CdC7NH7O7 crystallizes in the triclinic P-1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(1), one O(5), one O(6), one O(7), one O(8), and two equivalent O(2) atoms to form edge-sharing CdNO6 pentagonal bipyramids. The Cd(1)-N(1) bond length is 2.31 Å. The Cd(1)-O(5) bond length is 2.37 Å. The Cd(1)-O(6) bond length is 2.33 Å. The Cd(1)-O(7) bond length is 2.55 Å. The Cd(1)-O(8) bond length is 2.43 Å. There is one shorter (2.32 Å) and one longer (2.53 Å) Cd(1)-O(2) bond length. In the second Cd site, Cd(2) is bonded to one N(2), one O(10), one O(14), one O(7), one O(8), and two equivalent O(13) atoms to form edge-sharing CdNO6 pentagonal bipyramids. The Cd(2)-N(2) bond length is 2.29 Å. The Cd(2)-O(10) bond length is 2.29 Å. The Cd(2)-O(14) bond length is 2.43 Å. The Cd(2)-O(7) bond length is 2.42 Å. The Cd(2)-O(8) bond length is 2.53 Å. There is one shorter (2.31 Å) and one longer (2.53 Å) Cd(2)-O(13) bond length. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.51 Å. The C(1)-N(1) bond length is 1.35 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(11) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(11) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one O(3) atom. The C(3)-O(3) bond length is 1.32 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(12) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-H(12) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(7), and one N(1) atom. The C(5)-C(7) bond length is 1.51 Å. The C(5)-N(1) bond length is 1.35 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(6)-O(1) bond length is 1.27 Å. The C(6)-O(2) bond length is 1.28 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.25 Å. The C(7)-O(5) bond length is 1.29 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one N(2) atom. The C(8)-C(13) bond length is 1.52 Å. The C(8)-C(9) bond length is 1.39 Å. The C(8)-N(2) bond length is 1.34 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(13) atom. The C(9)-H(13) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one O(11) atom. The C(10)-C(11) bond length is 1.41 Å. The C(10)-O(11) bond length is 1.34 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one C(12), and one H(14) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-H(14) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one C(14), and one N(2) atom. The C(12)-C(14) bond length is 1.52 Å. The C(12)-N(2) bond length is 1.35 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(10), and one O(9) atom. The C(13)-O(10) bond length is 1.27 Å. The C(13)-O(9) bond length is 1.27 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(12), and one O(13) atom. The C(14)-O(12) bond length is 1.26 Å. The C(14)-O(13) bond length is 1.28 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(2), one C(12), and one C(8) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(3) and one O(9) atom. The H(1)-O(3) bond length is 1.06 Å. The H(1)-O(9) bond length is 1.44 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(4) and one O(6) atom. The H(2)-O(4) bond length is 1.67 Å. The H(2)-O(6) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) atom. The H(3)-O(6) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(7) atom. The H(4)-O(7) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(1) and one O(7) atom. The H(5)-O(1) bond length is 1.57 Å. The H(5)-O(7) bond length is 1.02 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(12) and one O(8) atom. The H(6)-O(12) bond length is 1.61 Å. The H(6)-O(8) bond length is 1.02 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(8) atom. The H(7)-O(8) bond length is 0.97 Å. In the eighth H site, H(8) is bonded in a distorted bent 150 degrees geometry to one O(11) and one O(5) atom. The H(8)-O(11) bond length is 1.05 Å. The H(8)-O(5) bond length is 1.44 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(14) atom. The H(9)-O(14) bond length is 0.99 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(14) atom. The H(10)-O(14) bond length is 0.97 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(2) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(4) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(9) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(11) atom. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one C(6) and one H(5) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one C(6) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one C(3) and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one C(7) and one H(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(7), and one H(8) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Cd(1), one H(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Cd(1), one Cd(2), one H(4), and one H(5) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Cd(1), one Cd(2), one H(6), and one H(7) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one C(13) and one H(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(13) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one C(10) and one H(8) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one C(14) and one H(6) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to two equivalent Cd(2) and one C(14) atom. In the fourteenth O site, O(14) is bonded in a distorted water-like geometry to one Cd(2), one H(10), and one H(9) atom. Linkers: 4 [O]C(=O)c1cc(O)cc(C([O])=O)n1 ,4 O. Metal clusters: 4 [Cd]. The MOF has largest included sphere 3.10 A, density 2.12 g/cm3, surface area 2945.01 m2/g, accessible volume 0.16 cm3/g