Cd3C30H16O13 crystallizes in the monoclinic C2/c space group. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a water-like geometry to two equivalent O(11) atoms. Both Cd(1)-O(11) bond lengths are 2.27 Å. In the second Cd site, Cd(2) is bonded in a 7-coordinate geometry to one H(14), one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. The Cd(2)-H(14) bond length is 2.00 Å. The Cd(2)-O(1) bond length is 2.20 Å. The Cd(2)-O(2) bond length is 2.57 Å. The Cd(2)-O(3) bond length is 2.38 Å. The Cd(2)-O(4) bond length is 2.53 Å. The Cd(2)-O(6) bond length is 2.28 Å. The Cd(2)-O(7) bond length is 2.29 Å. In the third Cd site, Cd(3) is bonded in a 5-coordinate geometry to one O(10), one O(5), one O(9), and two equivalent O(12) atoms. The Cd(3)-O(10) bond length is 2.37 Å. The Cd(3)-O(5) bond length is 2.46 Å. The Cd(3)-O(9) bond length is 2.36 Å. There is one shorter (2.37 Å) and one longer (2.40 Å) Cd(3)-O(12) bond length. In the fourth Cd site, Cd(4) is bonded in an octahedral geometry to two equivalent O(13), two equivalent O(2), and two equivalent O(4) atoms. Both Cd(4)-O(13) bond lengths are 2.23 Å. Both Cd(4)-O(2) bond lengths are 2.30 Å. Both Cd(4)-O(4) bond lengths are 2.33 Å. There are thirty inequivalent C sites. In the first C site, C(7) is bonded in a distorted single-bond geometry to one C(4) and one H(1) atom. The C(7)-C(4) bond length is 1.39 Å. The C(7)-H(1) bond length is 0.93 Å. In the second C site, C(1) is bonded in a trigonal planar geometry to one C(15), one C(16), and one C(26) atom. The C(1)-C(15) bond length is 1.38 Å. The C(1)-C(16) bond length is 1.39 Å. The C(1)-C(26) bond length is 1.49 Å. In the third C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(1), and one O(13) atom. The C(2)-C(30) bond length is 1.51 Å. The C(2)-O(1) bond length is 1.25 Å. The C(2)-O(13) bond length is 1.27 Å. In the fourth C site, C(3) is bonded in a distorted single-bond geometry to one C(30) and one H(10,12) atom. The C(3)-C(30) bond length is 1.38 Å. The C(3)-H(10,12) bond length is 0.93 Å. In the fifth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(29), and one C(7) atom. The C(4)-C(12) bond length is 1.38 Å. The C(4)-C(29) bond length is 1.48 Å. In the sixth C site, C(5) is bonded in a single-bond geometry to one C(25) and one H(3,9) atom. The C(5)-C(25) bond length is 1.39 Å. The C(5)-H(3,9) bond length is 0.93 Å. In the seventh C site, C(6) is bonded in a distorted single-bond geometry to one C(27) and one H(7) atom. The C(6)-C(27) bond length is 1.39 Å. The C(6)-H(7) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(22), one O(11), and one O(6) atom. The C(8)-C(22) bond length is 1.51 Å. The C(8)-O(11) bond length is 1.26 Å. The C(8)-O(6) bond length is 1.24 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(17) and one H(5) atom. The C(9)-C(17) bond length is 1.39 Å. The C(9)-H(5) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(27), one C(28), and one H(4) atom. The C(10)-C(27) bond length is 1.39 Å. The C(10)-C(28) bond length is 1.39 Å. The C(10)-H(4) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(28), one O(12), and one O(5) atom. The C(11)-C(28) bond length is 1.50 Å. The C(11)-O(12) bond length is 1.27 Å. The C(11)-O(5) bond length is 1.24 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(4) and one H(11) atom. The C(12)-H(11) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(25) and one H(3,9) atom. The C(13)-C(25) bond length is 1.39 Å. The C(13)-H(3,9) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(10), and one O(9) atom. The C(14)-C(17) bond length is 1.50 Å. The C(14)-O(10) bond length is 1.28 Å. The C(14)-O(9) bond length is 1.25 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(1) and one H(8) atom. The C(15)-H(8) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(1) and one H(16) atom. The C(16)-H(16) bond length is 0.93 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(14), one C(24), and one C(9) atom. The C(17)-C(24) bond length is 1.38 Å. In the eighteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(20) and one H(2) atom. The C(18)-C(20) bond length is 1.40 Å. The C(18)-H(2) bond length is 0.93 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(30) and one H(10,12) atom. The C(19)-C(30) bond length is 1.39 Å. The C(19)-H(10,12) bond length is 0.93 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one C(18), one C(22), and one C(25) atom. The C(20)-C(22) bond length is 1.40 Å. The C(20)-C(25) bond length is 1.48 Å. In the twenty-first C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(27), one O(2), and one O(7) atom. The C(21)-C(27) bond length is 1.49 Å. The C(21)-O(2) bond length is 1.27 Å. The C(21)-O(7) bond length is 1.26 Å. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(20), one C(24), and one C(8) atom. The C(22)-C(24) bond length is 1.39 Å. In the twenty-third C site, C(23) is bonded in a distorted single-bond geometry to one C(29) and one H(6) atom. The C(23)-C(29) bond length is 1.40 Å. The C(23)-H(6) bond length is 0.93 Å. In the twenty-fourth C site, C(24) is bonded in a distorted single-bond geometry to one C(17), one C(22), and one H(13) atom. The C(24)-H(13) bond length is 0.93 Å. In the twenty-fifth C site, C(25) is bonded in a trigonal planar geometry to one C(13), one C(20), and one C(5) atom. In the twenty-sixth C site, C(26) is bonded in a bent 120 degrees geometry to one C(1), one O(3), and one O(4) atom. The C(26)-O(3) bond length is 1.25 Å. The C(26)-O(4) bond length is 1.27 Å. In the twenty-seventh C site, C(27) is bonded in a trigonal planar geometry to one C(10), one C(21), and one C(6) atom. In the twenty-eighth C site, C(28) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(29) atom. The C(28)-C(29) bond length is 1.41 Å. In the twenty-ninth C site, C(29) is bonded in a trigonal planar geometry to one C(23), one C(28), and one C(4) atom. In the thirtieth C site, C(30) is bonded in a trigonal planar geometry to one C(19), one C(2), and one C(3) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(18) atom. In the third H site, H(3,9) is bonded in a single-bond geometry to one C(5) 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(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(23) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(6) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(10,12) is bonded in a single-bond geometry to one C(3) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(13) is bonded in a single-bond geometry to one C(24) atom. In the twelfth H site, H(14) is bonded in a distorted single-bond geometry to one Cd(2) and one O(8) atom. The H(14)-O(8) bond length is 0.85 Å. In the thirteenth H site, H(15) is bonded in a single-bond geometry to one O(8) atom. The H(15)-O(8) bond length is 0.85 Å. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one C(16) atom. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cd(2), one Cd(4), and one C(21) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cd(2) and one C(26) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cd(2), one Cd(4), and one C(26) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Cd(3) and one C(11) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Cd(2) and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Cd(2) and one C(21) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one H(14) and one H(15) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cd(3) and one C(14) atom. In the tenth O site, O(10) is bonded in a distorted L-shaped geometry to one Cd(3) and one C(14) atom. In the eleventh O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Cd(4) and one C(2) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to two equivalent Cd(3) and one C(11) atom. In the thirteenth O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(8) atom. Linkers: 8 [O]C(=O)c1ccc(-c2ccc(C([O])=O)cc2C([O])=O)cc1. Metal clusters: 8 [Cd] ,2 [C]1O[Cd]2(O1)O[C]O2.[C]1O[Cd]2(O1)O[C]O2. The MOF has largest included sphere 4.48 A, density 1.73 g/cm3, surface area 3421.44 m2/g, accessible volume 0.25 cm3/g