CdC15H11Br(N2O)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(3), one N(7), one O(2), one O(4), and two equivalent Br(1) atoms to form distorted edge-sharing CdBr2N2O2 octahedra. The Cd(1)-N(3) bond length is 2.32 Å. The Cd(1)-N(7) bond length is 2.40 Å. The Cd(1)-O(2) bond length is 2.31 Å. The Cd(1)-O(4) bond length is 2.61 Å. There is one shorter (2.66 Å) and one longer (2.82 Å) Cd(1)-Br(1) bond length. In the second Cd site, Cd(2) is bonded to one N(4), one N(8), one O(1), one O(3), and two equivalent Br(2) atoms to form distorted edge-sharing CdBr2N2O2 octahedra. The Cd(2)-N(4) bond length is 2.33 Å. The Cd(2)-N(8) bond length is 2.40 Å. The Cd(2)-O(1) bond length is 2.31 Å. The Cd(2)-O(3) bond length is 2.62 Å. There is one shorter (2.66 Å) and one longer (2.82 Å) Cd(2)-Br(2) bond length. There are twenty-six 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 1.51 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 1.51 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 distorted trigonal planar geometry to one C(11,12); one C(7,8); and one N(1) atom. The C(9)-C(11,12) bond length is 1.40 Å. The C(9)-N(1) bond length is 1.43 Å. In the ninth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(7,8); and one N(2) atom. The C(10)-C(11,12) bond length is 1.40 Å. The C(10)-C(7,8) bond length is 1.40 Å. The C(10)-N(2) bond length is 1.43 Å. In the tenth C site, C(11,12) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one H(5) atom. The C(11,12)-C(13) bond length is 1.39 Å. The C(11,12)-H(5) bond length is 1.09 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(11,12); one C(3); and one H(7,8) atom. The C(13)-H(7,8) bond length is 1.09 Å. In the twelfth C site, C(14) is bonded in a distorted single-bond geometry to one C(11,12); one C(4); and one H(7,8) atom. The C(14)-C(11,12) bond length is 1.39 Å. The C(14)-H(7,8) bond length is 1.09 Å. In the thirteenth C site, C(15) is bonded in a distorted trigonal non-coplanar geometry to one C(17); one H(11); one H(13,14); and one H(9) atom. The C(15)-C(17) bond length is 1.48 Å. The C(15)-H(11) bond length is 1.10 Å. The C(15)-H(13,14) bond length is 1.09 Å. The C(15)-H(9) bond length is 1.10 Å. In the fourteenth C site, C(16) is bonded in a distorted trigonal non-coplanar geometry to one C(18); one H(10); one H(12); and one H(13,14) atom. The C(16)-C(18) bond length is 1.48 Å. The C(16)-H(10) bond length is 1.10 Å. The C(16)-H(12) bond length is 1.10 Å. The C(16)-H(13,14) bond length is 1.09 Å. In the fifteenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(15), one N(1), and one N(3) atom. The C(17)-N(1) bond length is 1.37 Å. The C(17)-N(3) bond length is 1.33 Å. In the sixteenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(16), one N(2), and one N(4) atom. The C(18)-N(2) bond length is 1.37 Å. The C(18)-N(4) bond length is 1.33 Å. In the seventeenth C site, C(19,20) is bonded in a distorted trigonal planar geometry to one C(21), one N(1), and one N(5) atom. The C(19,20)-C(21) bond length is 1.46 Å. The C(19,20)-N(1) bond length is 1.38 Å. The C(19,20)-N(5) bond length is 1.32 Å. In the eighteenth C site, C(21) is bonded in a trigonal planar geometry to one C(19,20); one C(23,24); and one C(29) atom. The C(21)-C(23,24) bond length is 1.40 Å. The C(21)-C(29) bond length is 1.40 Å. In the nineteenth C site, C(22) is bonded in a trigonal planar geometry to one C(19,20); one C(23,24); and one C(30) atom. The C(22)-C(19,20) bond length is 1.46 Å. The C(22)-C(23,24) bond length is 1.40 Å. The C(22)-C(30) bond length is 1.40 Å. In the twentieth C site, C(23,24) is bonded in a distorted single-bond geometry to one C(21) and one H(15,16) atom. The C(23,24)-H(15,16) bond length is 1.09 Å. In the twenty-first C site, C(25) is bonded in a distorted single-bond geometry to one C(27) and one H(17) atom. The C(25)-C(27) bond length is 1.39 Å. The C(25)-H(17) bond length is 1.09 Å. In the twenty-second C site, C(26) is bonded in a distorted single-bond geometry to one C(28) and one H(18) atom. The C(26)-C(28) bond length is 1.39 Å. The C(26)-H(18) bond length is 1.09 Å. In the twenty-third C site, C(27) is bonded in a distorted trigonal planar geometry to one C(25), one N(7), and one H(19) atom. The C(27)-N(7) bond length is 1.34 Å. The C(27)-H(19) bond length is 1.09 Å. In the twenty-fourth C site, C(28) is bonded in a distorted trigonal planar geometry to one C(26), one N(8), and one H(20) atom. The C(28)-N(8) bond length is 1.34 Å. The C(28)-H(20) bond length is 1.09 Å. In the twenty-fifth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(21); one N(7); and one H(21,22) atom. The C(29)-N(7) bond length is 1.34 Å. The C(29)-H(21,22) bond length is 1.09 Å. In the twenty-sixth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(22); one N(8); and one H(21,22) atom. The C(30)-N(8) bond length is 1.34 Å. The C(30)-H(21,22) bond length is 1.09 Å. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(17); one C(19,20); and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(10); one C(18); and one C(19,20) atom. The N(2)-C(19,20) bond length is 1.38 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(17), and one N(5) atom. The N(3)-N(5) bond length is 1.37 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(18), and one N(6) atom. The N(4)-N(6) bond length is 1.37 Å. In the fifth N site, N(5) is bonded in a distorted water-like geometry to one C(19,20) and one N(3) atom. In the sixth N site, N(6) is bonded in a distorted water-like geometry to one C(19,20) and one N(4) atom. The N(6)-C(19,20) bond length is 1.32 Å. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Cd(1), one C(27), and one C(29) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Cd(2), one C(28), and one C(30) atom. There are sixteen 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) is bonded in a single-bond geometry to one C(11,12) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(11,12) atom. The H(6)-C(11,12) bond length is 1.09 Å. In the fifth H site, H(7,8) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(15) 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(15) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(16) atom. In the tenth H site, H(13,14) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(15,16) is bonded in a single-bond geometry to one C(23,24) atom. In the twelfth H site, H(17) is bonded in a single-bond geometry to one C(25) atom. In the thirteenth H site, H(18) is bonded in a single-bond geometry to one C(26) atom. In the fourteenth H site, H(19) is bonded in a single-bond geometry to one C(27) atom. In the fifteenth H site, H(20) is bonded in a single-bond geometry to one C(28) atom. In the sixteenth H site, H(21,22) is bonded in a single-bond geometry to one C(29) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Cd(2) and one C(1) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Cd(1) and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cd(2) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cd(1) and one C(2) atom. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in an L-shaped geometry to two equivalent Cd(1) atoms. In the second Br site, Br(2) is bonded in an L-shaped geometry to two equivalent Cd(2) atoms. Linkers: 4 Cc1nnc(-c2cccnc2)n1-c1ccc(C([O])=O)cc1. Metal clusters: 2 O=[C]O[Cd]Br.O=[C]O[Cd]Br. The MOF has largest included sphere 3.49 A, density 1.85 g/cm3, surface area 3700.46 m2/g, accessible volume 0.16 cm3/g