Cd3C18H12(NO)8(CH)2 crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a Cd3C18H12(NO)8 framework. In the Cd3C18H12(NO)8 framework, there are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(1), one N(3), one O(1), one O(2), one O(3), and two equivalent O(4) atoms to form distorted CdN2O5 hexagonal pyramids that share  an edgeedge with one Cd(1)N2O5 hexagonal pyramid and  an edgeedge with one Cd(2)N2O4 octahedra. The Cd(1)-N(1) bond length is 2.30 Å. The Cd(1)-N(3) bond length is 2.27 Å. The Cd(1)-O(1) bond length is 2.59 Å. The Cd(1)-O(2) bond length is 2.42 Å. The Cd(1)-O(3) bond length is 2.43 Å. There is one shorter (2.39 Å) and one longer (2.57 Å) Cd(1)-O(4) bond length. In the second Cd site, Cd(2) is bonded to two equivalent N(2), two equivalent O(1), and two equivalent O(3) atoms to form edge-sharing CdN2O4 octahedra. Both Cd(2)-N(2) bond lengths are 2.20 Å. Both Cd(2)-O(1) bond lengths are 2.38 Å. Both Cd(2)-O(3) bond lengths are 2.51 Å. There are nine 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 1.40 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.49 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(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(3) bond length is 1.09 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(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.48 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(6) atom. The C(6)-H(6) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.28 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.28 Å. The C(8)-O(4) bond length is 1.28 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(4) atom. The C(9)-N(2) bond length is 1.35 Å. The C(9)-N(3) bond length is 1.36 Å. The C(9)-N(4) bond length is 1.36 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(7) atom. The C(10)-N(1) bond length is 1.32 Å. The C(10)-N(3) bond length is 1.36 Å. The C(10)-H(7) bond length is 1.08 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(10), and one N(2) atom. The N(1)-N(2) bond length is 1.39 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cd(2), one C(9), and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(10), and one C(9) atom. In the fourth N site, N(4) is bonded in a distorted trigonal non-coplanar geometry to one C(9), one H(1), and one H(2) atom. The N(4)-H(1) bond length is 1.02 Å. The N(4)-H(2) bond length is 1.02 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) 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(6) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(7) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(7) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(8) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one C(8) atom. Linkers: 4 [O]C(=O)c1cccc(C([O])=O)c1 ,2 NC1=[N]=CN=N1 ,2 NC1=NN=C[N]1. Metal clusters: 6 [Cd]. The MOF has largest included sphere 2.48 A, density 2.34 g/cm3, surface area 2867.73 m2/g, accessible volume 0.09 cm3/g