Cd5C50H30(N2O11)2(CH)8(C3H2)4(CH3)4 crystallizes in the monoclinic P2_1/c space group. The structure consists of sixteen 02329_fluka molecules; eight 02329_fluka molecules; and four 2,3-dimethyl-1,3-butadiene molecules inside a Cd5C50H30(N2O11)2 framework. In the Cd5C50H30(N2O11)2 framework, there are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(1), one O(1), one O(11), one O(2), one O(7), and one O(9) atom to form CdNO5 octahedra that share  a cornercorner with one Cd(3)O6 octahedra and corners with two equivalent Cd(2)NO5 octahedra. The corner-sharing octahedral tilt angles range from 50-63°. The Cd(1)-N(1) bond length is 2.35 Å. The Cd(1)-O(1) bond length is 2.25 Å. The Cd(1)-O(11) bond length is 2.24 Å. The Cd(1)-O(2) bond length is 2.36 Å. The Cd(1)-O(7) bond length is 2.34 Å. The Cd(1)-O(9) bond length is 2.33 Å. In the second Cd site, Cd(2) is bonded to one N(2), one O(10), one O(11), one O(5), one O(8), and one O(9) atom to form distorted CdNO5 octahedra that share corners with two equivalent Cd(1)NO5 octahedra and  an edgeedge with one Cd(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. The Cd(2)-N(2) bond length is 2.34 Å. The Cd(2)-O(10) bond length is 2.42 Å. The Cd(2)-O(11) bond length is 2.23 Å. The Cd(2)-O(5) bond length is 2.29 Å. The Cd(2)-O(8) bond length is 2.45 Å. The Cd(2)-O(9) bond length is 2.38 Å. In the third Cd site, Cd(3) is bonded to two equivalent O(11), two equivalent O(4), and two equivalent O(8) atoms to form a mixture of distorted edge and corner-sharing CdO6 octahedra. The corner-sharing octahedral tilt angles are 63°. Both Cd(3)-O(11) bond lengths are 2.27 Å. Both Cd(3)-O(4) bond lengths are 2.29 Å. Both Cd(3)-O(8) bond lengths are 2.39 Å. There are twenty-five inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(2) bond length is 1.38 Å. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(3) bond length is 0.93 Å. In the second C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(9) atom. The C(4)-C(5) bond length is 1.45 Å. The C(4)-C(9) bond length is 1.42 Å. In the third C site, C(5) is bonded in a single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 0.93 Å. In the fourth C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(7,17) atom. The C(8)-C(9) bond length is 1.44 Å. The C(8)-H(7,17) bond length is 0.93 Å. In the fifth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(8) atom. The C(9)-C(10) bond length is 1.43 Å. In the sixth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(12) bond length is 1.54 Å. In the seventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(2), and one O(3) atom. The C(11)-C(2) bond length is 1.43 Å. The C(11)-O(3) bond length is 1.36 Å. In the eighth C site, C(12) is bonded in a water-like geometry to one C(10); one C(13); and two equivalent H(8,9) atoms. The C(12)-C(13) bond length is 1.51 Å. Both C(12)-H(8,9) bond lengths are 0.97 Å. In the ninth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(22) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-C(22) bond length is 1.43 Å. In the tenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one O(6) atom. The C(14)-C(15) bond length is 1.41 Å. The C(14)-O(6) bond length is 1.37 Å. In the eleventh C site, C(15) is bonded in a trigonal planar geometry to one C(14), one C(16), and one C(23) atom. The C(15)-C(16) bond length is 1.38 Å. The C(15)-C(23) bond length is 1.51 Å. In the twelfth C site, C(16) is bonded in a distorted single-bond geometry to one C(15), one C(17), and one H(10) atom. The C(16)-C(17) bond length is 1.41 Å. The C(16)-H(10) bond length is 0.93 Å. In the thirteenth C site, C(21) is bonded in a distorted single-bond geometry to one C(22) and one H(14) atom. The C(21)-C(22) bond length is 1.43 Å. The C(21)-H(14) bond length is 0.93 Å. In the fourteenth C site, C(22) is bonded in a trigonal planar geometry to one C(13), one C(17), and one C(21) atom. The C(22)-C(17) bond length is 1.44 Å. In the fifteenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(4), and one O(5) atom. The C(23)-O(4) bond length is 1.25 Å. The C(23)-O(5) bond length is 1.29 Å. In the sixteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(18) atom. The C(28)-N(1) bond length is 1.34 Å. The C(28)-H(18) bond length is 0.93 Å. In the seventeenth C site, C(31) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(20) atom. The C(31)-N(2) bond length is 1.32 Å. The C(31)-H(20) bond length is 0.93 Å. In the eighteenth C site, C(32) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(21) atom. The C(32)-N(2) bond length is 1.33 Å. The C(32)-H(21) bond length is 0.93 Å. In the nineteenth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(34)-O(7) bond length is 1.24 Å. The C(34)-O(8) bond length is 1.28 Å. In the twentieth C site, C(36) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(9) atom. The C(36)-O(10) bond length is 1.25 Å. The C(36)-O(9) bond length is 1.29 Å. In the twenty-first C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(22) atom. The C(17)-C(18) bond length is 1.45 Å. In the twenty-second C site, C(18) is bonded in a single-bond geometry to one C(17) and one H(11) atom. The C(18)-H(11) bond length is 0.93 Å. In the twenty-third C site, C(24) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(15) atom. The C(24)-N(1) bond length is 1.34 Å. The C(24)-H(15) bond length is 0.93 Å. In the twenty-fourth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.25 Å. In the twenty-fifth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(3) atom. 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(24), and one C(28) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(2), one C(31), and one C(32) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.82 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.82 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(7,17) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(8,9) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(18) atom. In the ninth H site, H(14) is bonded in a single-bond geometry to one C(21) atom. In the tenth H site, H(15) is bonded in a single-bond geometry to one C(24) atom. In the eleventh H site, H(18) is bonded in a single-bond geometry to one C(28) atom. In the twelfth H site, H(20) is bonded in a single-bond geometry to one C(31) atom. In the thirteenth H site, H(21) is bonded in a single-bond geometry to one C(32) atom. In the fourteenth H site, H(29) is bonded in a single-bond geometry to one O(11) atom. The H(29)-O(11) bond length is 0.81 Å. There are eleven inequivalent O sites. In the first O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one C(1) atom. In the second O site, O(3) is bonded in a water-like geometry to one C(11) and one H(1) atom. In the third O site, O(5) is bonded in a 2-coordinate geometry to one Cd(2) and one C(23) atom. In the fourth O site, O(6) is bonded in a water-like geometry to one C(14) and one H(2) atom. In the fifth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one C(34) atom. In the sixth O site, O(8) is bonded in a distorted single-bond geometry to one Cd(2), one Cd(3), and one C(34) atom. In the seventh O site, O(9) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(36) atom. In the eighth O site, O(10) is bonded in a distorted single-bond geometry to one Cd(2) and one C(36) atom. In the ninth O site, O(11) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), one Cd(3), and one H(29) atom. In the tenth O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(1) atom. In the eleventh O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cd(3) and one C(23) atom. Linkers: 4 [O]C(=O)c1cc2ccccc2c(Cc2c(O)c(C([O])=O)cc3ccccc23)c1O ,4 c1cc(-c2ccncc2)ccn1. Metal clusters: 10 [Cd]. The MOF has largest included sphere 4.62 A, density 1.62 g/cm3, surface area 3849.78 m2/g, accessible volume 0.17 cm3/g