CoH10(C2N)4 crystallizes in the triclinic P1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to one N(1), one N(15), one N(16), and one N(2) atom. The Co(1)-N(1) bond length is 1.98 Å. The Co(1)-N(15) bond length is 1.98 Å. The Co(1)-N(16) bond length is 1.98 Å. The Co(1)-N(2) bond length is 1.98 Å. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one N(13), one N(14), one N(3), and one N(4) atom. The Co(2)-N(13) bond length is 1.98 Å. The Co(2)-N(14) bond length is 1.98 Å. The Co(2)-N(3) bond length is 1.98 Å. The Co(2)-N(4) bond length is 1.98 Å. In the third Co site, Co(3) is bonded in a tetrahedral geometry to one N(5); one N(6); one N(7,24); and one N(8,23) atom. The Co(3)-N(5) bond length is 1.98 Å. The Co(3)-N(6) bond length is 1.98 Å. The Co(3)-N(7,24) bond length is 1.98 Å. The Co(3)-N(8,23) bond length is 1.98 Å. In the fourth Co site, Co(4) is bonded in a tetrahedral geometry to one N(21); one N(22); one N(7,24); and one N(8,23) atom. The Co(4)-N(21) bond length is 1.98 Å. The Co(4)-N(22) bond length is 1.98 Å. The Co(4)-N(7,24) bond length is 1.98 Å. The Co(4)-N(8,23) bond length is 1.98 Å. In the fifth Co site, Co(5) is bonded in a tetrahedral geometry to one N(10), one N(19), one N(20), and one N(9) atom. The Co(5)-N(10) bond length is 1.98 Å. The Co(5)-N(19) bond length is 1.98 Å. The Co(5)-N(20) bond length is 1.98 Å. The Co(5)-N(9) bond length is 1.98 Å. In the sixth Co site, Co(6) is bonded in a tetrahedral geometry to one N(11), one N(12), one N(17), and one N(18) atom. The Co(6)-N(11) bond length is 1.98 Å. The Co(6)-N(12) bond length is 1.98 Å. The Co(6)-N(17) bond length is 1.98 Å. The Co(6)-N(18) bond length is 1.98 Å. There are twenty-five inequivalent C sites. In the first C site, C(1,6,7,8,20,21,23,24) is bonded in a 2-coordinate geometry to one N(1) and one H(1,20) atom. The C(1,6,7,8,20,21,23,24)-N(1) bond length is 1.40 Å. The C(1,6,7,8,20,21,23,24)-H(1,20) bond length is 1.14 Å. In the second C site, C(2,5,19,22) is bonded in a 2-coordinate geometry to one N(2) and one H(2) atom. The C(2,5,19,22)-N(2) bond length is 1.40 Å. The C(2,5,19,22)-H(2) bond length is 1.14 Å. In the third C site, C(3,4,11,13,17,18) is bonded in a 2-coordinate geometry to one N(3) and one H(3,5,22) atom. The C(3,4,11,13,17,18)-N(3) bond length is 1.40 Å. The C(3,4,11,13,17,18)-H(3,5,22) bond length is 1.14 Å. In the fourth C site, C(9,10,15) is bonded in a 2-coordinate geometry to one N(9) and one H(4,9,17,18) atom. The C(9,10,15)-N(9) bond length is 1.40 Å. The C(9,10,15)-H(4,9,17,18) bond length is 1.14 Å. In the fifth C site, C(12) is bonded in a 2-coordinate geometry to one N(12) and one H(12) atom. The C(12)-N(12) bond length is 1.40 Å. The C(12)-H(12) bond length is 1.14 Å. In the sixth C site, C(14) is bonded in a 2-coordinate geometry to one N(14) and one H(11,13,14) atom. The C(14)-N(14) bond length is 1.40 Å. The C(14)-H(11,13,14) bond length is 1.14 Å. In the seventh C site, C(16) is bonded in a 2-coordinate geometry to one N(16) and one H(16) atom. The C(16)-N(16) bond length is 1.40 Å. The C(16)-H(16) bond length is 1.14 Å. In the eighth C site, C(25,39) is bonded in a distorted trigonal planar geometry to one C(26,40); one N(1); and one N(8,23) atom. The C(25,39)-C(26,40) bond length is 1.49 Å. The C(25,39)-N(1) bond length is 1.33 Å. The C(25,39)-N(8,23) bond length is 1.33 Å. In the ninth C site, C(26,40) is bonded in a distorted trigonal non-coplanar geometry to one C(25,39) and three equivalent H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) atoms. All C(26,40)-H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) bond lengths are 1.14 Å. In the tenth C site, C(27,33) is bonded in a distorted trigonal planar geometry to one C(28), one N(2), and one N(22) atom. The C(27,33)-C(28) bond length is 1.49 Å. The C(27,33)-N(2) bond length is 1.33 Å. The C(27,33)-N(22) bond length is 1.33 Å. In the eleventh C site, C(28) is bonded in a distorted trigonal non-coplanar geometry to one C(27,33) and three equivalent H(28,29,30,37,38,39) atoms. All C(28)-H(28,29,30,37,38,39) bond lengths are 1.14 Å. In the twelfth C site, C(29,35) is bonded in a distorted trigonal planar geometry to one C(30), one N(21), and one N(3) atom. The C(29,35)-C(30) bond length is 1.49 Å. The C(29,35)-N(21) bond length is 1.33 Å. The C(29,35)-N(3) bond length is 1.33 Å. In the thirteenth C site, C(30) is bonded in a distorted trigonal non-coplanar geometry to one C(29,35) and three equivalent H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) atoms. All C(30)-H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) bond lengths are 1.14 Å. In the fourteenth C site, C(31,37) is bonded in a distorted trigonal planar geometry to one C(32,38); one N(4); and one N(7,24) atom. The C(31,37)-C(32,38) bond length is 1.49 Å. The C(31,37)-N(4) bond length is 1.33 Å. The C(31,37)-N(7,24) bond length is 1.33 Å. In the fifteenth C site, C(32,38) is bonded in a distorted trigonal non-coplanar geometry to one C(31,37) and three equivalent H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) atoms. All C(32,38)-H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) bond lengths are 1.14 Å. In the sixteenth C site, C(34) is bonded in a distorted trigonal non-coplanar geometry to one C(27,33) and three equivalent H(28,29,30,37,38,39) atoms. The C(34)-C(27,33) bond length is 1.49 Å. All C(34)-H(28,29,30,37,38,39) bond lengths are 1.14 Å. In the seventeenth C site, C(36) is bonded in a distorted trigonal non-coplanar geometry to one C(29,35) and three equivalent H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) atoms. The C(36)-C(29,35) bond length is 1.49 Å. All C(36)-H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) bond lengths are 1.14 Å. In the eighteenth C site, C(41) is bonded in a distorted trigonal planar geometry to one C(42), one N(15), and one N(9) atom. The C(41)-C(42) bond length is 1.49 Å. The C(41)-N(15) bond length is 1.33 Å. The C(41)-N(9) bond length is 1.33 Å. In the nineteenth C site, C(42) is bonded in a distorted trigonal non-coplanar geometry to one C(41) and three equivalent H(49,50,51,52,53,54) atoms. All C(42)-H(49,50,51,52,53,54) bond lengths are 1.14 Å. In the twentieth C site, C(43) is bonded in a distorted trigonal planar geometry to one C(44), one N(10), and one N(14) atom. The C(43)-C(44) bond length is 1.49 Å. The C(43)-N(10) bond length is 1.33 Å. The C(43)-N(14) bond length is 1.33 Å. In the twenty-first C site, C(44) is bonded in a distorted trigonal non-coplanar geometry to one C(43) and three equivalent H(49,50,51,52,53,54) atoms. All C(44)-H(49,50,51,52,53,54) bond lengths are 1.14 Å. In the twenty-second C site, C(45) is bonded in a distorted trigonal planar geometry to one C(46), one N(11), and one N(13) atom. The C(45)-C(46) bond length is 1.49 Å. The C(45)-N(11) bond length is 1.33 Å. The C(45)-N(13) bond length is 1.33 Å. In the twenty-third C site, C(46) is bonded in a distorted trigonal non-coplanar geometry to one C(45) and three equivalent H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) atoms. All C(46)-H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) bond lengths are 1.14 Å. In the twenty-fourth C site, C(47) is bonded in a distorted trigonal planar geometry to one C(48), one N(12), and one N(16) atom. The C(47)-C(48) bond length is 1.49 Å. The C(47)-N(12) bond length is 1.33 Å. The C(47)-N(16) bond length is 1.33 Å. In the twenty-fifth C site, C(48) is bonded in a distorted trigonal non-coplanar geometry to one C(47) and three equivalent H(58,59,60) atoms. All C(48)-H(58,59,60) bond lengths are 1.14 Å. There are twenty-two inequivalent N sites. In the first N site, N(15) is bonded in a trigonal planar geometry to one Co(1); one C(41); and one C(9,10,15) atom. The N(15)-C(9,10,15) bond length is 1.40 Å. In the second N site, N(16) is bonded in a trigonal planar geometry to one Co(1), one C(16), and one C(47) atom. In the third N site, N(17) is bonded in a trigonal planar geometry to one Co(6); one C(3,4,11,13,17,18); and one C(31,37) atom. The N(17)-C(3,4,11,13,17,18) bond length is 1.40 Å. The N(17)-C(31,37) bond length is 1.33 Å. In the fourth N site, N(18) is bonded in a trigonal planar geometry to one Co(6); one C(29,35); and one C(3,4,11,13,17,18) atom. The N(18)-C(29,35) bond length is 1.33 Å. The N(18)-C(3,4,11,13,17,18) bond length is 1.40 Å. In the fifth N site, N(19) is bonded in a trigonal planar geometry to one Co(5); one C(2,5,19,22); and one C(27,33) atom. The N(19)-C(2,5,19,22) bond length is 1.40 Å. The N(19)-C(27,33) bond length is 1.33 Å. In the sixth N site, N(20) is bonded in a trigonal planar geometry to one Co(5); one C(1,6,7,8,20,21,23,24); and one C(25,39) atom. The N(20)-C(1,6,7,8,20,21,23,24) bond length is 1.40 Å. The N(20)-C(25,39) bond length is 1.33 Å. In the seventh N site, N(21) is bonded in a trigonal planar geometry to one Co(4); one C(1,6,7,8,20,21,23,24); and one C(29,35) atom. The N(21)-C(1,6,7,8,20,21,23,24) bond length is 1.40 Å. In the eighth N site, N(22) is bonded in a trigonal planar geometry to one Co(4); one C(2,5,19,22); and one C(27,33) atom. The N(22)-C(2,5,19,22) bond length is 1.40 Å. In the ninth N site, N(1) is bonded in a trigonal planar geometry to one Co(1); one C(1,6,7,8,20,21,23,24); and one C(25,39) atom. In the tenth N site, N(2) is bonded in a trigonal planar geometry to one Co(1); one C(2,5,19,22); and one C(27,33) atom. In the eleventh N site, N(3) is bonded in a trigonal planar geometry to one Co(2); one C(29,35); and one C(3,4,11,13,17,18) atom. In the twelfth N site, N(4) is bonded in a trigonal planar geometry to one Co(2); one C(3,4,11,13,17,18); and one C(31,37) atom. The N(4)-C(3,4,11,13,17,18) bond length is 1.40 Å. In the thirteenth N site, N(5) is bonded in a trigonal planar geometry to one Co(3); one C(2,5,19,22); and one C(27,33) atom. The N(5)-C(2,5,19,22) bond length is 1.40 Å. The N(5)-C(27,33) bond length is 1.33 Å. In the fourteenth N site, N(6) is bonded in a trigonal planar geometry to one Co(3); one C(1,6,7,8,20,21,23,24); and one C(29,35) atom. The N(6)-C(1,6,7,8,20,21,23,24) bond length is 1.40 Å. The N(6)-C(29,35) bond length is 1.33 Å. In the fifteenth N site, N(7,24) is bonded in a trigonal planar geometry to one Co(4); one C(1,6,7,8,20,21,23,24); and one C(31,37) atom. The N(7,24)-C(1,6,7,8,20,21,23,24) bond length is 1.40 Å. In the sixteenth N site, N(8,23) is bonded in a trigonal planar geometry to one Co(4); one C(1,6,7,8,20,21,23,24); and one C(25,39) atom. The N(8,23)-C(1,6,7,8,20,21,23,24) bond length is 1.40 Å. In the seventeenth N site, N(9) is bonded in a trigonal planar geometry to one Co(5); one C(41); and one C(9,10,15) atom. In the eighteenth N site, N(10) is bonded in a trigonal planar geometry to one Co(5); one C(43); and one C(9,10,15) atom. The N(10)-C(9,10,15) bond length is 1.40 Å. In the nineteenth N site, N(11) is bonded in a trigonal planar geometry to one Co(6); one C(3,4,11,13,17,18); and one C(45) atom. The N(11)-C(3,4,11,13,17,18) bond length is 1.40 Å. In the twentieth N site, N(12) is bonded in a trigonal planar geometry to one Co(6), one C(12), and one C(47) atom. In the twenty-first N site, N(13) is bonded in a trigonal planar geometry to one Co(2); one C(3,4,11,13,17,18); and one C(45) atom. The N(13)-C(3,4,11,13,17,18) bond length is 1.40 Å. In the twenty-second N site, N(14) is bonded in a trigonal planar geometry to one Co(2), one C(14), and one C(43) atom. There are sixteen inequivalent H sites. In the first H site, H(1,20) is bonded in a single-bond geometry to one C(1,6,7,8,20,21,23,24) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2,5,19,22) atom. In the third H site, H(3,5,22) is bonded in a single-bond geometry to one C(3,4,11,13,17,18) atom. In the fourth H site, H(4,9,17,18) is bonded in a single-bond geometry to one C(3,4,11,13,17,18) atom. The H(4,9,17,18)-C(3,4,11,13,17,18) bond length is 1.14 Å. In the fifth H site, H(6,21) is bonded in a single-bond geometry to one C(1,6,7,8,20,21,23,24) atom. The H(6,21)-C(1,6,7,8,20,21,23,24) bond length is 1.14 Å. In the sixth H site, H(7,24) is bonded in a single-bond geometry to one C(1,6,7,8,20,21,23,24) atom. The H(7,24)-C(1,6,7,8,20,21,23,24) bond length is 1.14 Å. In the seventh H site, H(8,15,23) is bonded in a single-bond geometry to one C(1,6,7,8,20,21,23,24) atom. The H(8,15,23)-C(1,6,7,8,20,21,23,24) bond length is 1.14 Å. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(9,10,15) atom. The H(10)-C(9,10,15) bond length is 1.14 Å. In the ninth H site, H(11,13,14) is bonded in a single-bond geometry to one C(3,4,11,13,17,18) atom. The H(11,13,14)-C(3,4,11,13,17,18) bond length is 1.14 Å. In the tenth H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(16) is bonded in a single-bond geometry to one C(16) atom. In the twelfth H site, H(19) is bonded in a single-bond geometry to one C(2,5,19,22) atom. The H(19)-C(2,5,19,22) bond length is 1.14 Å. In the thirteenth H site, H(25,26,27,31,32,33,34,35,36,40,41,42,43,44,45,46,47,48,55,56,57) is bonded in a single-bond geometry to one C(26,40) atom. In the fourteenth H site, H(28,29,30,37,38,39) is bonded in a single-bond geometry to one C(28) atom. In the fifteenth H site, H(49,50,51,52,53,54) is bonded in a single-bond geometry to one C(42) atom. In the sixteenth H site, H(58,59,60) is bonded in a single-bond geometry to one C(48) atom. Linkers: 4 CC1=N[CH]C=N1 ,8 CC1=NC=C[N]1. Metal clusters: 6 [Co]. The MOF has largest included sphere 11.41 A, density 0.90 g/cm3, surface area 4697.58 m2/g, accessible volume 0.66 cm3/g