Co3Cd16C156H60(NO4)12 crystallizes in the cubic Pm-3m space group. Co(1) is bonded in a square co-planar geometry to four equivalent N(1) atoms. All Co(1)-N(1) bond lengths are 2.09 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a distorted single-bond geometry to one Cd(2) atom. The Cd(1)-Cd(2) bond length is 1.13 Å. In the second Cd site, Cd(2) is bonded in a distorted tetrahedral geometry to one Cd(1) and three equivalent O(1) atoms. All Cd(2)-O(1) bond lengths are 2.18 Å. There are eight inequivalent C sites. In the first C site, C(4) is bonded in a trigonal planar geometry to one C(5) and two equivalent C(2) atoms. The C(4)-C(5) bond length is 1.49 Å. Both C(4)-C(2) bond lengths are 1.39 Å. In the second C site, C(5) is bonded in a trigonal planar geometry to one C(4) and two equivalent C(7) atoms. Both C(5)-C(7) bond lengths are 1.38 Å. In the third C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(1), and one O(2) atom. The C(6)-C(8) bond length is 1.44 Å. The C(6)-O(1) bond length is 1.22 Å. The C(6)-O(2) bond length is 1.20 Å. In the fourth C site, C(7) is bonded in a distorted single-bond geometry to one C(5), one C(8), and one H(3) atom. The C(7)-C(8) bond length is 1.38 Å. The C(7)-H(3) bond length is 0.95 Å. In the fifth C site, C(8) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(7) atom. The C(8)-C(3) bond length is 1.37 Å. In the sixth C site, C(1) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(1)-C(2) bond length is 1.43 Å. The C(1)-H(1) bond length is 0.95 Å. In the seventh C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(4), and one N(1) atom. The C(2)-N(1) bond length is 1.37 Å. In the eighth C site, C(3) is bonded in a trigonal planar geometry to two equivalent C(8) and one H(2) atom. The C(3)-H(2) bond length is 0.95 Å. N(1) is bonded in a trigonal planar geometry to one Co(1) and two equivalent C(2) atoms. There are three 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(1) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. There are two inequivalent O sites. In the first O site, O(2) is bonded in a single-bond geometry to one C(6) atom. In the second O site, O(1) is bonded in a water-like geometry to one Cd(2) and one C(6) atom. Linkers: 3 [O]C(=O)c1cc(cc(c1)C1=C2C=CC3=[N]2[Co@]24n5c1ccc5C(=C1[N]2=C(C=C1)C(=c1n4c(=C3c2cc(cc(c2)C(=O)[O])C(=O)[O])cc1)c1cc(cc(c1)C(=O)[O])C(=O)[O])c1cc(cc(c1)C(=O)[O])C(=O)[O])C(=O)[O]. Metal clusters: 8 [C]1O[Cd]23O[C]O[Cd]2(O1)O[C]O3. RCSR code: the. The MOF has largest included sphere 17.08 A, density 0.73 g/cm3, surface area 2998.47 m2/g, accessible volume 1.06 cm3/g