CoC28H22(NO)4(CH)4 crystallizes in the triclinic P-1 space group. The structure consists of sixteen 02329_fluka molecules inside a CoC28H22(NO)4 framework. In each CoC28H22(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(2), one O(3), and one O(4) atom. The Co(1)-N(1) bond length is 2.02 Å. The Co(1)-N(2) bond length is 2.02 Å. The Co(1)-O(3) bond length is 1.93 Å. The Co(1)-O(4) bond length is 1.93 Å. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one N(7), one N(8), one O(5), one O(6), one O(7), and one O(8) atom. The Co(2)-N(7) bond length is 2.03 Å. The Co(2)-N(8) bond length is 2.03 Å. The Co(2)-O(5) bond length is 2.01 Å. The Co(2)-O(6) bond length is 2.01 Å. The Co(2)-O(7) bond length is 2.41 Å. The Co(2)-O(8) bond length is 2.41 Å. There are thirty-nine inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(15), one N(1), and one N(3) atom. The C(1)-C(15) bond length is 1.48 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(3) bond length is 1.37 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(16), one N(2), and one N(4) atom. The C(2)-C(16) bond length is 1.48 Å. The C(2)-N(2) bond length is 1.34 Å. The C(2)-N(4) bond length is 1.37 Å. In the third C site, C(3,4) is bonded in a distorted trigonal planar geometry to one C(13), one C(5), and one N(1) atom. The C(3,4)-C(13) bond length is 1.41 Å. The C(3,4)-C(5) bond length is 1.40 Å. The C(3,4)-N(1) bond length is 1.40 Å. In the fourth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3,4); one C(7,8); and one H(1,2) atom. The C(5)-C(7,8) bond length is 1.39 Å. The C(5)-H(1,2) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(3,4); one C(7,8); and one H(1,2) atom. The C(6)-C(3,4) bond length is 1.40 Å. The C(6)-C(7,8) bond length is 1.40 Å. The C(6)-H(1,2) bond length is 1.09 Å. In the sixth C site, C(7,8) is bonded in a distorted trigonal planar geometry to one C(5); one C(9); and one H(3,4) atom. The C(7,8)-C(9) bond length is 1.41 Å. The C(7,8)-H(3,4) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(7,8); and one H(5,6) atom. The C(9)-C(11,12) bond length is 1.39 Å. The C(9)-H(5,6) bond length is 1.09 Å. In the eighth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(7,8); and one H(5,6) atom. The C(10)-C(11,12) bond length is 1.39 Å. The C(10)-C(7,8) bond length is 1.41 Å. The C(10)-H(5,6) bond length is 1.09 Å. In the ninth C site, C(11,12) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one H(7) atom. The C(11,12)-C(13) bond length is 1.40 Å. The C(11,12)-H(7) bond length is 1.09 Å. In the tenth C site, C(13) is bonded in a distorted single-bond geometry to one C(11,12); one C(3,4); and one N(3) atom. The C(13)-N(3) bond length is 1.39 Å. In the eleventh C site, C(14) is bonded in a distorted single-bond geometry to one C(11,12); one C(3,4); and one N(4) atom. The C(14)-C(11,12) bond length is 1.40 Å. The C(14)-C(3,4) bond length is 1.41 Å. The C(14)-N(4) bond length is 1.39 Å. In the twelfth C site, C(15) is bonded in a distorted trigonal non-coplanar geometry to one C(1); one H(11,12); one H(13,14); and one H(9,10) atom. The C(15)-H(11,12) bond length is 1.10 Å. The C(15)-H(13,14) bond length is 1.10 Å. The C(15)-H(9,10) bond length is 1.09 Å. In the thirteenth C site, C(16) is bonded in a distorted trigonal non-coplanar geometry to one C(2); one H(11,12); one H(13,14); and one H(9,10) atom. The C(16)-H(11,12) bond length is 1.10 Å. The C(16)-H(13,14) bond length is 1.10 Å. The C(16)-H(9,10) bond length is 1.09 Å. In the fourteenth C site, C(17) is bonded in a distorted trigonal non-coplanar geometry to one C(19,20); one N(3); one H(15,16); and one H(17,18) atom. The C(17)-C(19,20) bond length is 1.52 Å. The C(17)-N(3) bond length is 1.45 Å. The C(17)-H(15,16) bond length is 1.10 Å. The C(17)-H(17,18) bond length is 1.10 Å. In the fifteenth C site, C(18) is bonded in a distorted trigonal non-coplanar geometry to one C(19,20); one N(4); one H(15,16); and one H(17,18) atom. The C(18)-C(19,20) bond length is 1.52 Å. The C(18)-N(4) bond length is 1.45 Å. The C(18)-H(15,16) bond length is 1.10 Å. The C(18)-H(17,18) bond length is 1.10 Å. In the sixteenth C site, C(19,20) is bonded in a trigonal planar geometry to one C(17); one C(21,22); and one C(29,30) atom. The C(19,20)-C(21,22) bond length is 1.40 Å. The C(19,20)-C(29,30) bond length is 1.41 Å. In the seventeenth C site, C(21,22) is bonded in a distorted trigonal planar geometry to one C(19,20); one C(23,24); and one H(19,20) atom. The C(21,22)-C(23,24) bond length is 1.39 Å. The C(21,22)-H(19,20) bond length is 1.09 Å. In the eighteenth C site, C(23,24) is bonded in a distorted trigonal planar geometry to one C(21,22); one C(25,26); and one H(21,22) atom. The C(23,24)-C(25,26) bond length is 1.39 Å. The C(23,24)-H(21,22) bond length is 1.09 Å. In the nineteenth C site, C(25,26) is bonded in a distorted trigonal planar geometry to one C(23,24); one C(27,28); and one H(23,24) atom. The C(25,26)-C(27,28) bond length is 1.39 Å. The C(25,26)-H(23,24) bond length is 1.09 Å. In the twentieth C site, C(27,28) is bonded in a distorted single-bond geometry to one C(25,26); one C(29,30); and one H(25,26) atom. The C(27,28)-C(29,30) bond length is 1.40 Å. The C(27,28)-H(25,26) bond length is 1.09 Å. In the twenty-first C site, C(29,30) is bonded in a trigonal planar geometry to one C(19,20); one C(27,28); and one C(31) atom. The C(29,30)-C(31) bond length is 1.52 Å. In the twenty-second C site, C(31) is bonded in a distorted trigonal non-coplanar geometry to one C(29,30); one N(5,6); one H(27,28); and one H(29,30) atom. The C(31)-N(5,6) bond length is 1.45 Å. The C(31)-H(27,28) bond length is 1.10 Å. The C(31)-H(29,30) bond length is 1.10 Å. In the twenty-third C site, C(32) is bonded in a distorted trigonal non-coplanar geometry to one C(29,30); one N(5,6); one H(27,28); and one H(29,30) atom. The C(32)-C(29,30) bond length is 1.52 Å. The C(32)-N(5,6) bond length is 1.45 Å. The C(32)-H(27,28) bond length is 1.10 Å. The C(32)-H(29,30) bond length is 1.10 Å. In the twenty-fourth C site, C(33) is bonded in a distorted single-bond geometry to one C(43,44) and one N(5,6) atom. The C(33)-C(43,44) bond length is 1.42 Å. The C(33)-N(5,6) bond length is 1.39 Å. In the twenty-fifth C site, C(34) is bonded in a distorted single-bond geometry to one C(43,44) and one N(5,6) atom. The C(34)-C(43,44) bond length is 1.42 Å. The C(34)-N(5,6) bond length is 1.39 Å. In the twenty-sixth C site, C(41,42) is bonded in a distorted single-bond geometry to one C(43,44) and one H(37,38) atom. The C(41,42)-C(43,44) bond length is 1.40 Å. The C(41,42)-H(37,38) bond length is 1.09 Å. In the twenty-seventh C site, C(43,44) is bonded in a distorted single-bond geometry to one C(33); one C(41,42); and one N(7) atom. The C(43,44)-N(7) bond length is 1.39 Å. In the twenty-eighth C site, C(45) is bonded in a distorted trigonal planar geometry to one C(47,48); one N(5,6); and one N(7) atom. The C(45)-C(47,48) bond length is 1.48 Å. The C(45)-N(5,6) bond length is 1.37 Å. The C(45)-N(7) bond length is 1.34 Å. In the twenty-ninth C site, C(46) is bonded in a distorted trigonal planar geometry to one C(47,48); one N(5,6); and one N(8) atom. The C(46)-C(47,48) bond length is 1.48 Å. The C(46)-N(5,6) bond length is 1.37 Å. The C(46)-N(8) bond length is 1.34 Å. In the thirtieth C site, C(47,48) is bonded in a distorted trigonal non-coplanar geometry to one C(45); one H(39,40); one H(41,42); and one H(43,44) atom. The C(47,48)-H(39,40) bond length is 1.09 Å. The C(47,48)-H(41,42) bond length is 1.10 Å. The C(47,48)-H(43,44) bond length is 1.10 Å. In the thirty-first C site, C(49) is bonded in a trigonal planar geometry to one C(51,52); one C(59,60); and one C(63,64) atom. The C(49)-C(51,52) bond length is 1.40 Å. The C(49)-C(59,60) bond length is 1.40 Å. The C(49)-C(63,64) bond length is 1.49 Å. In the thirty-second C site, C(50) is bonded in a trigonal planar geometry to one C(51,52); one C(59,60); and one C(63,64) atom. The C(50)-C(51,52) bond length is 1.40 Å. The C(50)-C(59,60) bond length is 1.40 Å. The C(50)-C(63,64) bond length is 1.49 Å. In the thirty-third C site, C(51,52) is bonded in a distorted single-bond geometry to one C(49) and one H(45,46) atom. The C(51,52)-H(45,46) bond length is 1.09 Å. In the thirty-fourth C site, C(55,56) is bonded in a distorted single-bond geometry to one C(57) and one H(49,50) atom. The C(55,56)-C(57) bond length is 1.41 Å. The C(55,56)-H(49,50) bond length is 1.09 Å. In the thirty-fifth C site, C(57) is bonded in a trigonal planar geometry to one C(55,56); one C(59,60); and one C(61,62) atom. The C(57)-C(59,60) bond length is 1.40 Å. The C(57)-C(61,62) bond length is 1.49 Å. In the thirty-sixth C site, C(58) is bonded in a trigonal planar geometry to one C(55,56); one C(59,60); and one C(61,62) atom. The C(58)-C(55,56) bond length is 1.41 Å. The C(58)-C(59,60) bond length is 1.40 Å. The C(58)-C(61,62) bond length is 1.49 Å. In the thirty-seventh C site, C(59,60) is bonded in a distorted single-bond geometry to one C(49); one C(57); and one H(51,52) atom. The C(59,60)-H(51,52) bond length is 1.09 Å. In the thirty-eighth C site, C(61,62) is bonded in a distorted bent 120 degrees geometry to one C(57), one O(1), and one O(3) atom. The C(61,62)-O(1) bond length is 1.25 Å. The C(61,62)-O(3) bond length is 1.31 Å. In the thirty-ninth C site, C(63,64) is bonded in a distorted bent 120 degrees geometry to one C(49), one O(5), and one O(7) atom. The C(63,64)-O(5) bond length is 1.29 Å. The C(63,64)-O(7) bond length is 1.26 Å. There are seven inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Co(1); one C(1); and one C(3,4) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Co(1); one C(2); and one C(3,4) atom. The N(2)-C(3,4) bond length is 1.40 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(17) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(14), one C(18), and one C(2) atom. In the fifth N site, N(5,6) is bonded in a trigonal planar geometry to one C(31), one C(33), and one C(45) atom. In the sixth N site, N(7) is bonded in a trigonal planar geometry to one Co(2); one C(43,44); and one C(45) atom. In the seventh N site, N(8) is bonded in a trigonal planar geometry to one Co(2); one C(43,44); and one C(46) atom. The N(8)-C(43,44) bond length is 1.39 Å. There are twenty-three 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(5,6) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(11,12) atom. In the fifth H site, H(8) is bonded in a single-bond geometry to one C(11,12) atom. The H(8)-C(11,12) bond length is 1.09 Å. In the sixth H site, H(9,10) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(11,12) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(13,14) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(15,16) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(17,18) is bonded in a single-bond geometry to one C(17) atom. In the eleventh H site, H(19,20) is bonded in a single-bond geometry to one C(21,22) atom. In the twelfth H site, H(21,22) is bonded in a single-bond geometry to one C(23,24) atom. In the thirteenth H site, H(23,24) is bonded in a single-bond geometry to one C(25,26) atom. In the fourteenth H site, H(25,26) is bonded in a single-bond geometry to one C(27,28) atom. In the fifteenth H site, H(27,28) is bonded in a single-bond geometry to one C(31) atom. In the sixteenth H site, H(29,30) is bonded in a single-bond geometry to one C(31) atom. In the seventeenth H site, H(37,38) is bonded in a single-bond geometry to one C(41,42) atom. In the eighteenth H site, H(39,40) is bonded in a single-bond geometry to one C(47,48) atom. In the nineteenth H site, H(41,42) is bonded in a single-bond geometry to one C(47,48) atom. In the twentieth H site, H(43,44) is bonded in a single-bond geometry to one C(47,48) atom. In the twenty-first H site, H(45,46) is bonded in a single-bond geometry to one C(51,52) atom. In the twenty-second H site, H(49,50) is bonded in a single-bond geometry to one C(55,56) atom. In the twenty-third H site, H(51,52) is bonded in a single-bond geometry to one C(59,60) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(61,62) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(61,62) atom. The O(2)-C(61,62) bond length is 1.25 Å. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(61,62) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(1) and one C(61,62) atom. The O(4)-C(61,62) bond length is 1.31 Å. In the fifth O site, O(5) is bonded in a water-like geometry to one Co(2) and one C(63,64) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Co(2) and one C(63,64) atom. The O(6)-C(63,64) bond length is 1.29 Å. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Co(2) and one C(63,64) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Co(2) and one C(63,64) atom. The O(8)-C(63,64) bond length is 1.26 Å. Linkers: 2 C[C]1N(Cc2ccccc2Cn2c(C)nc3ccccc32)c2ccccc2N1[Co](OC(=O)c1cccc(C([O])=O)c1)(OC(=O)c1cccc(C([O])=O)c1)N1[C](C)N(Cc2ccccc2Cn2c(C)nc3ccccc32)c2ccccc21. Metal clusters: 2 O=[C]O[Co]O[C]=O. The MOF has largest included sphere 3.55 A, density 1.40 g/cm3, surface area 4764.03 m2/g, accessible volume 0.14 cm3/g