Co3C76H50(N7O8)2(CH)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a Co3C76H50(N7O8)2 framework. In the Co3C76H50(N7O8)2 framework, there are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(1), one N(4), one O(3), one O(5), one O(6), and one O(8) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 72°. The Co(1)-N(1) bond length is 2.04 Å. The Co(1)-N(4) bond length is 2.16 Å. The Co(1)-O(3) bond length is 1.97 Å. The Co(1)-O(5) bond length is 2.14 Å. The Co(1)-O(6) bond length is 2.18 Å. The Co(1)-O(8) bond length is 2.10 Å. In the second Co site, Co(2) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 72°. Both Co(2)-O(4) bond lengths are 2.07 Å. Both Co(2)-O(6) bond lengths are 2.10 Å. Both Co(2)-O(7) bond lengths are 2.00 Å. There are thirty-eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(2), and one O(1) atom. The C(1)-C(7) bond length is 1.50 Å. The C(1)-N(2) bond length is 1.39 Å. The C(1)-O(1) bond length is 1.23 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one C(6), and one N(2) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-C(6) bond length is 1.40 Å. The C(2)-N(2) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(2) atom. The C(4)-N(1) bond length is 1.35 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(3) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(6)-H(4) bond length is 1.08 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(1), one C(12), and one C(8) atom. The C(7)-C(12) bond length is 1.40 Å. The C(7)-C(8) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(5) atom. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(7) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(7) bond length is 1.09 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(18) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(18) bond length is 1.50 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(7), and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. In the twelfth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(9) atom. The C(13)-N(4) bond length is 1.35 Å. The C(13)-H(9) bond length is 1.09 Å. In the thirteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(15) and one H(10) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(10) bond length is 1.09 Å. In the fourteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one C(16), and one N(3) atom. The C(15)-C(16) bond length is 1.41 Å. The C(15)-N(3) bond length is 1.39 Å. In the fifteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(17), and one H(11) atom. The C(16)-C(17) bond length is 1.39 Å. The C(16)-H(11) bond length is 1.09 Å. In the sixteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(16), one N(4), and one H(12) atom. The C(17)-N(4) bond length is 1.35 Å. The C(17)-H(12) bond length is 1.09 Å. In the seventeenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(11), one N(3), and one O(2) atom. The C(18)-N(3) bond length is 1.39 Å. The C(18)-O(2) bond length is 1.23 Å. In the eighteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(20), one O(3), and one O(4) atom. The C(19)-C(20) bond length is 1.49 Å. The C(19)-O(3) bond length is 1.28 Å. The C(19)-O(4) bond length is 1.27 Å. In the nineteenth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(25) atom. The C(20)-C(21) bond length is 1.41 Å. The C(20)-C(25) bond length is 1.40 Å. In the twentieth C site, C(21) is bonded in a distorted single-bond geometry to one C(20) and one H(13) atom. The C(21)-H(13) bond length is 1.09 Å. In the twenty-first C site, C(22) is bonded in a distorted single-bond geometry to one C(23) and one H(14) atom. The C(22)-C(23) bond length is 1.41 Å. The C(22)-H(14) bond length is 1.09 Å. In the twenty-second C site, C(23) is bonded in a distorted trigonal planar geometry to one C(22), one C(24), and one N(7) atom. The C(23)-C(24) bond length is 1.40 Å. The C(23)-N(7) bond length is 1.42 Å. In the twenty-third C site, C(24) is bonded in a distorted trigonal planar geometry to one C(23), one C(25), and one H(15) atom. The C(24)-C(25) bond length is 1.39 Å. The C(24)-H(15) bond length is 1.09 Å. In the twenty-fourth C site, C(25) is bonded in a distorted single-bond geometry to one C(20), one C(24), and one H(16) atom. The C(25)-H(16) bond length is 1.09 Å. In the twenty-fifth C site, C(26) is bonded in a bent 120 degrees geometry to one C(27), one O(5), and one O(6) atom. The C(26)-C(27) bond length is 1.48 Å. The C(26)-O(5) bond length is 1.28 Å. The C(26)-O(6) bond length is 1.29 Å. In the twenty-sixth C site, C(27) is bonded in a trigonal planar geometry to one C(26), one C(28), and one C(32) atom. The C(27)-C(28) bond length is 1.40 Å. The C(27)-C(32) bond length is 1.41 Å. In the twenty-seventh C site, C(28) is bonded in a single-bond geometry to one C(27) and one H(17) atom. The C(28)-H(17) bond length is 1.09 Å. In the twenty-eighth C site, C(29) is bonded in a distorted single-bond geometry to one C(30) and one H(18) atom. The C(29)-C(30) bond length is 1.41 Å. The C(29)-H(18) bond length is 1.09 Å. In the twenty-ninth C site, C(30) is bonded in a distorted trigonal planar geometry to one C(29), one C(31), and one N(5) atom. The C(30)-C(31) bond length is 1.41 Å. The C(30)-N(5) bond length is 1.41 Å. In the thirtieth C site, C(31) is bonded in a distorted trigonal planar geometry to one C(30), one C(32), and one H(19) atom. The C(31)-C(32) bond length is 1.38 Å. The C(31)-H(19) bond length is 1.09 Å. In the thirty-first C site, C(32) is bonded in a distorted single-bond geometry to one C(27), one C(31), and one H(20) atom. The C(32)-H(20) bond length is 1.09 Å. In the thirty-second C site, C(33) is bonded in a distorted bent 120 degrees geometry to one C(34), one O(7), and one O(8) atom. The C(33)-C(34) bond length is 1.50 Å. The C(33)-O(7) bond length is 1.28 Å. The C(33)-O(8) bond length is 1.27 Å. In the thirty-third C site, C(34) is bonded in a trigonal planar geometry to one C(33), one C(35), and one C(39) atom. The C(34)-C(35) bond length is 1.40 Å. The C(34)-C(39) bond length is 1.41 Å. In the thirty-fourth C site, C(35) is bonded in a distorted single-bond geometry to one C(34) and one H(21) atom. The C(35)-H(21) bond length is 1.09 Å. In the thirty-fifth C site, C(36) is bonded in a distorted single-bond geometry to one C(37) and one H(22) atom. The C(36)-C(37) bond length is 1.41 Å. The C(36)-H(22) bond length is 1.09 Å. In the thirty-sixth C site, C(37) is bonded in a distorted trigonal planar geometry to one C(36), one C(38), and one N(6) atom. The C(37)-C(38) bond length is 1.41 Å. The C(37)-N(6) bond length is 1.40 Å. In the thirty-seventh C site, C(38) is bonded in a distorted trigonal planar geometry to one C(37), one C(39), and one H(23) atom. The C(38)-C(39) bond length is 1.39 Å. The C(38)-H(23) bond length is 1.09 Å. In the thirty-eighth C site, C(39) is bonded in a distorted trigonal planar geometry to one C(34), one C(38), and one H(24) atom. The C(39)-H(24) bond length is 1.09 Å. There are seven inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(4), and one C(5) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(2), and one H(25) atom. The N(2)-H(25) bond length is 1.01 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(15), one C(18), and one H(26) atom. The N(3)-H(26) bond length is 1.01 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(1), one C(13), and one C(17) atom. In the fifth N site, N(5) is bonded in a distorted bent 120 degrees geometry to one C(30) and one N(5) atom. The N(5)-N(5) bond length is 1.27 Å. In the sixth N site, N(6) is bonded in a distorted bent 120 degrees geometry to one C(37) and one N(7) atom. The N(6)-N(7) bond length is 1.27 Å. In the seventh N site, N(7) is bonded in a distorted water-like geometry to one C(23) and one N(6) atom. There are twenty-five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(12) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(14) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(16) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(17) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(21) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(22) atom. In the fourteenth H site, H(15) is bonded in a single-bond geometry to one C(24) atom. In the fifteenth H site, H(16) is bonded in a single-bond geometry to one C(25) atom. In the sixteenth H site, H(17) is bonded in a single-bond geometry to one C(28) atom. In the seventeenth H site, H(18) is bonded in a single-bond geometry to one C(29) atom. In the eighteenth H site, H(19) is bonded in a single-bond geometry to one C(31) atom. In the nineteenth H site, H(20) is bonded in a single-bond geometry to one C(32) atom. In the twentieth H site, H(21) is bonded in a single-bond geometry to one C(35) atom. In the twenty-first H site, H(22) is bonded in a single-bond geometry to one C(36) atom. In the twenty-second H site, H(23) is bonded in a single-bond geometry to one C(38) atom. In the twenty-third H site, H(24) is bonded in a single-bond geometry to one C(39) atom. In the twenty-fourth H site, H(25) is bonded in a single-bond geometry to one N(2) atom. In the twenty-fifth H site, H(26) is bonded in a single-bond geometry to one N(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(18) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(19) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one C(19) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Co(1) and one C(26) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one C(26) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2) and one C(33) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(1) and one C(33) atom. Linkers: 4 O=C(Nc1ccncc1)c1cccc(C(=O)Nc2ccncc2)c1 ,6 [O]C(=O)c1ccc([N][N]c2ccc(C([O])=O)cc2)cc1. Metal clusters: 2 [C]1O[Co]2O[C]O[Co]34(O1)(O[C]O2)O[C]O[Co](O[C]O3)O[C]O4. RCSR code: hxl. The MOF has largest included sphere 9.36 A, density 0.75 g/cm3, surface area 4696.69 m2/g, accessible volume 0.77 cm3/g