CdC14N2H11O5 crystallizes in the triclinic P-1 space group. Cd(1) is bonded to one N(1), one O(2), one O(3), one O(4), one O(5), and two equivalent O(1) atoms to form distorted edge-sharing CdNO6 pentagonal bipyramids. The Cd(1)-N(1) bond length is 2.28 Å. The Cd(1)-O(2) bond length is 2.43 Å. The Cd(1)-O(3) bond length is 2.31 Å. The Cd(1)-O(4) bond length is 2.63 Å. The Cd(1)-O(5) bond length is 2.49 Å. There is one shorter (2.37 Å) and one longer (2.52 Å) Cd(1)-O(1) bond length. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(3) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(2) bond length is 1.37 Å. The C(1)-H(3) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(1), and one H(4) atom. The C(2)-C(4) bond length is 1.37 Å. The C(2)-N(1) bond length is 1.38 Å. The C(2)-H(4) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(3)-C(5) bond length is 1.49 Å. The C(3)-O(3) bond length is 1.28 Å. The C(3)-O(4) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(2), and one H(5) atom. The C(4)-N(2) bond length is 1.39 Å. The C(4)-H(5) bond length is 1.08 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(7), and one C(8) atom. The C(5)-C(7) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(10), one C(9), and one N(2) atom. The C(6)-C(10) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. The C(6)-N(2) bond length is 1.42 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(11), one C(5), and one H(6) atom. The C(7)-C(11) bond length is 1.39 Å. The C(7)-H(6) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(12), one C(5), and one H(7) atom. The C(8)-C(12) bond length is 1.40 Å. The C(8)-H(7) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(6), and one H(8) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(8) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(6), one C(9), and one H(9) atom. The C(10)-H(9) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(13), one C(7), and one H(10) atom. The C(11)-C(13) bond length is 1.39 Å. The C(11)-H(10) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(8) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(14) bond length is 1.49 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(11), one C(12), and one H(11) atom. The C(13)-H(11) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(1), and one O(5) atom. The C(14)-O(1) bond length is 1.30 Å. The C(14)-O(5) bond length is 1.26 Å. There are two 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 trigonal planar geometry to one C(1), one C(4), and one C(6) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) and one O(4) atom. The H(1)-O(2) bond length is 1.01 Å. The H(1)-O(4) bond length is 1.65 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(10) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(13) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Cd(1) and one C(14) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Cd(1), one H(1), and one H(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Cd(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cd(1), one C(3), and one H(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cd(1) and one C(14) atom. Linkers: 2 [O]C(=O)c1cccc(C([O])=O)c1 ,1 c1cn(-c2ccc(-n3ccnc3)cc2)cn1 ,2 [c]1cn(-c2ccc(-n3ccnc3)cc2)cn1. 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 3.05 A, density 1.84 g/cm3, surface area 3516.45 m2/g, accessible volume 0.13 cm3/g