Cd3C10N15H10Cl crystallizes in the orthorhombic Cmc2_1 space group. There are six inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a square pyramidal geometry to one N(13), two equivalent N(1), and two equivalent N(12) atoms. The Cd(1)-N(13) bond length is 2.35 Å. Both Cd(1)-N(1) bond lengths are 2.30 Å. Both Cd(1)-N(12) bond lengths are 2.31 Å. In the second Cd site, Cd(2) is bonded to one N(14), two equivalent N(2), two equivalent N(4), and one Cl(1) atom to form corner-sharing CdN5Cl octahedra. The corner-sharing octahedral tilt angles are 90°. The Cd(2)-N(14) bond length is 2.39 Å. Both Cd(2)-N(2) bond lengths are 2.34 Å. Both Cd(2)-N(4) bond lengths are 2.34 Å. The Cd(2)-Cl(1) bond length is 2.69 Å. In the third Cd site, Cd(3) is bonded to two equivalent N(5), two equivalent N(8), one Cl(1), and one Cl(2) atom to form corner-sharing CdN4Cl2 octahedra. The corner-sharing octahedral tilt angles range from 88-90°. Both Cd(3)-N(5) bond lengths are 2.30 Å. Both Cd(3)-N(8) bond lengths are 2.32 Å. The Cd(3)-Cl(1) bond length is 2.64 Å. The Cd(3)-Cl(2) bond length is 2.69 Å. In the fourth Cd site, Cd(4) is bonded to one N(15), two equivalent N(6), two equivalent N(7), and one Cl(2) atom to form corner-sharing CdN5Cl octahedra. The corner-sharing octahedral tilt angles are 88°. The Cd(4)-N(15) bond length is 2.45 Å. Both Cd(4)-N(6) bond lengths are 2.31 Å. Both Cd(4)-N(7) bond lengths are 2.37 Å. The Cd(4)-Cl(2) bond length is 2.67 Å. In the fifth Cd site, Cd(5) is bonded in a square pyramidal geometry to one N(16), two equivalent N(10), and two equivalent N(9) atoms. The Cd(5)-N(16) bond length is 2.31 Å. Both Cd(5)-N(10) bond lengths are 2.32 Å. Both Cd(5)-N(9) bond lengths are 2.30 Å. In the sixth Cd site, Cd(6) is bonded in an octahedral geometry to one N(17), one N(18), two equivalent N(11), and two equivalent N(3) atoms. The Cd(6)-N(17) bond length is 2.51 Å. The Cd(6)-N(18) bond length is 2.42 Å. Both Cd(6)-N(11) bond lengths are 2.35 Å. Both Cd(6)-N(3) bond lengths are 2.31 Å. There are twelve inequivalent C sites. In the first C site, C(9) is bonded in a trigonal planar geometry to one N(13), one N(15), and one H(9) atom. The C(9)-N(13) bond length is 1.32 Å. The C(9)-N(15) bond length is 1.33 Å. The C(9)-H(9) bond length is 0.93 Å. In the second C site, C(10) is bonded in a trigonal planar geometry to one N(14), one N(15), and one H(10) atom. The C(10)-N(14) bond length is 1.32 Å. The C(10)-N(15) bond length is 1.35 Å. The C(10)-H(10) bond length is 0.93 Å. In the third C site, C(11) is bonded in a trigonal planar geometry to one N(17), one N(18), and one H(11) atom. The C(11)-N(17) bond length is 1.30 Å. The C(11)-N(18) bond length is 1.35 Å. The C(11)-H(11) bond length is 0.93 Å. In the fourth C site, C(12) is bonded in a trigonal planar geometry to one N(16), one N(18), and one H(12) atom. The C(12)-N(16) bond length is 1.35 Å. The C(12)-N(18) bond length is 1.30 Å. The C(12)-H(12) bond length is 0.93 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(1) atom. The C(1)-N(1) bond length is 1.32 Å. The C(1)-N(3) bond length is 1.36 Å. The C(1)-H(1) bond length is 0.93 Å. In the sixth C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(2) atom. The C(2)-N(2) bond length is 1.32 Å. The C(2)-N(3) bond length is 1.34 Å. The C(2)-H(2) bond length is 0.93 Å. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(3) atom. The C(3)-N(4) bond length is 1.32 Å. The C(3)-N(6) bond length is 1.34 Å. The C(3)-H(3) bond length is 0.93 Å. In the eighth C site, C(4) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(4) atom. The C(4)-N(5) bond length is 1.32 Å. The C(4)-N(6) bond length is 1.34 Å. The C(4)-H(4) bond length is 0.93 Å. In the ninth C site, C(5) is bonded in a trigonal planar geometry to one N(7), one N(9), and one H(5) atom. The C(5)-N(7) bond length is 1.33 Å. The C(5)-N(9) bond length is 1.35 Å. The C(5)-H(5) bond length is 0.93 Å. In the tenth C site, C(6) is bonded in a trigonal planar geometry to one N(8), one N(9), and one H(6) atom. The C(6)-N(8) bond length is 1.33 Å. The C(6)-N(9) bond length is 1.33 Å. The C(6)-H(6) bond length is 0.93 Å. In the eleventh C site, C(7) is bonded in a trigonal planar geometry to one N(10), one N(12), and one H(7) atom. The C(7)-N(10) bond length is 1.31 Å. The C(7)-N(12) bond length is 1.33 Å. The C(7)-H(7) bond length is 0.93 Å. In the twelfth C site, C(8) is bonded in a trigonal planar geometry to one N(11), one N(12), and one H(8) atom. The C(8)-N(11) bond length is 1.32 Å. The C(8)-N(12) bond length is 1.33 Å. The C(8)-H(8) bond length is 0.93 Å. There are eighteen inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), 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 3-coordinate geometry to one Cd(2), one C(2), and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(6), one C(1), and one C(2) atom. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Cd(2), one C(3), and one N(5) atom. The N(4)-N(5) bond length is 1.37 Å. In the fifth N site, N(5) is bonded in a 3-coordinate geometry to one Cd(3), one C(4), and one N(4) atom. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Cd(4), one C(3), and one C(4) atom. In the seventh N site, N(7) is bonded in a 3-coordinate geometry to one Cd(4), one C(5), and one N(8) atom. The N(7)-N(8) bond length is 1.35 Å. In the eighth N site, N(8) is bonded in a distorted trigonal planar geometry to one Cd(3), one C(6), and one N(7) atom. In the ninth N site, N(9) is bonded in a distorted trigonal planar geometry to one Cd(5), one C(5), and one C(6) atom. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to one Cd(5), one C(7), and one N(11) atom. The N(10)-N(11) bond length is 1.37 Å. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Cd(6), one C(8), and one N(10) atom. In the twelfth N site, N(12) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(7), and one C(8) atom. In the thirteenth N site, N(13) is bonded in a 3-coordinate geometry to one Cd(1), one C(9), 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 3-coordinate geometry to one Cd(2), one C(10), and one N(13) atom. In the fifteenth N site, N(15) is bonded in a 3-coordinate geometry to one Cd(4), one C(10), and one C(9) atom. In the sixteenth N site, N(16) is bonded in a 3-coordinate geometry to one Cd(5), one C(12), and one N(17) atom. The N(16)-N(17) bond length is 1.39 Å. In the seventeenth N site, N(17) is bonded in a distorted single-bond geometry to one Cd(6), one C(11), and one N(16) atom. In the eighteenth N site, N(18) is bonded in a distorted trigonal planar geometry to one Cd(6), one C(11), and one C(12) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(8) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in an L-shaped geometry to one Cd(2) and one Cd(3) atom. In the second Cl site, Cl(2) is bonded in an L-shaped geometry to one Cd(3) and one Cd(4) atom. Linkers: 5 [N]1=CN=NC=1 ,15 C1=NN=C[N]1. Metal clusters: 2 Cl[Cd]1N=N[Cd]2(Cl)(N=N1)N=N[Cd]13(N=N[Cd](N=N1)N=N3)N=N2 ,2 [N]1[N][Cd]2[N][N][Cd]1N=N2. The MOF has largest included sphere 4.33 A, density 2.03 g/cm3, surface area 3073.34 m2/g, accessible volume 0.25 cm3/g