Cd9C8N40H16Cl9 crystallizes in the monoclinic C2/m space group. There are five inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(12), one N(13), one N(14), one N(8), one Cl(1), and one Cl(3) atom to form corner-sharing CdN4Cl2 octahedra. The corner-sharing octahedral tilt angles range from 84-85°. The Cd(1)-N(12) bond length is 2.38 Å. The Cd(1)-N(13) bond length is 2.31 Å. The Cd(1)-N(14) bond length is 2.36 Å. The Cd(1)-N(8) bond length is 2.38 Å. The Cd(1)-Cl(1) bond length is 2.57 Å. The Cd(1)-Cl(3) bond length is 2.59 Å. In the second Cd site, Cd(2) is bonded to one N(15), one N(18), one N(2), one N(7), one Cl(1), and one Cl(2) atom to form CdN4Cl2 octahedra that share  a cornercorner with one Cd(1)N4Cl2 octahedra and  a cornercorner with one Cd(4)N3Cl2 square pyramid. The corner-sharing octahedral tilt angles are 84°. The Cd(2)-N(15) bond length is 2.39 Å. The Cd(2)-N(18) bond length is 2.29 Å. The Cd(2)-N(2) bond length is 2.40 Å. The Cd(2)-N(7) bond length is 2.37 Å. The Cd(2)-Cl(1) bond length is 2.59 Å. The Cd(2)-Cl(2) bond length is 2.60 Å. In the third Cd site, Cd(3) is bonded to one N(1), one N(16), one N(19), one Cl(4), and one Cl(5) atom to form corner-sharing CdN3Cl2 square pyramids. The Cd(3)-N(1) bond length is 2.31 Å. The Cd(3)-N(16) bond length is 2.37 Å. The Cd(3)-N(19) bond length is 2.46 Å. The Cd(3)-Cl(4) bond length is 2.63 Å. The Cd(3)-Cl(5) bond length is 2.60 Å. In the fourth Cd site, Cd(4) is bonded to one N(3), one N(4), one N(6), one Cl(2), and one Cl(6) atom to form CdN3Cl2 square pyramids that share  a cornercorner with one Cd(2)N4Cl2 octahedra and  a cornercorner with one Cd(4)N3Cl2 square pyramid. The corner-sharing octahedral tilt angles are 86°. The Cd(4)-N(3) bond length is 2.37 Å. The Cd(4)-N(4) bond length is 2.31 Å. The Cd(4)-N(6) bond length is 2.30 Å. The Cd(4)-Cl(2) bond length is 2.70 Å. The Cd(4)-Cl(6) bond length is 2.65 Å. In the fifth Cd site, Cd(5) is bonded to two equivalent N(11), two equivalent N(9), and two equivalent Cl(3) atoms to form corner-sharing CdN4Cl2 octahedra. The corner-sharing octahedral tilt angles are 85°. Both Cd(5)-N(11) bond lengths are 2.33 Å. Both Cd(5)-N(9) bond lengths are 2.33 Å. Both Cd(5)-Cl(3) bond lengths are 2.63 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(4), and one N(5) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(4) bond length is 1.38 Å. The C(1)-N(5) bond length is 1.38 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(10), one N(6), and one N(9) atom. The C(2)-N(10) bond length is 1.36 Å. The C(2)-N(6) bond length is 1.35 Å. The C(2)-N(9) bond length is 1.32 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(13), one N(16), and one N(17) atom. The C(3)-N(13) bond length is 1.26 Å. The C(3)-N(16) bond length is 1.34 Å. The C(3)-N(17) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(20) and two equivalent N(18) atoms. The C(4)-N(20) bond length is 1.32 Å. Both C(4)-N(18) bond lengths are 1.30 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(21) and two equivalent N(11) atoms. The C(5)-N(21) bond length is 1.34 Å. Both C(5)-N(11) bond lengths are 1.34 Å. There are twenty-one inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(3), one C(1), and one N(2) atom. The N(1)-N(2) bond length is 1.31 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cd(2), one N(1), and one N(3) atom. The N(2)-N(3) bond length is 1.30 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(4), one N(2), and one N(4) atom. The N(3)-N(4) bond length is 1.35 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Cd(4), one C(1), and one N(3) atom. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one C(1), one H(1), and one H(2) atom. The N(5)-H(1) bond length is 0.86 Å. The N(5)-H(2) bond length is 0.86 Å. In the sixth N site, N(6) is bonded in a 3-coordinate geometry to one Cd(4), one C(2), and one N(7) atom. The N(6)-N(7) bond length is 1.36 Å. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one Cd(2), one N(6), and one N(8) atom. The N(7)-N(8) bond length is 1.32 Å. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Cd(1), one N(7), and one N(9) atom. The N(8)-N(9) bond length is 1.32 Å. In the ninth N site, N(9) is bonded in a distorted trigonal planar geometry to one Cd(5), one C(2), and one N(8) atom. In the tenth N site, N(10) is bonded in a trigonal planar geometry to one C(2), one H(3), and one H(4) atom. The N(10)-H(3) bond length is 0.86 Å. The N(10)-H(4) bond length is 0.86 Å. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Cd(5), one C(5), and one N(12) atom. The N(11)-N(12) bond length is 1.36 Å. In the twelfth N site, N(12) is bonded in a trigonal planar geometry to one Cd(1), one N(11), and one N(12) atom. The N(12)-N(12) bond length is 1.24 Å. In the thirteenth N site, N(13) is bonded in a 3-coordinate geometry to one Cd(1), one C(3), and one N(14) atom. The N(13)-N(14) bond length is 1.39 Å. In the fourteenth N site, N(14) is bonded in a distorted trigonal planar geometry to one Cd(1), one N(13), and one N(15) atom. The N(14)-N(15) bond length is 1.32 Å. In the fifteenth N site, N(15) is bonded in a distorted trigonal planar geometry to one Cd(2), one N(14), and one N(16) atom. The N(15)-N(16) bond length is 1.35 Å. In the sixteenth N site, N(16) is bonded in a distorted trigonal planar geometry to one Cd(3), one C(3), and one N(15) atom. In the seventeenth N site, N(17) is bonded in a trigonal planar geometry to one C(3), one H(6), and one H(7) atom. The N(17)-H(6) bond length is 0.86 Å. The N(17)-H(7) bond length is 0.86 Å. In the eighteenth N site, N(18) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(4), and one N(19) atom. The N(18)-N(19) bond length is 1.37 Å. In the nineteenth N site, N(19) is bonded in a distorted trigonal planar geometry to one Cd(3), one N(18), and one N(19) atom. The N(19)-N(19) bond length is 1.32 Å. In the twentieth N site, N(20) is bonded in a trigonal planar geometry to one C(4) and two equivalent H(8) atoms. Both N(20)-H(8) bond lengths are 0.84 Å. In the twenty-first N site, N(21) is bonded in a trigonal planar geometry to one C(5) and two equivalent H(5) atoms. Both N(21)-H(5) bond lengths are 0.86 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(10) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(21) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(17) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one N(17) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one N(20) atom. There are six inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in an L-shaped geometry to one Cd(1) and one Cd(2) atom. In the second Cl site, Cl(2) is bonded in an L-shaped geometry to one Cd(2) and one Cd(4) atom. In the third Cl site, Cl(3) is bonded in an L-shaped geometry to one Cd(1) and one Cd(5) atom. In the fourth Cl site, Cl(4) is bonded in a bent 120 degrees geometry to two equivalent Cd(3) atoms. In the fifth Cl site, Cl(5) is bonded in an L-shaped geometry to two equivalent Cd(3) atoms. In the sixth Cl site, Cl(6) is bonded in an L-shaped geometry to two equivalent Cd(4) atoms. Linkers: 22 NC1=NN=N[N]1 ,10 NC1=N[N]N=N1. Metal clusters: 36 [Cd]. The MOF has largest included sphere 5.46 A, density 2.01 g/cm3, surface area 2690.36 m2/g, accessible volume 0.26 cm3/g