CdC11H7O5 crystallizes in the triclinic P-1 space group. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(12), one O(14), one O(16), one O(17), one O(3), and one O(5) atom to form distorted edge-sharing CdO7 pentagonal bipyramids. The Cd(1)-O(1) bond length is 2.45 Å. The Cd(1)-O(12) bond length is 2.34 Å. The Cd(1)-O(14) bond length is 2.34 Å. The Cd(1)-O(16) bond length is 2.67 Å. The Cd(1)-O(17) bond length is 2.33 Å. The Cd(1)-O(3) bond length is 2.29 Å. The Cd(1)-O(5) bond length is 2.42 Å. In the second Cd site, Cd(2) is bonded to one O(11), one O(13), one O(15), one O(18), one O(2), one O(4), and one O(6) atom to form distorted edge-sharing CdO7 pentagonal bipyramids. The Cd(2)-O(11) bond length is 2.34 Å. The Cd(2)-O(13) bond length is 2.34 Å. The Cd(2)-O(15) bond length is 2.67 Å. The Cd(2)-O(18) bond length is 2.33 Å. The Cd(2)-O(2) bond length is 2.45 Å. The Cd(2)-O(4) bond length is 2.29 Å. The Cd(2)-O(6) bond length is 2.42 Å. In the third Cd site, Cd(3) is bonded to one O(13), one O(16), one O(19), one O(2), one O(3), one O(7), and one O(9) atom to form distorted edge-sharing CdO7 pentagonal bipyramids. The Cd(3)-O(13) bond length is 2.67 Å. The Cd(3)-O(16) bond length is 2.34 Å. The Cd(3)-O(19) bond length is 2.33 Å. The Cd(3)-O(2) bond length is 2.29 Å. The Cd(3)-O(3) bond length is 2.45 Å. The Cd(3)-O(7) bond length is 2.42 Å. The Cd(3)-O(9) bond length is 2.34 Å. In the fourth Cd site, Cd(4) is bonded to one O(1), one O(10), one O(14), one O(15), one O(20), one O(4), and one O(8) atom to form distorted edge-sharing CdO7 pentagonal bipyramids. The Cd(4)-O(1) bond length is 2.29 Å. The Cd(4)-O(10) bond length is 2.34 Å. The Cd(4)-O(14) bond length is 2.68 Å. The Cd(4)-O(15) bond length is 2.34 Å. The Cd(4)-O(20) bond length is 2.33 Å. The Cd(4)-O(4) bond length is 2.45 Å. The Cd(4)-O(8) bond length is 2.42 Å. There are thirty-three inequivalent C sites. In the first C site, C(33) is bonded in a trigonal planar geometry to one C(29); one C(37,38,39); and one C(41) atom. The C(33)-C(29) bond length is 1.50 Å. The C(33)-C(37,38,39) bond length is 1.40 Å. The C(33)-C(41) bond length is 1.41 Å. In the second C site, C(34) is bonded in a trigonal planar geometry to one C(30); one C(37,38,39); and one C(42) atom. The C(34)-C(30) bond length is 1.50 Å. The C(34)-C(37,38,39) bond length is 1.40 Å. The C(34)-C(42) bond length is 1.41 Å. In the third C site, C(35) is bonded in a trigonal planar geometry to one C(31); one C(37,38,39); and one C(43) atom. The C(35)-C(31) bond length is 1.50 Å. The C(35)-C(37,38,39) bond length is 1.40 Å. The C(35)-C(43) bond length is 1.41 Å. In the fourth C site, C(36) is bonded in a trigonal planar geometry to one C(32), one C(40), and one C(44) atom. The C(36)-C(32) bond length is 1.50 Å. The C(36)-C(40) bond length is 1.40 Å. The C(36)-C(44) bond length is 1.41 Å. In the fifth C site, C(37,38,39) is bonded in a distorted single-bond geometry to one C(33); one C(41); and one H(25,26,27,28) atom. The C(37,38,39)-C(41) bond length is 1.40 Å. The C(37,38,39)-H(25,26,27,28) bond length is 1.09 Å. In the sixth C site, C(40) is bonded in a distorted single-bond geometry to one C(36); one C(44); and one H(25,26,27,28) atom. The C(40)-C(44) bond length is 1.40 Å. The C(40)-H(25,26,27,28) bond length is 1.09 Å. In the seventh C site, C(41) is bonded in a trigonal planar geometry to one C(13); one C(33); and one C(37,38,39) atom. The C(41)-C(13) bond length is 1.48 Å. In the eighth C site, C(42) is bonded in a trigonal planar geometry to one C(14,15); one C(34); and one C(37,38,39) atom. The C(42)-C(14,15) bond length is 1.48 Å. The C(42)-C(37,38,39) bond length is 1.40 Å. In the ninth C site, C(43) is bonded in a trigonal planar geometry to one C(14,15); one C(35); and one C(37,38,39) atom. The C(43)-C(14,15) bond length is 1.48 Å. The C(43)-C(37,38,39) bond length is 1.40 Å. In the tenth C site, C(44) is bonded in a trigonal planar geometry to one C(16), one C(36), and one C(40) atom. The C(44)-C(16) bond length is 1.48 Å. In the eleventh C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(5) atom. The C(1)-C(5) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(5) bond length is 1.27 Å. In the twelfth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(6,7); one O(2); and one O(6) atom. The C(2)-C(6,7) bond length is 1.49 Å. The C(2)-O(2) bond length is 1.30 Å. The C(2)-O(6) bond length is 1.27 Å. In the thirteenth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(6,7); one O(3); and one O(7) atom. The C(3)-C(6,7) bond length is 1.49 Å. The C(3)-O(3) bond length is 1.30 Å. The C(3)-O(7) bond length is 1.27 Å. In the fourteenth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(8) atom. The C(4)-C(8) bond length is 1.49 Å. The C(4)-O(4) bond length is 1.30 Å. The C(4)-O(8) bond length is 1.27 Å. In the fifteenth C site, C(5) is bonded in a trigonal planar geometry to one C(1); one C(25,27); and one C(9,11) atom. The C(5)-C(25,27) bond length is 1.40 Å. The C(5)-C(9,11) bond length is 1.40 Å. In the sixteenth C site, C(6,7) is bonded in a trigonal planar geometry to one C(10,12); one C(2); and one C(26,28) atom. The C(6,7)-C(10,12) bond length is 1.40 Å. The C(6,7)-C(26,28) bond length is 1.40 Å. In the seventeenth C site, C(8) is bonded in a trigonal planar geometry to one C(10,12); one C(26,28); and one C(4) atom. The C(8)-C(10,12) bond length is 1.40 Å. The C(8)-C(26,28) bond length is 1.40 Å. In the eighteenth C site, C(9,11) is bonded in a distorted single-bond geometry to one C(13); one C(5); and one H(9,10,11,12) atom. The C(9,11)-C(13) bond length is 1.40 Å. The C(9,11)-H(9,10,11,12) bond length is 1.09 Å. In the nineteenth C site, C(10,12) is bonded in a distorted single-bond geometry to one C(14,15); one C(6,7); and one H(9,10,11,12) atom. The C(10,12)-C(14,15) bond length is 1.40 Å. The C(10,12)-H(9,10,11,12) bond length is 1.09 Å. In the twentieth C site, C(13) is bonded in a trigonal planar geometry to one C(17); one C(41); and one C(9,11) atom. The C(13)-C(17) bond length is 1.41 Å. In the twenty-first C site, C(14,15) is bonded in a trigonal planar geometry to one C(10,12); one C(18,20); and one C(42) atom. The C(14,15)-C(18,20) bond length is 1.41 Å. In the twenty-second C site, C(16) is bonded in a trigonal planar geometry to one C(10,12); one C(18,20); and one C(44) atom. The C(16)-C(10,12) bond length is 1.40 Å. The C(16)-C(18,20) bond length is 1.41 Å. In the twenty-third C site, C(17) is bonded in a distorted single-bond geometry to one C(13), one C(21), and one H(13) atom. The C(17)-C(21) bond length is 1.39 Å. The C(17)-H(13) bond length is 1.09 Å. In the twenty-fourth C site, C(18,20) is bonded in a distorted single-bond geometry to one C(14,15); one C(22,23,24); and one H(14,15,16) atom. The C(18,20)-C(22,23,24) bond length is 1.39 Å. The C(18,20)-H(14,15,16) bond length is 1.09 Å. In the twenty-fifth C site, C(19) is bonded in a distorted single-bond geometry to one C(14,15); one C(22,23,24); and one H(14,15,16) atom. The C(19)-C(14,15) bond length is 1.41 Å. The C(19)-C(22,23,24) bond length is 1.39 Å. The C(19)-H(14,15,16) bond length is 1.09 Å. In the twenty-sixth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(17); one C(25,27); and one H(17,18,19,20) atom. The C(21)-C(25,27) bond length is 1.39 Å. The C(21)-H(17,18,19,20) bond length is 1.09 Å. In the twenty-seventh C site, C(22,23,24) is bonded in a distorted trigonal planar geometry to one C(18,20); one C(26,28); and one H(17,18,19,20) atom. The C(22,23,24)-C(26,28) bond length is 1.39 Å. The C(22,23,24)-H(17,18,19,20) bond length is 1.09 Å. In the twenty-eighth C site, C(25,27) is bonded in a distorted trigonal planar geometry to one C(21), one C(5), and one H(21) atom. The C(25,27)-H(21) bond length is 1.09 Å. In the twenty-ninth C site, C(26,28) is bonded in a distorted trigonal planar geometry to one C(22,23,24); one C(6,7); and one H(22,23,24) atom. The C(26,28)-H(22,23,24) bond length is 1.09 Å. In the thirtieth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(33), one O(13), and one O(9) atom. The C(29)-O(13) bond length is 1.27 Å. The C(29)-O(9) bond length is 1.28 Å. In the thirty-first C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(34), one O(10), and one O(14) atom. The C(30)-O(10) bond length is 1.28 Å. The C(30)-O(14) bond length is 1.27 Å. In the thirty-second C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(35), one O(11), and one O(15) atom. The C(31)-O(11) bond length is 1.28 Å. The C(31)-O(15) bond length is 1.27 Å. In the thirty-third C site, C(32) is bonded in a distorted bent 120 degrees geometry to one C(36), one O(12), and one O(16) atom. The C(32)-O(12) bond length is 1.28 Å. The C(32)-O(16) bond length is 1.27 Å. There are fifteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(17) and one O(9) atom. The H(1)-O(17) bond length is 0.99 Å. The H(1)-O(9) bond length is 1.71 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) and one O(18) atom. The H(2)-O(10) bond length is 1.71 Å. The H(2)-O(18) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(11) and one O(19) atom. The H(3)-O(11) bond length is 1.71 Å. The H(3)-O(19) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(12) and one O(20) atom. The H(4)-O(12) bond length is 1.71 Å. The H(4)-O(20) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(17) atom. The H(5)-O(17) bond length is 0.97 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(18) atom. The H(6)-O(18) bond length is 0.97 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(19) atom. The H(7)-O(19) bond length is 0.97 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(20) atom. The H(8)-O(20) bond length is 0.97 Å. In the ninth H site, H(9,10,11,12) is bonded in a single-bond geometry to one C(9,11) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(17) atom. In the eleventh H site, H(14,15,16) is bonded in a single-bond geometry to one C(18,20) atom. In the twelfth H site, H(17,18,19,20) is bonded in a single-bond geometry to one C(21) atom. In the thirteenth H site, H(21) is bonded in a single-bond geometry to one C(25,27) atom. In the fourteenth H site, H(22,23,24) is bonded in a single-bond geometry to one C(26,28) atom. In the fifteenth H site, H(25,26,27,28) is bonded in a single-bond geometry to one C(37,38,39) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(4), and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cd(2), one Cd(3), and one C(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(3), and one C(3) 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(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cd(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Cd(2) and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Cd(3) and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Cd(4) and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cd(3), one C(29), and one H(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Cd(4), one C(30), and one H(2) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Cd(2), one C(31), and one H(3) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Cd(1), one C(32), and one H(4) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Cd(2), one Cd(3), and one C(29) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(4), and one C(30) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Cd(2), one Cd(4), and one C(31) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(3), and one C(32) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one Cd(1), one H(1), and one H(5) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Cd(2), one H(2), and one H(6) atom. In the nineteenth O site, O(19) is bonded in a distorted water-like geometry to one Cd(3), one H(3), and one H(7) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Cd(4), one H(4), and one H(8) atom. Linkers: 4 [O]C(=O)c1cccc(-c2cc(C([O])=O)c(-c3cccc(C([O])=O)c3)cc2C([O])=O)c1 ,2 [O][C]c1[c][c]cc(-c2cc(C([O])=O)c(-c3cccc(C([O])=O)c3)cc2C([O])=O)c1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 4.44 A, density 1.87 g/cm3, surface area 3393.56 m2/g, accessible volume 0.19 cm3/g