CdC13NH9O5 crystallizes in the triclinic P-1 space group. Cd(1) is bonded to one N(1), one O(1), one O(2), one O(3), and two equivalent O(5) atoms to form distorted edge-sharing CdNO5 octahedra. The Cd(1)-N(1) bond length is 2.27 Å. The Cd(1)-O(1) bond length is 2.37 Å. The Cd(1)-O(2) bond length is 2.35 Å. The Cd(1)-O(3) bond length is 2.45 Å. There is one shorter (2.26 Å) and one longer (2.42 Å) Cd(1)-O(5) bond length. There are thirteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(2), and one O(3) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(2) bond length is 1.28 Å. The C(1)-O(3) bond length is 1.28 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.42 Å. The C(5)-C(9) bond length is 1.48 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-C(8) bond length is 1.50 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-H(3) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.25 Å. The C(8)-O(5) bond length is 1.30 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(13), and one C(5) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-C(13) bond length is 1.40 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(1), and one H(4) atom. The C(10)-N(1) bond length is 1.34 Å. The C(10)-H(4) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one N(1), and one H(5) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-N(1) bond length is 1.35 Å. The C(11)-H(5) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(11) and one H(6) atom. The C(12)-H(6) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(9) and one H(7) atom. The C(13)-H(7) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(10), and one C(11) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) 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(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(1) and one O(4) atom. The H(8)-O(1) bond length is 1.01 Å. The H(8)-O(4) bond length is 1.65 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(1) atom. The H(9)-O(1) bond length is 0.98 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Cd(1), one H(8), and one H(9) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one C(8) and one H(8) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one C(8) atom. Linkers: 2 [O]C(=O)c1ccc(-c2cccnc2)c(C([O])=O)c1. Metal clusters: 1 O.O.O=[C]O[Cd]1O[C]O1.O=[C]O[Cd]1O[C]O1. The MOF has largest included sphere 2.20 A, density 1.98 g/cm3, surface area 3374.62 m2/g, accessible volume 0.11 cm3/g