CdC26H18(N2Cl)2 crystallizes in the trigonal R-3m space group. Cd(1) is bonded in an octahedral geometry to four equivalent N(1) and two equivalent Cl(1) atoms. All Cd(1)-N(1) bond lengths are 2.42 Å. Both Cd(1)-Cl(1) bond lengths are 2.56 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-N(1) bond length is 1.33 Å. The C(1)-H(1) bond length is 0.95 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(2) bond length is 0.95 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-C(6) bond length is 1.49 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(3) atom. The C(4)-H(3) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(5)-N(1) bond length is 1.33 Å. The C(5)-H(4) bond length is 0.95 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(7) atom. The C(6)-C(6) bond length is 1.39 Å. The C(6)-C(7) bond length is 1.39 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to two equivalent C(6) and one H(5) atom. The C(7)-H(5) bond length is 0.95 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(5) atom. There are five 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(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. Cl(1) is bonded in a single-bond geometry to one Cd(1) atom. Linkers: 9 c1cc(-c2cc(-c3ccncc3)c(-c3ccncc3)cc2-c2ccncc2)ccn1. Metal clusters: 9 Cl[Cd]Cl. The MOF has largest included sphere 11.02 A, density 1.02 g/cm3, surface area 4206.33 m2/g, accessible volume 0.53 cm3/g