CdC12N5H10O crystallizes in the orthorhombic P2_12_12_1 space group. Cd(1) is bonded in a distorted trigonal bipyramidal geometry to one N(1), one N(3), one N(4), one N(5), and one O(1) atom. The Cd(1)-N(1) bond length is 2.48 Å. The Cd(1)-N(3) bond length is 2.33 Å. The Cd(1)-N(4) bond length is 2.46 Å. The Cd(1)-N(5) bond length is 2.33 Å. The Cd(1)-O(1) bond length is 2.32 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(12) and one H(9) atom. The C(1)-C(12) bond length is 1.36 Å. The C(1)-H(9) bond length is 0.93 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(10) atom. The C(2)-N(4) bond length is 1.33 Å. The C(2)-H(10) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal non-coplanar geometry to one C(11) and three equivalent H(2,4,5) atoms. The C(3)-C(11) bond length is 1.50 Å. All C(3)-H(2,4,5) bond lengths are 0.96 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(11), one C(5), and one N(4) atom. The C(4)-C(11) bond length is 1.47 Å. The C(4)-C(5) bond length is 1.39 Å. The C(4)-N(4) bond length is 1.33 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(3) atom. The C(5)-N(1) bond length is 1.33 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(8), one N(5), and one H(7) atom. The C(6)-C(8) bond length is 1.39 Å. The C(6)-N(5) bond length is 1.33 Å. The C(6)-H(7) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(8) atom. The C(7)-N(1) bond length is 1.33 Å. The C(7)-H(8) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(9) atom. The C(8)-C(10) bond length is 1.39 Å. The C(8)-C(9) bond length is 1.49 Å. In the ninth C site, C(9) is bonded in a 2-coordinate geometry to one C(8), one N(2), and one O(1) atom. The C(9)-N(2) bond length is 1.33 Å. The C(9)-O(1) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(8) and one H(6) atom. The C(10)-H(6) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(3), one C(4), and one N(3) atom. The C(11)-N(3) bond length is 1.29 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(1), one N(5), and one H(1) atom. The C(12)-N(5) bond length is 1.33 Å. The C(12)-H(1) bond length is 0.93 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(5), and one C(7) atom. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(9) 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 distorted trigonal planar geometry to one Cd(1), one C(11), and one N(2) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cd(1), one C(2), and one C(4) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Cd(1), one C(12), and one C(6) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(12) atom. In the second H site, H(2,4,5) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(1) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(2) atom. O(1) is bonded in a distorted single-bond geometry to one Cd(1) and one C(9) atom. Linkers: 4 C/C(=N\[N]C(=O)c1cccnc1)c1cnccn1. Metal clusters: 4 [O][Cd]. The MOF has largest included sphere 5.64 A, density 0.96 g/cm3, surface area 4164.94 m2/g, accessible volume 0.63 cm3/g