CdH6(C3N2)2 crystallizes in the orthorhombic Pbca space group. The structure consists of a CdH6(C3N2)2 framework. Cd(1) is bonded in a tetrahedral geometry to one N(1), one N(2), one N(3), and one N(4) atom. The Cd(1)-N(1) bond length is 2.25 Å. The Cd(1)-N(2) bond length is 2.22 Å. The Cd(1)-N(3) bond length is 2.22 Å. The Cd(1)-N(4) bond length is 2.20 Å. There are six inequivalent C sites. In the first C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one N(2), and one H(2) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-N(2) bond length is 1.38 Å. The C(2)-H(2) bond length is 1.08 Å. In the second C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(6) atom. The C(6)-N(3) bond length is 1.38 Å. The C(6)-H(6) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(3) atom. The C(3)-N(1) bond length is 1.38 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(4) atom. The C(4)-N(3) bond length is 1.34 Å. The C(4)-N(4) bond length is 1.35 Å. The C(4)-H(4) bond length is 1.08 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the sixth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(5) atom. The C(5)-N(4) bond length is 1.38 Å. The C(5)-H(5) bond length is 1.08 Å. There are four inequivalent N sites. In the first N site, N(4) is bonded in a trigonal planar geometry to one Cd(1), one C(4), and one C(5) atom. In the second N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(3) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the fourth N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(4), and one C(6) atom. There are six inequivalent H sites. In the first H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(2) is bonded in a single-bond geometry to one C(2) 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(3) is bonded in a single-bond geometry to one C(3) atom. Linkers: 13 C1=CN=C[N]1 ,3 [CH]1C=NC=N1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 2.03 A, density 2.08 g/cm3, surface area 3739.18 m2/g, accessible volume 0.15 cm3/g