Cd3C14H12(NO6)2 crystallizes in the monoclinic C2/c space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 7-coordinate geometry to one N(1), one O(2), one O(3), one O(5), one O(6), and two equivalent O(1) atoms. The Cd(1)-N(1) bond length is 2.32 Å. The Cd(1)-O(2) bond length is 2.44 Å. The Cd(1)-O(3) bond length is 2.70 Å. The Cd(1)-O(5) bond length is 2.35 Å. The Cd(1)-O(6) bond length is 2.69 Å. There is one shorter (2.27 Å) and one longer (2.29 Å) Cd(1)-O(1) bond length. In the second Cd site, Cd(2) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. Both Cd(2)-O(1) bond lengths are 2.26 Å. Both Cd(2)-O(3) bond lengths are 2.35 Å. Both Cd(2)-O(4) bond lengths are 2.41 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(4), one C(5), and one H(1) atom. The C(1)-C(4) bond length is 1.39 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(2) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.34 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(7) atom. The C(3)-C(5) bond length is 1.40 Å. The C(3)-C(7) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1), one N(1), and one H(3) atom. The C(4)-N(1) bond length is 1.35 Å. The C(4)-H(3) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. The C(5)-C(6) bond length is 1.51 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(6) atom. The C(6)-O(3) bond length is 1.27 Å. The C(6)-O(6) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.27 Å. The C(7)-O(5) bond length is 1.26 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(2), and one C(4) 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(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. The H(4)-O(1) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(2) atom. The H(5)-O(2) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(2) atom. The H(6)-O(2) bond length is 0.99 Å. There are six inequivalent O sites. In the first O site, O(2) is bonded in a water-like geometry to one Cd(1), one H(5), and one H(6) atom. In the second O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(6) atom. In the third O site, O(4) is bonded in a distorted single-bond geometry to one Cd(2) and one C(7) atom. In the fourth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one C(7) atom. In the fifth O site, O(6) is bonded in a single-bond geometry to one Cd(1) and one C(6) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one Cd(2), two equivalent Cd(1), and one H(4) atom. Linkers: 4 [O]C(=O)c1ccncc1C([O])=O. Metal clusters: 6 [Cd]. The MOF has largest included sphere 1.96 A, density 2.82 g/cm3, surface area 2522.16 m2/g, accessible volume 0.04 cm3/g