CoH6(C3N2)2 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to one N(1), one N(11), one N(14), and one N(5) atom. The Co(1)-N(1) bond length is 1.97 Å. The Co(1)-N(11) bond length is 1.97 Å. The Co(1)-N(14) bond length is 1.97 Å. The Co(1)-N(5) bond length is 1.96 Å. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one N(10,12); one N(13); one N(2); and one N(6) atom. The Co(2)-N(10,12) bond length is 1.97 Å. The Co(2)-N(13) bond length is 1.97 Å. The Co(2)-N(2) bond length is 1.97 Å. The Co(2)-N(6) bond length is 1.96 Å. In the third Co site, Co(3) is bonded in a tetrahedral geometry to one N(16), one N(3), one N(7), and one N(9) atom. The Co(3)-N(16) bond length is 1.97 Å. The Co(3)-N(3) bond length is 1.97 Å. The Co(3)-N(7) bond length is 1.96 Å. The Co(3)-N(9) bond length is 1.97 Å. In the fourth Co site, Co(4) is bonded in a tetrahedral geometry to one N(10,12); one N(15); one N(4); and one N(8) atom. The Co(4)-N(10,12) bond length is 1.97 Å. The Co(4)-N(15) bond length is 1.97 Å. The Co(4)-N(4) bond length is 1.97 Å. The Co(4)-N(8) bond length is 1.96 Å. There are seventeen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(5); one N(5); and one H(1,2,4) atom. The C(1)-C(5) bond length is 1.38 Å. The C(1)-N(5) bond length is 1.38 Å. The C(1)-H(1,2,4) bond length is 1.08 Å. In the second C site, C(2,4) is bonded in a distorted bent 120 degrees geometry to one C(6,8); one N(6); and one H(1,2,4) atom. The C(2,4)-C(6,8) bond length is 1.38 Å. The C(2,4)-N(6) bond length is 1.38 Å. The C(2,4)-H(1,2,4) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(7), and one H(3) atom. The C(3)-C(7) bond length is 1.38 Å. The C(3)-N(7) bond length is 1.38 Å. The C(3)-H(3) bond length is 1.08 Å. In the fourth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(1); one N(9); and one H(5,6) atom. The C(5)-N(9) bond length is 1.38 Å. The C(5)-H(5,6) bond length is 1.08 Å. In the fifth C site, C(6,8) is bonded in a distorted trigonal planar geometry to one C(2,4); one N(10,12); and one H(5,6) atom. The C(6,8)-N(10,12) bond length is 1.38 Å. The C(6,8)-H(5,6) bond length is 1.08 Å. In the sixth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(3); one N(11); and one H(7,8) atom. The C(7)-N(11) bond length is 1.38 Å. The C(7)-H(7,8) bond length is 1.08 Å. In the seventh C site, C(9) is bonded in a trigonal planar geometry to one N(5); one N(9); and one H(9,10,11) atom. The C(9)-N(5) bond length is 1.35 Å. The C(9)-N(9) bond length is 1.35 Å. The C(9)-H(9,10,11) bond length is 1.09 Å. In the eighth C site, C(10,12) is bonded in a trigonal planar geometry to one N(10,12); one N(6); and one H(9,10,11) atom. The C(10,12)-N(10,12) bond length is 1.35 Å. The C(10,12)-N(6) bond length is 1.35 Å. The C(10,12)-H(9,10,11) bond length is 1.09 Å. In the ninth C site, C(11) is bonded in a trigonal planar geometry to one N(11); one N(7); and one H(9,10,11) atom. The C(11)-N(11) bond length is 1.35 Å. The C(11)-N(7) bond length is 1.35 Å. The C(11)-H(9,10,11) bond length is 1.09 Å. In the tenth C site, C(13,15) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(13,15) atom. The C(13,15)-N(1) bond length is 1.38 Å. The C(13,15)-H(13,15) bond length is 1.08 Å. In the eleventh C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(14,16) atom. The C(14)-N(2) bond length is 1.38 Å. The C(14)-H(14,16) bond length is 1.08 Å. In the twelfth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(14,16) atom. The C(16)-N(4) bond length is 1.38 Å. The C(16)-H(14,16) bond length is 1.08 Å. In the thirteenth C site, C(17,19) is bonded in a distorted bent 120 degrees geometry to one N(13) and one H(17,19) atom. The C(17,19)-N(13) bond length is 1.38 Å. The C(17,19)-H(17,19) bond length is 1.09 Å. In the fourteenth C site, C(18,20) is bonded in a distorted bent 120 degrees geometry to one N(14) and one H(18) atom. The C(18,20)-N(14) bond length is 1.38 Å. The C(18,20)-H(18) bond length is 1.09 Å. In the fifteenth C site, C(21,23) is bonded in a trigonal planar geometry to one N(1); one N(13); and one H(21,23) atom. The C(21,23)-N(1) bond length is 1.35 Å. The C(21,23)-N(13) bond length is 1.35 Å. The C(21,23)-H(21,23) bond length is 1.08 Å. In the sixteenth C site, C(22) is bonded in a trigonal planar geometry to one N(14), one N(2), and one H(22) atom. The C(22)-N(14) bond length is 1.35 Å. The C(22)-N(2) bond length is 1.35 Å. The C(22)-H(22) bond length is 1.08 Å. In the seventeenth C site, C(24) is bonded in a trigonal planar geometry to one N(16), one N(4), and one H(24) atom. The C(24)-N(16) bond length is 1.35 Å. The C(24)-N(4) bond length is 1.35 Å. The C(24)-H(24) bond length is 1.08 Å. There are fifteen inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1); one C(13,15); and one C(21,23) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(2), one C(14), and one C(22) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(3); one C(13,15); and one C(21,23) atom. The N(3)-C(13,15) bond length is 1.38 Å. The N(3)-C(21,23) bond length is 1.35 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(4), one C(16), and one C(24) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Co(1), one C(1), and one C(9) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Co(2); one C(10,12); and one C(2,4) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Co(3), one C(11), and one C(3) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Co(4); one C(10,12); and one C(2,4) atom. The N(8)-C(10,12) bond length is 1.35 Å. The N(8)-C(2,4) bond length is 1.38 Å. In the ninth N site, N(9) is bonded in a trigonal planar geometry to one Co(3), one C(5), and one C(9) atom. In the tenth N site, N(10,12) is bonded in a trigonal planar geometry to one Co(4); one C(10,12); and one C(6,8) atom. In the eleventh N site, N(11) is bonded in a trigonal planar geometry to one Co(1), one C(11), and one C(7) atom. In the twelfth N site, N(13) is bonded in a trigonal planar geometry to one Co(2); one C(17,19); and one C(21,23) atom. In the thirteenth N site, N(14) is bonded in a trigonal planar geometry to one Co(1); one C(18,20); and one C(22) atom. In the fourteenth N site, N(15) is bonded in a trigonal planar geometry to one Co(4); one C(17,19); and one C(21,23) atom. The N(15)-C(17,19) bond length is 1.38 Å. The N(15)-C(21,23) bond length is 1.35 Å. In the fifteenth N site, N(16) is bonded in a trigonal planar geometry to one Co(3); one C(18,20); and one C(24) atom. The N(16)-C(18,20) bond length is 1.38 Å. There are fourteen inequivalent H sites. In the first H site, H(1,2,4) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(5,6) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(7,8) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(9,10,11) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(10,12) atom. The H(12)-C(10,12) bond length is 1.09 Å. In the seventh H site, H(13,15) is bonded in a single-bond geometry to one C(13,15) atom. In the eighth H site, H(14,16) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(17,19) is bonded in a single-bond geometry to one C(17,19) atom. In the tenth H site, H(18) is bonded in a single-bond geometry to one C(18,20) atom. In the eleventh H site, H(20) is bonded in a single-bond geometry to one C(18,20) atom. The H(20)-C(18,20) bond length is 1.09 Å. In the twelfth H site, H(21,23) is bonded in a single-bond geometry to one C(21,23) atom. In the thirteenth H site, H(22) is bonded in a single-bond geometry to one C(22) atom. In the fourteenth H site, H(24) is bonded in a single-bond geometry to one C(24) atom. Linkers: 1 [CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH]1C=NC=N1.[CH][N].[CH][N].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C][CH].[C][N].[C][N][C].[C][N][Co][N].[Co].[Co].[Co].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N][Co].[N][Co] ,1 [CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH][N].[CH][N].[CH][N].[CH][N][C][N][Co].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[C].[Co].[Co].[Co].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[H].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N]/C=C\[N].[N]C=[N].[N][C][C][N][Co][N].[N][Co] ,1 C1=CN=C[N]1 ,1 C1=CN=C[N]1.[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH].[CH]1C=NC=N1.[CH][N].[CH][N]/C=C\[N][Co].[C].[C].[C]N([C])[Co][N].[C][N][CH].[Co].[H].[H].[H].[H].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N].[N][Co]. Metal clusters: 2 [Co]. The MOF has largest included sphere 4.18 A, density 1.25 g/cm3, surface area 4425.60 m2/g, accessible volume 0.34 cm3/g