Cd3C28H12(NO6)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(5), one O(7), and two equivalent O(9) atoms. The Cd(1)-O(1) bond length is 2.21 Å. The Cd(1)-O(11) bond length is 2.28 Å. The Cd(1)-O(5) bond length is 2.29 Å. The Cd(1)-O(7) bond length is 2.37 Å. There is one shorter (2.34 Å) and one longer (2.67 Å) Cd(1)-O(9) bond length. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(12), one O(2), one O(6), one O(8), and two equivalent O(10) atoms. The Cd(2)-O(12) bond length is 2.28 Å. The Cd(2)-O(2) bond length is 2.21 Å. The Cd(2)-O(6) bond length is 2.29 Å. The Cd(2)-O(8) bond length is 2.37 Å. There is one shorter (2.35 Å) and one longer (2.67 Å) Cd(2)-O(10) bond length. In the third Cd site, Cd(3) is bonded in a distorted pentagonal pyramidal geometry to one N(1), one N(2), one O(3), one O(4), one O(7), and one O(8) atom. The Cd(3)-N(1) bond length is 2.36 Å. The Cd(3)-N(2) bond length is 2.37 Å. The Cd(3)-O(3) bond length is 2.28 Å. The Cd(3)-O(4) bond length is 2.27 Å. The Cd(3)-O(7) bond length is 2.37 Å. The Cd(3)-O(8) bond length is 2.37 Å. There are twenty-seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(1)-C(3) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(3) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(2)-C(4) bond length is 1.50 Å. The C(2)-O(2) bond length is 1.28 Å. The C(2)-O(4) bond length is 1.26 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(5) atom. The C(3)-C(13) bond length is 1.40 Å. The C(3)-C(5) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(14), one C(2), and one C(6) atom. The C(4)-C(14) bond length is 1.40 Å. The C(4)-C(6) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(3) and one H(1,2) atom. The C(5)-H(1,2) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(1,2) atom. The C(6)-H(1,2) bond length is 1.09 Å. In the seventh C site, C(7,8) is bonded in a distorted single-bond geometry to one C(9) and one H(3,4) atom. The C(7,8)-C(9) bond length is 1.40 Å. The C(7,8)-H(3,4) bond length is 1.09 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(11); one C(15); and one C(7,8) atom. The C(9)-C(11) bond length is 1.41 Å. The C(9)-C(15) bond length is 1.48 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one C(12); one C(16); and one C(7,8) atom. The C(10)-C(12) bond length is 1.41 Å. The C(10)-C(16) bond length is 1.48 Å. The C(10)-C(7,8) bond length is 1.40 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(13), one C(27), and one C(9) atom. The C(11)-C(13) bond length is 1.40 Å. The C(11)-C(27) bond length is 1.51 Å. In the eleventh C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(28) atom. The C(12)-C(14) bond length is 1.40 Å. The C(12)-C(28) bond length is 1.51 Å. In the twelfth C site, C(13) is bonded in a distorted single-bond geometry to one C(11); one C(3); and one H(5,6) atom. The C(13)-H(5,6) bond length is 1.09 Å. In the thirteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(12); one C(4); and one H(5,6) atom. The C(14)-H(5,6) bond length is 1.09 Å. In the fourteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(17), one C(9), and one N(1) atom. The C(15)-C(17) bond length is 1.40 Å. The C(15)-N(1) bond length is 1.35 Å. In the fifteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(10), one C(18), and one N(2) atom. The C(16)-C(18) bond length is 1.40 Å. The C(16)-N(2) bond length is 1.35 Å. In the sixteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(15) and one H(7,8) atom. The C(17)-H(7,8) bond length is 1.09 Å. In the seventeenth C site, C(18) is bonded in a distorted single-bond geometry to one C(16) and one H(7,8) atom. The C(18)-H(7,8) bond length is 1.09 Å. In the eighteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(21) and one H(9,10) atom. The C(19)-C(21) bond length is 1.40 Å. The C(19)-H(9,10) bond length is 1.09 Å. In the nineteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(22) and one H(9,10) atom. The C(20)-C(22) bond length is 1.40 Å. The C(20)-H(9,10) bond length is 1.09 Å. In the twentieth C site, C(21) is bonded in a trigonal planar geometry to one C(19), one C(23), and one C(25) atom. The C(21)-C(23) bond length is 1.39 Å. The C(21)-C(25) bond length is 1.49 Å. In the twenty-first C site, C(22) is bonded in a trigonal planar geometry to one C(20), one C(24), and one C(26) atom. The C(22)-C(24) bond length is 1.39 Å. The C(22)-C(26) bond length is 1.50 Å. In the twenty-second C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(21), one N(1), and one H(11) atom. The C(23)-N(1) bond length is 1.34 Å. The C(23)-H(11) bond length is 1.09 Å. In the twenty-third C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(22), one N(2), and one H(12) atom. The C(24)-N(2) bond length is 1.34 Å. The C(24)-H(12) bond length is 1.09 Å. In the twenty-fourth C site, C(25) is bonded in a distorted bent 120 degrees geometry to one C(21), one O(11), and one O(9) atom. The C(25)-O(11) bond length is 1.28 Å. The C(25)-O(9) bond length is 1.27 Å. In the twenty-fifth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(22), one O(10), and one O(12) atom. The C(26)-O(10) bond length is 1.27 Å. The C(26)-O(12) bond length is 1.28 Å. In the twenty-sixth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(5), and one O(7) atom. The C(27)-O(5) bond length is 1.26 Å. The C(27)-O(7) bond length is 1.28 Å. In the twenty-seventh C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(6), and one O(8) atom. The C(28)-O(6) bond length is 1.26 Å. The C(28)-O(8) 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(3), one C(15), and one C(23) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(3), one C(16), and one C(24) atom. There are seven inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(3,4) is bonded in a single-bond geometry to one C(7,8) atom. In the third H site, H(5,6) is bonded in a single-bond geometry to one C(13) atom. In the fourth H site, H(7,8) is bonded in a single-bond geometry to one C(17) atom. In the fifth H site, H(9,10) is bonded in a single-bond geometry to one C(19) atom. In the sixth H site, H(11) is bonded in a single-bond geometry to one C(23) atom. In the seventh H site, H(12) is bonded in a single-bond geometry to one C(24) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cd(2) and one C(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Cd(3) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Cd(3) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(27) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(28) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Cd(1), one Cd(3), and one C(27) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Cd(2), one Cd(3), and one C(28) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one C(25) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to two equivalent Cd(2) and one C(26) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one Cd(1) and one C(25) atom. In the twelfth O site, O(12) is bonded in a water-like geometry to one Cd(2) and one C(26) atom. Linkers: 4 [O]C(=O)c1ccc(-c2ccc(C([O])=O)cc2C([O])=O)nc1. Metal clusters: 6 [Cd]. The MOF has largest included sphere 2.34 A, density 2.25 g/cm3, surface area 2946.34 m2/g, accessible volume 0.09 cm3/g