CdC23H20Br3(N2O3)2 crystallizes in the triclinic P-1 space group. Cd(1) is bonded in a distorted octahedral geometry to one N(1), one N(2), one O(1), one O(2), one O(3), and one O(4) atom. The Cd(1)-N(1) bond length is 2.28 Å. The Cd(1)-N(2) bond length is 2.28 Å. The Cd(1)-O(1) bond length is 2.39 Å. The Cd(1)-O(2) bond length is 2.26 Å. The Cd(1)-O(3) bond length is 2.53 Å. The Cd(1)-O(4) bond length is 2.55 Å. There are twenty-three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(11), one C(5), and one Br(2) atom. The C(1)-C(11) bond length is 1.39 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-Br(2) bond length is 1.91 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(18), one C(6), and one N(1) atom. The C(2)-C(18) bond length is 1.49 Å. The C(2)-C(6) bond length is 1.41 Å. The C(2)-N(1) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(3) atom. The C(3)-C(5) bond length is 1.51 Å. The C(3)-O(1) bond length is 1.29 Å. The C(3)-O(3) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(10), one C(20), and one C(7) atom. The C(4)-C(10) bond length is 1.51 Å. The C(4)-C(20) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(3) atom. The C(5)-C(11) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(13), one C(16), and one C(2) atom. The C(6)-C(13) bond length is 1.40 Å. The C(6)-C(16) bond length is 1.50 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(4), one C(9), and one H(4) atom. The C(7)-C(9) bond length is 1.39 Å. The C(7)-H(4) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(8)-C(12) bond length is 1.42 Å. The C(8)-C(14) bond length is 1.40 Å. The C(8)-C(16) bond length is 1.50 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(15), one C(7), and one Br(1) atom. The C(9)-C(15) bond length is 1.41 Å. The C(9)-Br(1) bond length is 1.90 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(10)-O(2) bond length is 1.27 Å. The C(10)-O(4) bond length is 1.27 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(5) atom. The C(11)-H(5) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(17), one C(8), and one N(2) atom. The C(12)-C(17) bond length is 1.49 Å. The C(12)-N(2) bond length is 1.35 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(23), one C(6), and one N(4) atom. The C(13)-C(23) bond length is 1.49 Å. The C(13)-N(4) bond length is 1.35 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(22), one C(8), and one N(3) atom. The C(14)-C(22) bond length is 1.48 Å. The C(14)-N(3) bond length is 1.35 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(9) atom. The C(15)-C(19) bond length is 1.40 Å. The C(15)-C(21) bond length is 1.50 Å. In the sixteenth C site, C(16) is bonded in a water-like geometry to one C(6), one C(8), one H(6), and one H(7) atom. The C(16)-H(6) bond length is 1.10 Å. The C(16)-H(7) bond length is 1.10 Å. In the seventeenth C site, C(17) is bonded in a distorted trigonal non-coplanar geometry to one C(12), one H(10), one H(8), and one H(9) atom. The C(17)-H(10) bond length is 1.10 Å. The C(17)-H(8) bond length is 1.10 Å. The C(17)-H(9) bond length is 1.10 Å. In the eighteenth C site, C(18) is bonded in a distorted trigonal non-coplanar geometry to one C(2), one H(11), one H(12), and one H(13) atom. The C(18)-H(11) bond length is 1.10 Å. The C(18)-H(12) bond length is 1.10 Å. The C(18)-H(13) bond length is 1.10 Å. In the nineteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(15), one C(20), and one H(14) atom. The C(19)-C(20) bond length is 1.39 Å. The C(19)-H(14) bond length is 1.09 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(4), and one Br(3) atom. The C(20)-Br(3) bond length is 1.91 Å. In the twenty-first C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(5), and one O(6) atom. The C(21)-O(5) bond length is 1.32 Å. The C(21)-O(6) bond length is 1.24 Å. In the twenty-second C site, C(22) is bonded in a distorted trigonal non-coplanar geometry to one C(14), one H(15), one H(16), and one H(17) atom. The C(22)-H(15) bond length is 1.10 Å. The C(22)-H(16) bond length is 1.09 Å. The C(22)-H(17) bond length is 1.10 Å. In the twenty-third C site, C(23) is bonded in a distorted trigonal non-coplanar geometry to one C(13), one H(18), one H(19), and one H(20) atom. The C(23)-H(18) bond length is 1.10 Å. The C(23)-H(19) bond length is 1.10 Å. The C(23)-H(20) bond length is 1.10 Å. There are four 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 N(4) atom. The N(1)-N(4) bond length is 1.35 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cd(1), one C(12), and one N(3) atom. The N(2)-N(3) bond length is 1.35 Å. In the third N site, N(3) is bonded in a 2-coordinate geometry to one C(14), one N(2), and one H(2) atom. The N(3)-H(2) bond length is 1.04 Å. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one C(13), one N(1), and one H(3) atom. The N(4)-H(3) bond length is 1.02 Å. There are twenty inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(5) atom. The H(1)-O(1) bond length is 1.50 Å. The H(1)-O(5) bond length is 1.03 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one N(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(17) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(17) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(18) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(18) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(18) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(19) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(22) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(22) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(22) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(23) atom. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(23) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(23) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1), one C(3), and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(10) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cd(1) and one C(10) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one C(21) and one H(1) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(21) atom. There are three inequivalent Br sites. In the first Br site, Br(1) is bonded in a single-bond geometry to one C(9) atom. In the second Br site, Br(2) is bonded in a single-bond geometry to one C(1) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one C(20) atom. Linkers: 2 Cc1n[nH]c(C)c1Cc1c(C)n[nH]c1C ,1 [O]C(=O)c1cc(Br)c(C([O])=O)cc1Br. Metal clusters: 2 [Cd]. The MOF has largest included sphere 2.89 A, density 1.94 g/cm3, surface area 3802.43 m2/g, accessible volume 0.17 cm3/g