KCd3C66H42(NO2)6(CH)6 crystallizes in the trigonal P-31c space group. The structure consists of twelve 02329_fluka molecules inside a KCd3C66H42(NO2)6 framework. In the KCd3C66H42(NO2)6 framework, K(1) is bonded to six equivalent O(2) atoms to form KO6 octahedra that share edges with three equivalent Cd(1)N2O4 octahedra. All K(1)-O(2) bond lengths are 2.42 Å. Cd(1) is bonded to two equivalent N(1), two equivalent O(1), and two equivalent O(2) atoms to form distorted CdN2O4 octahedra that share  an edgeedge with one K(1)O6 octahedra. Both Cd(1)-N(1) bond lengths are 2.31 Å. Both Cd(1)-O(1) bond lengths are 2.31 Å. Both Cd(1)-O(2) bond lengths are 2.59 Å. There are eleven 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 1.39 Å. The C(1)-C(6) bond length is 1.37 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), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(10), one C(2), and one C(4) atom. The C(3)-C(10) bond length is 1.48 Å. The C(3)-C(4) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 0.93 Å. In the fifth 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 0.93 Å. In the sixth C site, C(7) is bonded in a bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.25 Å. The C(7)-O(2) bond length is 1.24 Å. In the seventh C site, C(8) is bonded in a 2-coordinate geometry to one N(1) and one H(5) atom. The C(8)-N(1) bond length is 1.30 Å. The C(8)-H(5) bond length is 0.93 Å. In the eighth C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(9)-C(10) bond length is 1.37 Å. The C(9)-H(6) bond length is 0.93 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(9) atom. The C(10)-C(11) bond length is 1.36 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(7) atom. The C(11)-C(12) bond length is 1.37 Å. The C(11)-H(7) bond length is 0.93 Å. In the eleventh C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one N(1), and one H(8) atom. The C(12)-N(1) bond length is 1.32 Å. The C(12)-H(8) bond length is 0.93 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(12), and one C(8) atom. There are seven 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(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cd(1) and one C(7) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one K(1), one Cd(1), and one C(7) atom. Linkers: 12 [O]C(=O)c1cccc(-c2ccncc2)c1. Metal clusters: 2 O=[C]O[Cd]O[C]=O.O=[C]O[Cd]O[C]=O.O=[C]O[Cd]O[C]O[K]. The MOF has largest included sphere 9.79 A, density 0.96 g/cm3, surface area 4218.01 m2/g, accessible volume 0.63 cm3/g