CoC20H12Br4(NO)4(CH)2 crystallizes in the monoclinic C2/c space group. The structure consists of thirty-two 02329_fluka molecules inside a CoC20H12Br4(NO)4 framework. In each CoC20H12Br4(NO)4 framework, there are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted tetrahedral geometry to one N(1), one N(5), one O(2), one O(4), and one O(6) atom. The Co(1)-N(1) bond length is 2.02 Å. The Co(1)-N(5) bond length is 2.02 Å. The Co(1)-O(2) bond length is 1.98 Å. The Co(1)-O(4) bond length is 1.97 Å. The Co(1)-O(6) bond length is 2.59 Å. In the second Co site, Co(2) is bonded in a 5-coordinate geometry to one N(2), one N(8), one O(1), one O(3), and one O(8) atom. The Co(2)-N(2) bond length is 2.02 Å. The Co(2)-N(8) bond length is 2.03 Å. The Co(2)-O(1) bond length is 2.45 Å. The Co(2)-O(3) bond length is 2.00 Å. The Co(2)-O(8) bond length is 1.96 Å. There are forty inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(4), one C(9), and one Br(7) atom. The C(1)-C(4) bond length is 1.39 Å. The C(1)-C(9) bond length is 1.38 Å. The C(1)-Br(7) bond length is 1.88 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(24) and one H(1) atom. The C(2)-C(24) bond length is 1.40 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(19), one C(6), and one Br(6) atom. The C(3)-C(19) bond length is 1.37 Å. The C(3)-C(6) bond length is 1.39 Å. The C(3)-Br(6) bond length is 1.89 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(19), and one Br(5) atom. The C(4)-C(19) bond length is 1.38 Å. The C(4)-Br(5) bond length is 1.89 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(21), one O(4), and one O(6) atom. The C(5)-C(21) bond length is 1.52 Å. The C(5)-O(4) bond length is 1.29 Å. The C(5)-O(6) bond length is 1.20 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(3), one C(9), and one Br(4) atom. The C(6)-C(9) bond length is 1.38 Å. The C(6)-Br(4) bond length is 1.89 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(6), and one H(2) atom. The C(7)-N(1) bond length is 1.31 Å. The C(7)-N(6) bond length is 1.34 Å. The C(7)-H(2) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a 3-coordinate geometry to one C(24), one N(6), one H(3), and one H(4) atom. The C(8)-C(24) bond length is 1.52 Å. The C(8)-N(6) bond length is 1.46 Å. The C(8)-H(3) bond length is 0.97 Å. The C(8)-H(4) bond length is 0.97 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(1), one C(41), and one C(6) atom. The C(9)-C(41) bond length is 1.54 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(16), and one Br(3) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(16) bond length is 1.39 Å. The C(11)-Br(3) bond length is 1.88 Å. In the eleventh C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(21), and one Br(2) atom. The C(12)-C(21) bond length is 1.36 Å. The C(12)-Br(2) bond length is 1.89 Å. In the twelfth C site, C(13) is bonded in a trigonal planar geometry to one C(21), one C(27), and one Br(8) atom. The C(13)-C(21) bond length is 1.40 Å. The C(13)-C(27) bond length is 1.38 Å. The C(13)-Br(8) bond length is 1.89 Å. In the thirteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(1), and one O(3) atom. The C(14)-C(16) bond length is 1.50 Å. The C(14)-O(1) bond length is 1.22 Å. The C(14)-O(3) bond length is 1.28 Å. In the fourteenth C site, C(15) is bonded in a trigonal planar geometry to one C(25), one C(36), and one C(37) atom. The C(15)-C(25) bond length is 1.51 Å. The C(15)-C(36) bond length is 1.35 Å. The C(15)-C(37) bond length is 1.40 Å. In the fifteenth C site, C(16) is bonded in a trigonal planar geometry to one C(11), one C(14), and one C(27) atom. The C(16)-C(27) bond length is 1.37 Å. In the sixteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(36) and one H(7) atom. The C(18)-C(36) bond length is 1.41 Å. The C(18)-H(7) bond length is 0.93 Å. In the seventeenth C site, C(19) is bonded in a trigonal planar geometry to one C(26), one C(3), and one C(4) atom. The C(19)-C(26) bond length is 1.52 Å. In the eighteenth C site, C(21) is bonded in a trigonal planar geometry to one C(12), one C(13), and one C(5) atom. In the nineteenth C site, C(22) is bonded in a trigonal planar geometry to one C(24), one C(33), and one C(34) atom. The C(22)-C(24) bond length is 1.40 Å. The C(22)-C(33) bond length is 1.52 Å. The C(22)-C(34) bond length is 1.36 Å. In the twentieth C site, C(23) is bonded in a trigonal planar geometry to one N(3), one N(5), and one H(9) atom. The C(23)-N(3) bond length is 1.33 Å. The C(23)-N(5) bond length is 1.33 Å. The C(23)-H(9) bond length is 0.93 Å. In the twenty-first C site, C(24) is bonded in a trigonal planar geometry to one C(2), one C(22), and one C(8) atom. In the twenty-second C site, C(25) is bonded in a 3-coordinate geometry to one C(15), one N(4), one H(10), and one H(11) atom. The C(25)-N(4) bond length is 1.48 Å. The C(25)-H(10) bond length is 0.97 Å. The C(25)-H(11) bond length is 0.97 Å. In the twenty-third C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(2), and one O(7) atom. The C(26)-O(2) bond length is 1.25 Å. The C(26)-O(7) bond length is 1.23 Å. In the twenty-fourth C site, C(27) is bonded in a trigonal planar geometry to one C(13), one C(16), and one Br(1) atom. The C(27)-Br(1) bond length is 1.91 Å. In the twenty-fifth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(12) atom. The C(28)-N(4) bond length is 1.35 Å. The C(28)-H(12) bond length is 0.93 Å. In the twenty-sixth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(35), one N(6), and one H(13) atom. The C(29)-C(35) bond length is 1.33 Å. The C(29)-N(6) bond length is 1.35 Å. The C(29)-H(13) bond length is 0.93 Å. In the twenty-seventh C site, C(30) is bonded in a trigonal planar geometry to one N(2), one N(7), and one H(14) atom. The C(30)-N(2) bond length is 1.31 Å. The C(30)-N(7) bond length is 1.32 Å. The C(30)-H(14) bond length is 0.93 Å. In the twenty-eighth C site, C(31) is bonded in a distorted trigonal planar geometry to one C(44), one N(5), and one H(15) atom. The C(31)-C(44) bond length is 1.37 Å. The C(31)-N(5) bond length is 1.36 Å. The C(31)-H(15) bond length is 0.93 Å. In the twenty-ninth C site, C(32) is bonded in a 3-coordinate geometry to one C(36), one N(7), one H(16), and one H(17) atom. The C(32)-C(36) bond length is 1.53 Å. The C(32)-N(7) bond length is 1.46 Å. The C(32)-H(16) bond length is 0.97 Å. The C(32)-H(17) bond length is 0.97 Å. In the thirtieth C site, C(33) is bonded in a 3-coordinate geometry to one C(22); one N(3); and two equivalent H(18,19) atoms. The C(33)-N(3) bond length is 1.46 Å. Both C(33)-H(18,19) bond lengths are 0.97 Å. In the thirty-first C site, C(34) is bonded in a single-bond geometry to one C(22) and one H(20) atom. The C(34)-H(20) bond length is 0.93 Å. In the thirty-second C site, C(35) is bonded in a distorted trigonal planar geometry to one C(29), one N(1), and one H(21) atom. The C(35)-N(1) bond length is 1.38 Å. The C(35)-H(21) bond length is 0.93 Å. In the thirty-third C site, C(36) is bonded in a trigonal planar geometry to one C(15), one C(18), and one C(32) atom. In the thirty-fourth C site, C(37) is bonded in a single-bond geometry to one C(15) and one H(22) atom. The C(37)-H(22) bond length is 0.93 Å. In the thirty-fifth C site, C(38) is bonded in a trigonal planar geometry to one N(4), one N(8), and one H(23) atom. The C(38)-N(4) bond length is 1.32 Å. The C(38)-N(8) bond length is 1.33 Å. The C(38)-H(23) bond length is 0.93 Å. In the thirty-sixth C site, C(40) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(25) atom. The C(40)-N(8) bond length is 1.34 Å. The C(40)-H(25) bond length is 0.93 Å. In the thirty-seventh C site, C(41) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(5), and one O(8) atom. The C(41)-O(5) bond length is 1.21 Å. The C(41)-O(8) bond length is 1.26 Å. In the thirty-eighth C site, C(42) is bonded in a 3-coordinate geometry to one C(43), one N(2), and one H(26) atom. The C(42)-C(43) bond length is 1.36 Å. The C(42)-N(2) bond length is 1.38 Å. The C(42)-H(26) bond length is 0.93 Å. In the thirty-ninth C site, C(43) is bonded in a 2-coordinate geometry to one C(42), one N(7), and one H(27) atom. The C(43)-N(7) bond length is 1.40 Å. The C(43)-H(27) bond length is 0.93 Å. In the fortieth C site, C(44) is bonded in a distorted bent 120 degrees geometry to one C(31), one N(3), and one H(28) atom. The C(44)-N(3) bond length is 1.35 Å. The C(44)-H(28) bond length is 0.93 Å. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(35), and one C(7) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(2), one C(30), and one C(42) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(23), one C(33), and one C(44) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(25), one C(28), and one C(38) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Co(1), one C(23), and one C(31) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(29), one C(7), and one C(8) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one C(30), one C(32), and one C(43) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Co(2), one C(38), and one C(40) atom. There are twenty-three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(18) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(23) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(25) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(25) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(28) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(29) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(30) atom. In the twelfth H site, H(15) is bonded in a single-bond geometry to one C(31) atom. In the thirteenth H site, H(16) is bonded in a single-bond geometry to one C(32) atom. In the fourteenth H site, H(17) is bonded in a single-bond geometry to one C(32) atom. In the fifteenth H site, H(18,19) is bonded in a single-bond geometry to one C(33) atom. In the sixteenth H site, H(20) is bonded in a single-bond geometry to one C(34) atom. In the seventeenth H site, H(21) is bonded in a single-bond geometry to one C(35) atom. In the eighteenth H site, H(22) is bonded in a single-bond geometry to one C(37) atom. In the nineteenth H site, H(23) is bonded in a single-bond geometry to one C(38) atom. In the twentieth H site, H(25) is bonded in a single-bond geometry to one C(40) atom. In the twenty-first H site, H(26) is bonded in a single-bond geometry to one C(42) atom. In the twenty-second H site, H(27) is bonded in a single-bond geometry to one C(43) atom. In the twenty-third H site, H(28) is bonded in a single-bond geometry to one C(44) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Co(2) and one C(14) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(1) and one C(26) atom. In the third O site, O(3) is bonded in a water-like geometry to one Co(2) and one C(14) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Co(1) and one C(5) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(41) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Co(1) and one C(5) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(26) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(2) and one C(41) atom. There are eight inequivalent Br sites. In the first Br site, Br(1) is bonded in a single-bond geometry to one C(27) atom. In the second Br site, Br(2) is bonded in a single-bond geometry to one C(12) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one C(11) atom. In the fourth Br site, Br(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth Br site, Br(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth Br site, Br(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh Br site, Br(7) is bonded in a single-bond geometry to one C(1) atom. In the eighth Br site, Br(8) is bonded in a single-bond geometry to one C(13) atom. Linkers: 16 c1ccc(Cn2ccnc2)c(Cn2ccnc2)c1 ,16 [O]C(=O)c1c(Br)c(Br)c(C([O])=O)c(Br)c1Br. Metal clusters: 16 O=[C]O[Co]O[C]=O. The MOF has largest included sphere 6.13 A, density 1.51 g/cm3, surface area 3491.53 m2/g, accessible volume 0.32 cm3/g