Cd3H32(C2N3)16 crystallizes in the tetragonal I-4 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a rectangular see-saw-like geometry to four equivalent N(1) atoms. All Cd(1)-N(1) bond lengths are 2.31 Å. In the second Cd site, Cd(2) is bonded in an octahedral geometry to two equivalent N(11), two equivalent N(6), and two equivalent N(7) atoms. Both Cd(2)-N(11) bond lengths are 2.35 Å. Both Cd(2)-N(6) bond lengths are 2.33 Å. Both Cd(2)-N(7) bond lengths are 2.37 Å. There are eight 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 1.31 Å. The C(1)-N(3) bond length is 1.35 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(2), one N(3), and one H(2) atom. The C(2)-N(2) bond length is 1.29 Å. The C(2)-N(3) bond length is 1.36 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(4), one N(5), and one H(3) atom. The C(3)-N(4) bond length is 1.35 Å. The C(3)-N(5) bond length is 1.28 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(4), one N(6), and one H(4) atom. The C(4)-N(4) bond length is 1.36 Å. The C(4)-N(6) bond length is 1.29 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(8), one N(9), and one H(5) atom. The C(5)-N(8) bond length is 1.28 Å. The C(5)-N(9) bond length is 1.34 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(7), one N(9), and one H(6) atom. The C(6)-N(7) bond length is 1.30 Å. The C(6)-N(9) bond length is 1.34 Å. The C(6)-H(6) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(10), one N(12), and one H(7) atom. The C(7)-N(10) bond length is 1.34 Å. The C(7)-N(12) bond length is 1.31 Å. The C(7)-H(7) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(10), one N(11), and one H(8) atom. The C(8)-N(10) bond length is 1.35 Å. The C(8)-N(11) bond length is 1.30 Å. The C(8)-H(8) bond length is 0.93 Å. There are twelve inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Cd(1), one C(1), and one N(2) atom. The N(1)-N(2) bond length is 1.40 Å. In the second N site, N(2) is bonded in a distorted single-bond geometry to one C(2) and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(2), and one N(4) atom. The N(3)-N(4) bond length is 1.38 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(4), and one N(3) atom. In the fifth N site, N(5) is bonded in a distorted single-bond geometry to one C(3) and one N(6) atom. The N(5)-N(6) bond length is 1.39 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(4), and one N(5) atom. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(6), and one N(8) atom. The N(7)-N(8) bond length is 1.37 Å. In the eighth N site, N(8) is bonded in a distorted water-like geometry to one C(5) and one N(7) atom. In the ninth N site, N(9) is bonded in a distorted trigonal planar geometry to one C(5), one C(6), and one N(10) atom. The N(9)-N(10) bond length is 1.39 Å. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to one C(7), one C(8), and one N(9) atom. In the eleventh N site, N(11) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(8), and one N(12) atom. The N(11)-N(12) bond length is 1.38 Å. In the twelfth N site, N(12) is bonded in a water-like geometry to one C(7) and one N(11) atom. There are eight 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. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(8) atom. Linkers: 5 [CH]1N(n2cnnc2)C=NN1[Cd](N1[CH]N(n2cnnc2)C=N1)(N1[CH]N(n2cnnc2)C=N1)N1[CH]N(n2cnnc2)C=N1 ,4 [CH]N(C=[N])N1[CH]N([Cd](N2[CH]N(n3cnnc3)C=N2)(N2[CH]N(n3cnnc3)C=N2)N2[CH]N(n3cnnc3)C=N2)N=C1 ,8 c1nncn1-n1cnnc1. Metal clusters: 4 [Cd]. The MOF has largest included sphere 4.89 A, density 1.29 g/cm3, surface area 4285.30 m2/g, accessible volume 0.34 cm3/g