CdH20(C3N)8CdH8(C2O)8 is Indium-like structured and crystallizes in the tetragonal P-4n2 space group. The structure is zero-dimensional and consists of two CdH20(C3N)8 clusters and two CdH8(C2O)8 clusters. In each CdH20(C3N)8 cluster, Cd(2) is bonded in a rectangular see-saw-like geometry to four equivalent N(1) atoms. All Cd(2)-N(1) bond lengths are 2.27 Å. There are six inequivalent C sites. In the first C site, C(4) is bonded in a distorted single-bond geometry to one C(1) and one H(2) atom. The C(4)-C(1) bond length is 1.37 Å. The C(4)-H(2) bond length is 0.93 Å. In the second C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(1), and one H(4) atom. The C(5)-C(9) bond length is 1.38 Å. The C(5)-N(1) bond length is 1.37 Å. The C(5)-H(4) bond length is 0.93 Å. In the third C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(7) atom. The C(7)-N(1) bond length is 1.31 Å. The C(7)-N(2) bond length is 1.34 Å. The C(7)-H(7) bond length is 0.93 Å. In the fourth C site, C(9) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one N(2) atom. The C(9)-C(1) bond length is 1.47 Å. The C(9)-N(2) bond length is 1.37 Å. In the fifth C site, C(10) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(10)-C(1) bond length is 1.36 Å. The C(10)-H(1) bond length is 0.93 Å. In the sixth C site, C(1) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(9) atom. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(5), and one C(7) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(5) atom. The N(2)-H(5) bond length is 0.86 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(10) 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(5) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In each CdH8(C2O)8 cluster, Cd(1) is bonded in a distorted hexagonal bipyramidal geometry to four equivalent O(1) and four equivalent O(2) atoms. All Cd(1)-O(1) bond lengths are 2.62 Å. All Cd(1)-O(2) bond lengths are 2.29 Å. There are four inequivalent C sites. In the first C site, C(6) is bonded in a single-bond geometry to one C(2) and one H(3) atom. The C(6)-C(2) bond length is 1.38 Å. The C(6)-H(3) bond length is 0.93 Å. In the second C site, C(8) is bonded in a distorted single-bond geometry to one C(2) and one H(6) atom. The C(8)-C(2) bond length is 1.38 Å. The C(8)-H(6) bond length is 0.93 Å. In the third C site, C(2) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(8) atom. The C(2)-C(3) bond length is 1.49 Å. In the fourth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(3)-O(1) bond length is 1.24 Å. The C(3)-O(2) bond length is 1.26 Å. There are two inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the second H site, H(6) is bonded in a single-bond geometry to one C(8) 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(3) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Cd(1) and one C(3) atom. Linkers: 2 [O]C(=O)c1ccc(C2=CN([Cd](N3[CH]NC(c4ccc(C([O])=O)cc4)=C3)(N3[CH]NC(c4ccc(C([O])=O)cc4)=C3)N3[CH]NC(c4ccc(C([O])=O)cc4)=C3)[CH]N2)cc1 ,4 [CH]=[C]C1=CN([Cd](N2[CH]NC(c3ccc(C([O])=O)cc3)=C2)(N2[CH]NC(c3ccc(C([O])=O)cc3)=C2)N2[CH]NC(c3ccc(C([O])=O)cc3)=C2)[CH]N1. Metal clusters: 2 O=[C]O[Cd](O[C]=O)(O[C]=O)O[C]=O. The MOF has largest included sphere 4.74 A, density 1.32 g/cm3, surface area 4434.58 m2/g, accessible volume 0.32 cm3/g