Cu6C30H26Br9(N23O)2 crystallizes in the monoclinic C2/m space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one N(1), one N(2), one N(5), one N(8), one O(1), and one Br(1) atom to form distorted corner-sharing CuBrN4O octahedra. The corner-sharing octahedral tilt angles range from 65-66°. The Cu(1)-N(1) bond length is 2.00 Å. The Cu(1)-N(2) bond length is 2.01 Å. The Cu(1)-N(5) bond length is 2.02 Å. The Cu(1)-N(8) bond length is 2.44 Å. The Cu(1)-O(1) bond length is 2.04 Å. The Cu(1)-Br(1) bond length is 2.67 Å. In the second Cu site, Cu(2) is bonded to one N(11), one N(14), two equivalent N(3), one O(1), and one Br(3) atom to form distorted corner-sharing CuBrN4O octahedra. The corner-sharing octahedral tilt angles range from 0-66°. The Cu(2)-N(11) bond length is 2.03 Å. The Cu(2)-N(14) bond length is 2.28 Å. Both Cu(2)-N(3) bond lengths are 2.01 Å. The Cu(2)-O(1) bond length is 2.03 Å. The Cu(2)-Br(3) bond length is 2.78 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(10), and one H(1) atom. The C(1)-N(1) bond length is 1.30 Å. The C(1)-N(10) bond length is 1.36 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(4), and one H(2) atom. The C(2)-N(2) bond length is 1.29 Å. The C(2)-N(4) bond length is 1.34 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(3) atom. The C(3)-N(3) bond length is 1.31 Å. The C(3)-N(4) bond length is 1.36 Å. The C(3)-H(3) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(6), one N(7), and one H(4) atom. The C(4)-N(6) bond length is 1.29 Å. The C(4)-N(7) bond length is 1.35 Å. The C(4)-H(4) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(5), one N(7), and one H(5) atom. The C(5)-N(5) bond length is 1.29 Å. The C(5)-N(7) bond length is 1.35 Å. The C(5)-H(5) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a water-like geometry to one N(8) and one N(9) atom. The C(6)-N(8) bond length is 1.30 Å. The C(6)-N(9) bond length is 1.38 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(12), one N(13), and one H(7) atom. The C(7)-N(12) bond length is 1.30 Å. The C(7)-N(13) bond length is 1.36 Å. The C(7)-H(7) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(11), one N(13), and one H(8) atom. The C(8)-N(11) bond length is 1.31 Å. The C(8)-N(13) bond length is 1.36 Å. The C(8)-H(8) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one N(14) and two equivalent N(9) atoms. The C(9)-N(14) bond length is 1.31 Å. Both C(9)-N(9) bond lengths are 1.33 Å. There are fourteen inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Cu(1), one C(1), and one N(1) atom. The N(1)-N(1) bond length is 1.40 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(2), and one N(3) atom. The N(2)-N(3) bond length is 1.37 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(3), and one N(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one N(7) atom. The N(4)-N(7) bond length is 1.39 Å. In the fifth N site, N(5) is bonded in a 3-coordinate geometry to one Cu(1), one C(5), and one N(6) atom. The N(5)-N(6) bond length is 1.39 Å. In the sixth N site, N(6) is bonded in a distorted water-like geometry to one C(4) and one N(5) atom. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one C(4), one C(5), and one N(4) atom. In the eighth N site, N(8) is bonded in a distorted single-bond geometry to one Cu(1), one C(6), and one N(14) atom. The N(8)-N(14) bond length is 1.49 Å. In the ninth N site, N(9) is bonded in a 4-coordinate geometry to one C(6), one C(9), and two equivalent N(9) atoms. There is one shorter (1.07 Å) and one longer (1.37 Å) N(9)-N(9) bond length. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to two equivalent C(1) and one N(13) atom. The N(10)-N(13) bond length is 1.39 Å. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Cu(2), one C(8), and one N(12) atom. The N(11)-N(12) bond length is 1.39 Å. In the twelfth N site, N(12) is bonded in a water-like geometry to one C(7) and one N(11) atom. In the thirteenth N site, N(13) is bonded in a distorted trigonal planar geometry to one C(7), one C(8), and one N(10) atom. In the fourteenth N site, N(14) is bonded in a 4-coordinate geometry to one Cu(2), one C(9), and two equivalent N(8) atoms. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. 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(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(1) atom. The H(6)-O(1) bond length is 0.85 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(8) atom. O(1) is bonded in a distorted single-bond geometry to one Cu(2), two equivalent Cu(1), and one H(6) atom. There are three inequivalent Br sites. In the first Br site, Br(3) is bonded in a linear geometry to two equivalent Cu(2) atoms. In the second Br site, Br(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one Br(2) atom. The Br(1)-Br(2) bond length is 2.02 Å. In the third Br site, Br(2) is bonded in a single-bond geometry to one Br(1) atom. Linkers: 2 [N]1[C][N@]23[C]4[N@]1[N][C][N@]24[N@@]12[N@]43[C][N][N@@]([C]14)[N][C]2 ,12 c1nncn1-n1cnnc1. Metal clusters: 12 [Cu]. The MOF has largest included sphere 5.51 A, density 1.93 g/cm3, surface area 2897.53 m2/g, accessible volume 0.22 cm3/g