CdC20H16(N3O2)2 is Indium-like structured and crystallizes in the monoclinic C2 space group. The structure is zero-dimensional and consists of four CdC20H16(N3O2)2 clusters. Cd(1) is bonded in a distorted octahedral geometry to two equivalent N(2), two equivalent O(1), and two equivalent O(3) atoms. Both Cd(1)-N(2) bond lengths are 2.30 Å. Both Cd(1)-O(1) bond lengths are 2.39 Å. Both Cd(1)-O(3) bond lengths are 2.42 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(1)-C(3) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(3) bond length is 1.28 Å. In the second C site, C(3) is bonded in a trigonal planar geometry to one C(1); one C(13,14); and one C(5,6) atom. The C(3)-C(13,14) bond length is 1.40 Å. The C(3)-C(5,6) bond length is 1.40 Å. In the third C site, C(5,6) is bonded in a distorted single-bond geometry to one C(3) and one H(1,2) atom. The C(5,6)-H(1,2) bond length is 1.09 Å. In the fourth C site, C(7,8) is bonded in a distorted single-bond geometry to one C(9) and one H(3,4) atom. The C(7,8)-C(9) bond length is 1.40 Å. The C(7,8)-H(3,4) bond length is 1.09 Å. In the fifth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(7,8); and one N(6) atom. The C(10)-C(11,12) bond length is 1.40 Å. The C(10)-C(7,8) bond length is 1.40 Å. The C(10)-N(6) bond length is 1.43 Å. In the sixth C site, C(11,12) is bonded in a distorted single-bond geometry to one C(9) and one H(5,6) atom. The C(11,12)-C(9) bond length is 1.40 Å. The C(11,12)-H(5,6) bond length is 1.09 Å. In the seventh C site, C(13,14) is bonded in a distorted single-bond geometry to one C(3) and one H(7,8) atom. The C(13,14)-H(7,8) bond length is 1.09 Å. In the eighth C site, C(15,16) is bonded in a distorted trigonal non-coplanar geometry to one C(17); one H(11,12); one H(13,14); and one H(9,10) atom. The C(15,16)-C(17) bond length is 1.48 Å. The C(15,16)-H(11,12) bond length is 1.10 Å. The C(15,16)-H(13,14) bond length is 1.10 Å. The C(15,16)-H(9,10) bond length is 1.09 Å. In the ninth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(15,16); one N(4); and one N(6) atom. The C(18)-C(15,16) bond length is 1.48 Å. The C(18)-N(4) bond length is 1.32 Å. The C(18)-N(6) bond length is 1.38 Å. In the tenth C site, C(20) is bonded in a trigonal planar geometry to one N(2), one N(6), and one H(16) atom. The C(20)-N(2) bond length is 1.32 Å. The C(20)-N(6) bond length is 1.36 Å. The C(20)-H(16) bond length is 1.08 Å. There are three inequivalent N sites. In the first N site, N(2) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(20), and one N(4) atom. The N(2)-N(4) bond length is 1.38 Å. In the second N site, N(4) is bonded in a distorted single-bond geometry to one C(18) and one N(2) atom. In the third N site, N(6) is bonded in a trigonal planar geometry to one C(10), one C(18), and one C(20) atom. There are eight inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(5,6) atom. In the second H site, H(3,4) is bonded in a single-bond geometry to one C(7,8) atom. In the third H site, H(5,6) is bonded in a single-bond geometry to one C(11,12) atom. In the fourth H site, H(7,8) is bonded in a single-bond geometry to one C(13,14) atom. In the fifth H site, H(9,10) is bonded in a single-bond geometry to one C(15,16) atom. In the sixth H site, H(11,12) is bonded in a single-bond geometry to one C(15,16) atom. In the seventh H site, H(13,14) is bonded in a single-bond geometry to one C(15,16) atom. In the eighth H site, H(16) is bonded in a single-bond geometry to one C(20) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(1) atom. In the second O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1) and one C(1) atom. Linkers: 4 Cc1nncn1-c1ccc(C([O])=O)cc1 ,1 [C]c1ccc(-n2cnnc2C)cc1 ,1 [CH2]c1nncn1-c1ccc(C([O])=O)cc1. Metal clusters: 2 [C]1O[Cd]2(O1)O[C]O2. The MOF has largest included sphere 2.01 A, density 1.72 g/cm3, surface area 4502.98 m2/g, accessible volume 0.14 cm3/g