Cd2H6(C2N3)3 crystallizes in the orthorhombic Pbca space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a trigonal planar geometry to one N(1), one N(4), and one N(7) atom. The Cd(1)-N(1) bond length is 2.20 Å. The Cd(1)-N(4) bond length is 2.18 Å. The Cd(1)-N(7) bond length is 2.21 Å. In the second Cd site, Cd(2) is bonded in an octahedral geometry to one N(2), one N(3), one N(5), one N(6), one N(8), and one N(9) atom. The Cd(2)-N(2) bond length is 2.33 Å. The Cd(2)-N(3) bond length is 2.34 Å. The Cd(2)-N(5) bond length is 2.34 Å. The Cd(2)-N(6) bond length is 2.36 Å. The Cd(2)-N(8) bond length is 2.33 Å. The Cd(2)-N(9) bond length is 2.36 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(1) atom. The C(1)-N(1) bond length is 1.36 Å. The C(1)-N(3) bond length is 1.32 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(2) atom. The C(2)-N(1) bond length is 1.33 Å. The C(2)-N(2) bond length is 1.28 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(7), one N(8), and one H(3) atom. The C(3)-N(7) bond length is 1.30 Å. The C(3)-N(8) bond length is 1.31 Å. The C(3)-H(3) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(7), one N(9), and one H(4) atom. The C(4)-N(7) bond length is 1.37 Å. The C(4)-N(9) bond length is 1.31 Å. The C(4)-H(4) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(5) atom. The C(5)-N(4) bond length is 1.35 Å. The C(5)-N(6) bond length is 1.31 Å. The C(5)-H(5) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(4), one N(5), and one H(6) atom. The C(6)-N(4) bond length is 1.32 Å. The C(6)-N(5) bond length is 1.30 Å. The C(6)-H(6) bond length is 0.93 Å. There are nine inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cd(2), one C(2), and one N(3) atom. The N(2)-N(3) bond length is 1.37 Å. In the third N site, N(3) is bonded in a 3-coordinate geometry to one Cd(2), one C(1), and one N(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(5), and one C(6) atom. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(6), and one N(6) atom. The N(5)-N(6) bond length is 1.36 Å. In the sixth N site, N(6) is bonded in a 3-coordinate geometry to one Cd(2), one C(5), and one N(5) atom. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(3), and one C(4) atom. In the eighth N site, N(8) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(3), and one N(9) atom. The N(8)-N(9) bond length is 1.35 Å. In the ninth N site, N(9) is bonded in a 3-coordinate geometry to one Cd(2), one C(4), and one N(8) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) 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(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. Linkers: 8 c1nncn1[Cd](n1cnnc1)n1cnnc1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 4.52 A, density 1.79 g/cm3, surface area 3036.00 m2/g, accessible volume 0.25 cm3/g