CdC13H12(NO)2 crystallizes in the tetragonal I4_1/a space group. Cd(1) is bonded in a 6-coordinate geometry to one N(1), one N(2), two equivalent O(1), and two equivalent O(2) atoms. The Cd(1)-N(1) bond length is 2.20 Å. The Cd(1)-N(2) bond length is 2.19 Å. There is one shorter (2.43 Å) and one longer (2.45 Å) Cd(1)-O(1) bond length. There is one shorter (2.37 Å) and one longer (2.55 Å) Cd(1)-O(2) bond length. There are thirteen inequivalent C sites. In the first C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-C(2) bond length is 1.40 Å. The C(7)-H(4) bond length is 1.09 Å. In the second C site, C(8) is bonded in a distorted water-like geometry to one C(5), one C(9), one H(5), and one H(6) atom. The C(8)-C(5) bond length is 1.51 Å. The C(8)-C(9) bond length is 1.50 Å. The C(8)-H(5) bond length is 1.10 Å. The C(8)-H(6) bond length is 1.10 Å. In the third C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(9)-C(10) bond length is 1.41 Å. The C(9)-C(12) bond length is 1.41 Å. In the fourth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one N(2) atom. The C(10)-C(11) bond length is 1.49 Å. The C(10)-N(2) bond length is 1.35 Å. In the fifth C site, C(11) is bonded in a distorted trigonal non-coplanar geometry to one C(10), one H(7), one H(8), and one H(9) atom. The C(11)-H(7) bond length is 1.10 Å. The C(11)-H(8) bond length is 1.10 Å. The C(11)-H(9) bond length is 1.10 Å. In the sixth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one N(1) atom. The C(12)-C(13) bond length is 1.49 Å. The C(12)-N(1) bond length is 1.35 Å. In the seventh C site, C(13) is bonded in a distorted trigonal non-coplanar geometry to one C(12), one H(10), one H(11), and one H(12) atom. The C(13)-H(10) bond length is 1.10 Å. The C(13)-H(11) bond length is 1.10 Å. The C(13)-H(12) bond length is 1.10 Å. In the eighth C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.28 Å. In the ninth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.40 Å. In the tenth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(1) bond length is 1.09 Å. In the eleventh C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 1.09 Å. In the twelfth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.40 Å. In the thirteenth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(12), 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 distorted trigonal planar geometry to one Cd(1), one C(10), and one N(1) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) 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(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(13) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(13) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Cd(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Cd(1) and one C(1) atom. Linkers: 3 CC1=NN=C(C)[C]1Cc1ccc(C([O])=O)cc1 ,1 C[C]1N=NC(C)=C1Cc1ccc(C([O])=O)cc1 ,4 CC1=N[N]C(C)=C1Cc1ccc(C([O])=O)cc1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 4.33 A, density 1.38 g/cm3, surface area 4034.63 m2/g, accessible volume 0.32 cm3/g