Cd2C17H10O12 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 6-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(6), and one O(9) atom. The Cd(1)-O(1) bond length is 2.33 Å. The Cd(1)-O(10) bond length is 2.27 Å. The Cd(1)-O(12) bond length is 2.57 Å. The Cd(1)-O(4) bond length is 2.37 Å. The Cd(1)-O(6) bond length is 2.36 Å. The Cd(1)-O(9) bond length is 2.31 Å. In the second Cd site, Cd(2) is bonded in a 5-coordinate geometry to one O(11), one O(2), one O(5), one O(7), and one O(8) atom. The Cd(2)-O(11) bond length is 2.35 Å. The Cd(2)-O(2) bond length is 2.63 Å. The Cd(2)-O(5) bond length is 2.19 Å. The Cd(2)-O(7) bond length is 2.24 Å. The Cd(2)-O(8) bond length is 2.30 Å. There are seventeen inequivalent C sites. In the first C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(6), and one H(8) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-C(6) bond length is 1.40 Å. The C(9)-H(8) bond length is 1.09 Å. In the second C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(4), and one C(9) atom. The C(10)-C(11) bond length is 1.49 Å. The C(10)-C(4) bond length is 1.40 Å. In the third C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(10), and one O(9) atom. The C(11)-O(10) bond length is 1.26 Å. The C(11)-O(9) bond length is 1.29 Å. In the fourth C site, C(12) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(8) atom. The C(12)-C(15) bond length is 1.40 Å. The C(12)-C(17) bond length is 1.50 Å. The C(12)-C(8) bond length is 1.40 Å. In the fifth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(11), and one O(8) atom. The C(13)-C(5) bond length is 1.48 Å. The C(13)-O(11) bond length is 1.30 Å. The C(13)-O(8) bond length is 1.27 Å. In the sixth C site, C(14) is bonded in a distorted single-bond geometry to one C(15), one C(3), and one H(9) atom. The C(14)-C(15) bond length is 1.39 Å. The C(14)-C(3) bond length is 1.41 Å. The C(14)-H(9) bond length is 1.09 Å. In the seventh C site, C(15) is bonded in a distorted trigonal planar geometry to one C(12), one C(14), and one H(10) atom. The C(15)-H(10) bond length is 1.09 Å. In the eighth C site, C(16) is bonded in a linear geometry to one O(2) and one O(3) atom. The C(16)-O(2) bond length is 1.18 Å. The C(16)-O(3) bond length is 1.17 Å. In the ninth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(12), and one O(6) atom. The C(17)-O(12) bond length is 1.27 Å. The C(17)-O(6) bond length is 1.28 Å. In the tenth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(4), and one O(5) atom. The C(1)-C(7) bond length is 1.50 Å. The C(1)-O(4) bond length is 1.26 Å. The C(1)-O(5) bond length is 1.29 Å. In the eleventh C site, C(2) is bonded in a distorted single-bond geometry to one C(5), one C(6), and one H(5) atom. The C(2)-C(5) bond length is 1.40 Å. The C(2)-C(6) bond length is 1.40 Å. The C(2)-H(5) bond length is 1.09 Å. In the twelfth C site, C(3) is bonded in a trigonal planar geometry to one C(14), one C(6), and one C(7) atom. The C(3)-C(6) bond length is 1.48 Å. The C(3)-C(7) bond length is 1.41 Å. In the thirteenth C site, C(4) is bonded in a distorted single-bond geometry to one C(10), one C(5), and one H(6) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(6) bond length is 1.09 Å. In the fourteenth C site, C(5) is bonded in a trigonal planar geometry to one C(13), one C(2), and one C(4) atom. In the fifteenth C site, C(6) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(9) atom. In the sixteenth C site, C(7) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(8) atom. The C(7)-C(8) bond length is 1.40 Å. In the seventeenth C site, C(8) is bonded in a distorted single-bond geometry to one C(12), one C(7), and one H(7) atom. The C(8)-H(7) bond length is 1.09 Å. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) atom. The H(2)-O(1) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(7) atom. The H(3)-O(7) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(7) and one O(9) atom. The H(4)-O(7) bond length is 1.01 Å. The H(4)-O(9) bond length is 1.64 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) 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(14) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(15) atom. There are twelve inequivalent O sites. In the first O site, O(7) is bonded in a distorted water-like geometry to one Cd(2), one H(3), and one H(4) atom. In the second O site, O(8) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(13) atom. In the third O site, O(9) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(11), and one H(4) atom. In the fourth O site, O(10) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(11) atom. In the fifth O site, O(11) is bonded in a distorted single-bond geometry to one Cd(2) and one C(13) atom. In the sixth O site, O(12) is bonded in a single-bond geometry to one Cd(1) and one C(17) atom. In the seventh O site, O(5) is bonded in a 2-coordinate geometry to one Cd(2) and one C(1) atom. In the eighth O site, O(1) is bonded in a distorted water-like geometry to one Cd(1), one H(1), and one H(2) atom. In the ninth O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(16) atom. In the tenth O site, O(3) is bonded in a single-bond geometry to one C(16) atom. In the eleventh O site, O(4) is bonded in a distorted water-like geometry to one Cd(1) and one C(1) atom. In the twelfth O site, O(6) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(17) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(-c2ccc(C([O])=O)cc2C([O])=O)c1. Metal clusters: 2 O.O.O.O.O=C=O.O=C=O.O=[C]O[Cd@]1(O[C]O[Cd]2O[C]O2)O[C]O[Cd@](O[C]O[Cd]2O[C]O2)(O[C]=O)O[C]O1. RCSR code: ken. The MOF has largest included sphere 4.01 A, density 2.02 g/cm3, surface area 3323.93 m2/g, accessible volume 0.14 cm3/g