Co2C25H24(N4O)4 crystallizes in the triclinic P-1 space group. There are two inequivalent Co sites. In the first Co site, Co(1,2,4) is bonded in an octahedral geometry to two equivalent N(1), two equivalent N(14), and two equivalent N(5) atoms. Both Co(1,2,4)-N(1) bond lengths are 1.94 Å. Both Co(1,2,4)-N(14) bond lengths are 1.97 Å. Both Co(1,2,4)-N(5) bond lengths are 2.23 Å. In the second Co site, Co(3) is bonded in an octahedral geometry to two equivalent N(16), two equivalent N(3), and two equivalent N(7) atoms. Both Co(3)-N(16) bond lengths are 1.97 Å. Both Co(3)-N(3) bond lengths are 1.94 Å. Both Co(3)-N(7) bond lengths are 2.23 Å. There are eleven inequivalent C sites. In the first C site, C(1,4) is bonded in a distorted trigonal planar geometry to one C(5,6,7,8); one N(1); and one H(1,2,3,4) atom. The C(1,4)-C(5,6,7,8) bond length is 1.39 Å. The C(1,4)-N(1) bond length is 1.35 Å. The C(1,4)-H(1,2,3,4) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(5,6,7,8); one N(2); and one H(1,2,3,4) atom. The C(2)-C(5,6,7,8) bond length is 1.39 Å. The C(2)-N(2) bond length is 1.35 Å. The C(2)-H(1,2,3,4) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(5,6,7,8); one N(3); and one H(1,2,3,4) atom. The C(3)-C(5,6,7,8) bond length is 1.39 Å. The C(3)-N(3) bond length is 1.35 Å. The C(3)-H(1,2,3,4) bond length is 1.09 Å. In the fourth C site, C(5,6,7,8) is bonded in a distorted single-bond geometry to one C(1,4) and one O(1,4) atom. The C(5,6,7,8)-O(1,4) bond length is 1.36 Å. In the fifth C site, C(9,10,11,12) is bonded in a distorted single-bond geometry to one C(13,15,16) and one H(5,7,8) atom. The C(9,10,11,12)-C(13,15,16) bond length is 1.39 Å. The C(9,10,11,12)-H(5,7,8) bond length is 1.09 Å. In the sixth C site, C(13,15,16) is bonded in a distorted trigonal planar geometry to one C(17,18,20); one C(9,10,11,12); and one H(9,10,11,12) atom. The C(13,15,16)-C(17,18,20) bond length is 1.39 Å. The C(13,15,16)-H(9,10,11,12) bond length is 1.09 Å. In the seventh C site, C(14) is bonded in a distorted trigonal planar geometry to one C(17,18,20); one C(9,10,11,12); and one H(9,10,11,12) atom. The C(14)-C(17,18,20) bond length is 1.39 Å. The C(14)-C(9,10,11,12) bond length is 1.39 Å. The C(14)-H(9,10,11,12) bond length is 1.09 Å. In the eighth C site, C(17,18,20) is bonded in a distorted bent 120 degrees geometry to one C(13,15,16); one N(1); and one H(13,15,16) atom. The C(17,18,20)-N(1) bond length is 1.35 Å. The C(17,18,20)-H(13,15,16) bond length is 1.09 Å. In the ninth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(13,15,16); one N(3); and one H(13,15,16) atom. The C(19)-C(13,15,16) bond length is 1.39 Å. The C(19)-N(3) bond length is 1.35 Å. The C(19)-H(13,15,16) bond length is 1.09 Å. In the tenth C site, C(21,22,23,24) is bonded in a distorted trigonal non-coplanar geometry to one C(25); one H(17,20); one H(21,24); and one O(1,4) atom. The C(21,22,23,24)-C(25) bond length is 1.54 Å. The C(21,22,23,24)-H(17,20) bond length is 1.10 Å. The C(21,22,23,24)-H(21,24) bond length is 1.10 Å. The C(21,22,23,24)-O(1,4) bond length is 1.44 Å. In the eleventh C site, C(25) is bonded in a tetrahedral geometry to four equivalent C(21,22,23,24) atoms. There are thirteen inequivalent N sites. In the first N site, N(16) is bonded in a bent 120 degrees geometry to one Co(3) and one N(9,10,12) atom. The N(16)-N(9,10,12) bond length is 1.20 Å. In the second N site, N(1) is bonded in a trigonal planar geometry to one Co(1,2,4); one C(1,4); and one C(17,18,20) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Co(1,2,4); one C(17,18,20); and one C(2) atom. The N(2)-Co(1,2,4) bond length is 1.94 Å. The N(2)-C(17,18,20) bond length is 1.35 Å. In the fourth N site, N(3) is bonded in a trigonal planar geometry to one Co(3), one C(19), and one C(3) atom. In the fifth N site, N(4) is bonded in a trigonal planar geometry to one Co(1,2,4); one C(1,4); and one C(17,18,20) atom. The N(4)-Co(1,2,4) bond length is 1.94 Å. The N(4)-C(1,4) bond length is 1.35 Å. The N(4)-C(17,18,20) bond length is 1.35 Å. In the sixth N site, N(5) is bonded in a bent 120 degrees geometry to one Co(1,2,4) and one N(9,10,12) atom. The N(5)-N(9,10,12) bond length is 1.18 Å. In the seventh N site, N(6) is bonded in a bent 120 degrees geometry to one Co(1,2,4) and one N(9,10,12) atom. The N(6)-Co(1,2,4) bond length is 2.23 Å. The N(6)-N(9,10,12) bond length is 1.18 Å. In the eighth N site, N(7) is bonded in a bent 120 degrees geometry to one Co(3) and one N(11) atom. The N(7)-N(11) bond length is 1.18 Å. In the ninth N site, N(8) is bonded in a bent 120 degrees geometry to one Co(1,2,4) and one N(9,10,12) atom. The N(8)-Co(1,2,4) bond length is 2.23 Å. The N(8)-N(9,10,12) bond length is 1.18 Å. In the tenth N site, N(9,10,12) is bonded in a linear geometry to one N(13,15) and one N(5) atom. The N(9,10,12)-N(13,15) bond length is 1.20 Å. In the eleventh N site, N(11) is bonded in a linear geometry to one N(13,15) and one N(7) atom. The N(11)-N(13,15) bond length is 1.20 Å. In the twelfth N site, N(13,15) is bonded in a bent 120 degrees geometry to one Co(1,2,4) and one N(9,10,12) atom. The N(13,15)-Co(1,2,4) bond length is 1.97 Å. In the thirteenth N site, N(14) is bonded in a bent 120 degrees geometry to one Co(1,2,4) and one N(9,10,12) atom. The N(14)-N(9,10,12) bond length is 1.20 Å. There are ten inequivalent H sites. In the first H site, H(1,2,3,4) is bonded in a single-bond geometry to one C(1,4) atom. In the second H site, H(5,7,8) is bonded in a single-bond geometry to one C(9,10,11,12) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(9,10,11,12) atom. The H(6)-C(9,10,11,12) bond length is 1.09 Å. In the fourth H site, H(9,10,11,12) is bonded in a single-bond geometry to one C(13,15,16) atom. In the fifth H site, H(13,15,16) is bonded in a single-bond geometry to one C(17,18,20) atom. In the sixth H site, H(14) is bonded in a single-bond geometry to one C(17,18,20) atom. The H(14)-C(17,18,20) bond length is 1.09 Å. In the seventh H site, H(17,20) is bonded in a single-bond geometry to one C(21,22,23,24) atom. In the eighth H site, H(18,19) is bonded in a single-bond geometry to one C(21,22,23,24) atom. The H(18,19)-C(21,22,23,24) bond length is 1.10 Å. In the ninth H site, H(21,24) is bonded in a single-bond geometry to one C(21,22,23,24) atom. In the tenth H site, H(22,23) is bonded in a single-bond geometry to one C(21,22,23,24) atom. The H(22,23)-C(21,22,23,24) bond length is 1.10 Å. There are two inequivalent O sites. In the first O site, O(1,4) is bonded in a bent 120 degrees geometry to one C(21,22,23,24) and one C(5,6,7,8) atom. In the second O site, O(2,3) is bonded in a bent 120 degrees geometry to one C(21,22,23,24) and one C(5,6,7,8) atom. The O(2,3)-C(21,22,23,24) bond length is 1.44 Å. The O(2,3)-C(5,6,7,8) bond length is 1.36 Å. Linkers: 4 [c]1ccc(OCC(COc2cccnc2)(COc2cccnc2)COc2cccnc2)cn1 ,4 [CH]=[C]OCC(COc1cccnc1)(COc1cccnc1)COc1cccnc1 ,2 c1cncc(OCC(COc2cccnc2)(COc2cccnc2)COc2cccnc2)c1. Metal clusters: 4 [Co]. The MOF has largest included sphere 3.78 A, density 1.45 g/cm3, surface area 4003.59 m2/g, accessible volume 0.22 cm3/g