CdC10N3H4O4C3H2C3H2Br crystallizes in the tetragonal I4_1/a space group. The structure consists of eight 2,3-dimethyl-1,3-butadiene molecules and sixteen 2-bromopropene molecules inside a CdC10N3H4O4 framework. In the CdC10N3H4O4 framework, Cd(1) is bonded to one N(1), one N(2), one N(3), one O(1), and two equivalent O(4) atoms to form distorted edge-sharing CdN3O3 pentagonal pyramids. The Cd(1)-N(1) bond length is 2.27 Å. The Cd(1)-N(2) bond length is 2.23 Å. The Cd(1)-N(3) bond length is 2.33 Å. The Cd(1)-O(1) bond length is 2.46 Å. There is one shorter (2.28 Å) and one longer (2.43 Å) Cd(1)-O(4) bond length. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(1)-O(3) bond length is 1.26 Å. The C(1)-O(4) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one N(1) atom. The C(2)-N(1) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one N(2) atom. The C(3)-N(2) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(4)-O(1) bond length is 1.24 Å. The C(4)-O(2) bond length is 1.30 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one N(2) atom. The C(5)-C(6) bond length is 1.48 Å. The C(5)-N(1) bond length is 1.35 Å. The C(5)-N(2) bond length is 1.34 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(11), one C(5), and one C(7) atom. The C(6)-C(11) bond length is 1.39 Å. The C(6)-C(7) bond length is 1.37 Å. In the seventh C site, C(11) is bonded in a distorted single-bond geometry to one C(6) and one H(4) atom. The C(11)-H(4) bond length is 0.93 Å. In the eighth C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(1) atom. The C(7)-H(1) bond length is 0.93 Å. In the ninth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(5) atom. The C(12)-N(3) bond length is 1.34 Å. The C(12)-H(5) bond length is 0.93 Å. In the tenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(8) atom. The C(16)-N(3) bond length is 1.32 Å. The C(16)-H(8) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(2), and one C(5) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(3), and one C(5) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cd(1), one C(12), and one C(16) atom. There are four 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(4) is bonded in a single-bond geometry to one C(11) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(12) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(16) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(4) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(4) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Cd(1) and one C(1) atom. Linkers: 7 [O]C(=O)C1=C(C([O])=O)N=C(c2ccc(Br)cc2)[N]1 ,4 c1cc(-c2ccncc2)ccn1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 5.45 A, density 1.65 g/cm3, surface area 3638.38 m2/g, accessible volume 0.28 cm3/g