Co2C12N5H8O4Cl crystallizes in the triclinic P-1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(4,5); two equivalent N(7); one O(1,3); one O(4,6); and one Cl(1) atom to form CoN3ClO2 octahedra that share  a cornercorner with one Co(4)N2ClO2 trigonal bipyramid,  an edgeedge with one Co(1)N3ClO2 octahedra, and  an edgeedge with one Co(4)N2ClO2 trigonal bipyramid. The Co(1)-N(4,5) bond length is 2.10 Å. There is one shorter (2.12 Å) and one longer (2.13 Å) Co(1)-N(7) bond length. The Co(1)-O(1,3) bond length is 2.07 Å. The Co(1)-O(4,6) bond length is 2.11 Å. The Co(1)-Cl(1) bond length is 2.42 Å. In the second Co site, Co(2) is bonded to one N(6), two equivalent N(8), one O(2), one O(5), and one Cl(2) atom to form CoN3ClO2 octahedra that share  a cornercorner with one Co(5)N2ClO2 trigonal bipyramid,  an edgeedge with one Co(2)N3ClO2 octahedra, and  an edgeedge with one Co(5)N2ClO2 trigonal bipyramid. The Co(2)-N(6) bond length is 2.10 Å. There is one shorter (2.12 Å) and one longer (2.13 Å) Co(2)-N(8) bond length. The Co(2)-O(2) bond length is 2.08 Å. The Co(2)-O(5) bond length is 2.11 Å. The Co(2)-Cl(2) bond length is 2.42 Å. In the third Co site, Co(3) is bonded to one N(4,5); two equivalent N(9); one O(1,3); one O(4,6); and one Cl(3) atom to form CoN3ClO2 octahedra that share  a cornercorner with one Co(6)N2ClO2 trigonal bipyramid,  an edgeedge with one Co(3)N3ClO2 octahedra, and  an edgeedge with one Co(6)N2ClO2 trigonal bipyramid. The Co(3)-N(4,5) bond length is 2.10 Å. There is one shorter (2.12 Å) and one longer (2.13 Å) Co(3)-N(9) bond length. The Co(3)-O(1,3) bond length is 2.08 Å. The Co(3)-O(4,6) bond length is 2.11 Å. The Co(3)-Cl(3) bond length is 2.42 Å. In the fourth Co site, Co(4) is bonded to one N(3), one N(7), one O(10), one O(7), and one Cl(1) atom to form a mixture of distorted edge and corner-sharing CoN2ClO2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. The Co(4)-N(3) bond length is 2.11 Å. The Co(4)-N(7) bond length is 2.02 Å. The Co(4)-O(10) bond length is 1.99 Å. The Co(4)-O(7) bond length is 2.01 Å. The Co(4)-Cl(1) bond length is 2.40 Å. In the fifth Co site, Co(5) is bonded to one N(1), one N(8), one O(11), one O(8), and one Cl(2) atom to form a mixture of distorted edge and corner-sharing CoN2ClO2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. The Co(5)-N(1) bond length is 2.11 Å. The Co(5)-N(8) bond length is 2.02 Å. The Co(5)-O(11) bond length is 1.99 Å. The Co(5)-O(8) bond length is 2.00 Å. The Co(5)-Cl(2) bond length is 2.40 Å. In the sixth Co site, Co(6) is bonded to one N(2), one N(9), one O(12), one O(9), and one Cl(3) atom to form a mixture of distorted edge and corner-sharing CoN2ClO2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 63°. The Co(6)-N(2) bond length is 2.11 Å. The Co(6)-N(9) bond length is 2.02 Å. The Co(6)-O(12) bond length is 1.99 Å. The Co(6)-O(9) bond length is 2.01 Å. The Co(6)-Cl(3) bond length is 2.40 Å. There are twenty-four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(19); one C(25,26,27); and one C(4) atom. The C(1)-C(19) bond length is 1.50 Å. The C(1)-C(25,26,27) bond length is 1.40 Å. The C(1)-C(4) bond length is 1.40 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(20); one C(25,26,27); and one C(5,6) atom. The C(2)-C(20) bond length is 1.50 Å. The C(2)-C(25,26,27) bond length is 1.40 Å. The C(2)-C(5,6) bond length is 1.40 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(21); one C(25,26,27); and one C(5,6) atom. The C(3)-C(21) bond length is 1.50 Å. The C(3)-C(25,26,27) bond length is 1.40 Å. The C(3)-C(5,6) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1), one N(1), and one H(1) atom. The C(4)-N(1) bond length is 1.35 Å. The C(4)-H(1) bond length is 1.09 Å. In the fifth C site, C(5,6) is bonded in a distorted trigonal planar geometry to one C(2); one N(2); and one H(2,3) atom. The C(5,6)-N(2) bond length is 1.35 Å. The C(5,6)-H(2,3) bond length is 1.09 Å. In the sixth C site, C(7,8,9) is bonded in a trigonal planar geometry to one C(13,15); one C(22,23,24); and one C(28) atom. The C(7,8,9)-C(13,15) bond length is 1.39 Å. The C(7,8,9)-C(22,23,24) bond length is 1.40 Å. The C(7,8,9)-C(28) bond length is 1.50 Å. In the seventh C site, C(10) is bonded in a distorted single-bond geometry to one C(34) and one H(4,5,6) atom. The C(10)-C(34) bond length is 1.39 Å. The C(10)-H(4,5,6) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a distorted single-bond geometry to one C(35,36) and one H(4,5,6) atom. The C(11)-C(35,36) bond length is 1.39 Å. The C(11)-H(4,5,6) bond length is 1.09 Å. In the ninth C site, C(12) is bonded in a distorted single-bond geometry to one C(35,36) and one H(4,5,6) atom. The C(12)-C(35,36) bond length is 1.39 Å. The C(12)-H(4,5,6) 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 C(7,8,9); one N(4,5); and one H(7,8,9) atom. The C(13,15)-N(4,5) bond length is 1.34 Å. The C(13,15)-H(7,8,9) bond length is 1.09 Å. In the eleventh C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(7,8,9); one N(4,5); and one H(7,8,9) atom. The C(14)-C(7,8,9) bond length is 1.39 Å. The C(14)-N(4,5) bond length is 1.34 Å. The C(14)-H(7,8,9) bond length is 1.09 Å. In the twelfth C site, C(16,18) is bonded in a distorted bent 120 degrees geometry to one N(4,5) and one H(10,11,12) atom. The C(16,18)-N(4,5) bond length is 1.35 Å. The C(16,18)-H(10,11,12) bond length is 1.09 Å. In the thirteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one N(4,5) and one H(10,11,12) atom. The C(17)-N(4,5) bond length is 1.35 Å. The C(17)-H(10,11,12) bond length is 1.09 Å. In the fourteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(1); one O(10); and one O(4,6) atom. The C(19)-O(10) bond length is 1.29 Å. The C(19)-O(4,6) bond length is 1.26 Å. In the fifteenth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(11), and one O(5) atom. The C(20)-O(11) bond length is 1.29 Å. The C(20)-O(5) bond length is 1.26 Å. In the sixteenth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(3); one O(12); and one O(4,6) atom. The C(21)-O(12) bond length is 1.29 Å. The C(21)-O(4,6) bond length is 1.26 Å. In the seventeenth C site, C(22,23,24) is bonded in a distorted trigonal planar geometry to one C(31,32,33); one C(7,8,9); and one H(13,14,15) atom. The C(22,23,24)-C(31,32,33) bond length is 1.39 Å. The C(22,23,24)-H(13,14,15) bond length is 1.09 Å. In the eighteenth C site, C(25,26,27) is bonded in a distorted single-bond geometry to one C(1) and one H(16,17,18) atom. The C(25,26,27)-H(16,17,18) bond length is 1.09 Å. In the nineteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(7,8,9); one O(1,3); and one O(7) atom. The C(28)-O(1,3) bond length is 1.26 Å. The C(28)-O(7) bond length is 1.28 Å. In the twentieth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(7,8,9); one O(2); and one O(8) atom. The C(29)-C(7,8,9) bond length is 1.49 Å. The C(29)-O(2) bond length is 1.26 Å. The C(29)-O(8) bond length is 1.28 Å. In the twenty-first C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(7,8,9); one O(1,3); and one O(9) atom. The C(30)-C(7,8,9) bond length is 1.50 Å. The C(30)-O(1,3) bond length is 1.26 Å. The C(30)-O(9) bond length is 1.28 Å. In the twenty-second C site, C(31,32,33) is bonded in a distorted single-bond geometry to one C(22,23,24) and one H(19,20,21) atom. The C(31,32,33)-H(19,20,21) bond length is 1.09 Å. In the twenty-third C site, C(34) is bonded in a distorted trigonal planar geometry to one C(10), one N(1), and one H(22) atom. The C(34)-N(1) bond length is 1.35 Å. The C(34)-H(22) bond length is 1.09 Å. In the twenty-fourth C site, C(35,36) is bonded in a distorted trigonal planar geometry to one C(11), one N(2), and one H(23) atom. The C(35,36)-N(2) bond length is 1.35 Å. The C(35,36)-H(23) bond length is 1.09 Å. There are twelve inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(5), one C(34), and one C(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(6); one C(35,36); and one C(5,6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(4); one C(35,36); and one C(5,6) atom. The N(3)-C(35,36) bond length is 1.35 Å. The N(3)-C(5,6) bond length is 1.35 Å. In the fourth N site, N(4,5) is bonded in a trigonal planar geometry to one Co(3); one C(13,15); and one C(16,18) atom. In the fifth N site, N(6) is bonded in a trigonal planar geometry to one Co(2); one C(13,15); and one C(16,18) atom. The N(6)-C(13,15) bond length is 1.34 Å. The N(6)-C(16,18) bond length is 1.35 Å. In the sixth N site, N(7) is bonded to one Co(4), two equivalent Co(1), and one N(10) atom to form distorted edge-sharing NCo3N trigonal pyramids. The N(7)-N(10) bond length is 1.23 Å. In the seventh N site, N(8) is bonded to one Co(5), two equivalent Co(2), and one N(11) atom to form distorted edge-sharing NCo3N trigonal pyramids. The N(8)-N(11) bond length is 1.23 Å. In the eighth N site, N(9) is bonded to one Co(6), two equivalent Co(3), and one N(12) atom to form distorted edge-sharing NCo3N trigonal pyramids. The N(9)-N(12) bond length is 1.23 Å. In the ninth N site, N(10) is bonded in a linear geometry to one N(13,14,15) and one N(7) atom. The N(10)-N(13,14,15) bond length is 1.15 Å. In the tenth N site, N(11) is bonded in a linear geometry to one N(13,14,15) and one N(8) atom. The N(11)-N(13,14,15) bond length is 1.15 Å. In the eleventh N site, N(12) is bonded in a linear geometry to one N(13,14,15) and one N(9) atom. The N(12)-N(13,14,15) bond length is 1.15 Å. In the twelfth N site, N(13,14,15) is bonded in a single-bond geometry to one N(10) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2,3) is bonded in a single-bond geometry to one C(5,6) atom. In the third H site, H(4,5,6) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(7,8,9) is bonded in a single-bond geometry to one C(13,15) atom. In the fifth H site, H(10,11,12) is bonded in a single-bond geometry to one C(16,18) atom. In the sixth H site, H(13,14,15) is bonded in a single-bond geometry to one C(22,23,24) atom. In the seventh H site, H(16,17,18) is bonded in a single-bond geometry to one C(25,26,27) atom. In the eighth H site, H(19,20,21) is bonded in a single-bond geometry to one C(31,32,33) atom. In the ninth H site, H(22) is bonded in a single-bond geometry to one C(34) atom. In the tenth H site, H(23) is bonded in a single-bond geometry to one C(35,36) atom. In the eleventh H site, H(24) is bonded in a single-bond geometry to one C(35,36) atom. The H(24)-C(35,36) bond length is 1.09 Å. There are ten inequivalent O sites. In the first O site, O(1,3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(28) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(2) and one C(29) atom. In the third O site, O(4,6) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one C(19) atom. In the fourth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one C(20) atom. In the fifth O site, O(7) is bonded in a bent 120 degrees geometry to one Co(4) and one C(28) atom. In the sixth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(5) and one C(29) atom. In the seventh O site, O(9) is bonded in a bent 120 degrees geometry to one Co(6) and one C(30) atom. In the eighth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(4) and one C(19) atom. In the ninth O site, O(11) is bonded in a bent 120 degrees geometry to one Co(5) and one C(20) atom. In the tenth O site, O(12) is bonded in a bent 120 degrees geometry to one Co(6) and one C(21) atom. There are three inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted L-shaped geometry to one Co(1) and one Co(4) atom. In the second Cl site, Cl(2) is bonded in a distorted L-shaped geometry to one Co(2) and one Co(5) atom. In the third Cl site, Cl(3) is bonded in a distorted L-shaped geometry to one Co(3) and one Co(6) atom. Linkers: 12 [O]C(=O)c1cccnc1. Metal clusters: 12 [Co]. The MOF has largest included sphere 7.43 A, density 1.70 g/cm3, surface area 3167.82 m2/g, accessible volume 0.25 cm3/g