H site, H(24) is bonded in a single-bond geometry to one C(24) atom. Linkers: 1 [CH2]c1ccc(Cn2cncn2)cc1.[CH2]n1[c]n[c]n1.[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH][N][CH][N][N]Cc1ccc(CN2[CH]N([Cd][N])C=N2)cc1.[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C]N([C])[Cd][N].[C][C]=[C].[C][N][N].[C][N][N].[Cd].[Cd].[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].[N].[N][N].[c]1ccc(Cn2cncn2)cc1 ,1 [CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH]1N=C[N]N1Cc1ccc(Cn2cncn2)cc1.[CH]1N=C[N]N1Cc1ccc(Cn2cncn2)cc1.[CH]=N[Cd].[CH]=[N].[C].[C].[C].[C].[C].[C].[C]N([C])[Cd].[C][CH].[C][C].[C][N][N].[C][N][N].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[N].[N].[N].[N].[N].[N][N].c1ncn(Cc2ccc(Cn3cncn3)cc2)n1. Metal clusters: 1 [Cd]. The MOF has largest included sphere 5.71 A, density 0.95 g/cm3, surface area 4687.25 m2/g, accessible volume 0.68 cm3/g