CoC8NH9O7 crystallizes in the triclinic P1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(10), one O(14), one O(21), one O(25), and one O(3) atom to form edge-sharing CoO6 octahedra. The Co(1)-O(1) bond length is 2.01 Å. The Co(1)-O(10) bond length is 2.01 Å. The Co(1)-O(14) bond length is 2.19 Å. The Co(1)-O(21) bond length is 2.28 Å. The Co(1)-O(25) bond length is 2.03 Å. The Co(1)-O(3) bond length is 2.21 Å. In the second Co site, Co(2) is bonded to one O(13), one O(2), one O(22), one O(26), one O(4), and one O(9) atom to form edge-sharing CoO6 octahedra. The Co(2)-O(13) bond length is 2.19 Å. The Co(2)-O(2) bond length is 2.01 Å. The Co(2)-O(22) bond length is 2.28 Å. The Co(2)-O(26) bond length is 2.03 Å. The Co(2)-O(4) bond length is 2.19 Å. The Co(2)-O(9) bond length is 2.01 Å. In the third Co site, Co(3) is bonded to one O(1), one O(12), one O(16), one O(23), one O(27), and one O(3) atom to form edge-sharing CoO6 octahedra. The Co(3)-O(1) bond length is 2.21 Å. The Co(3)-O(12) bond length is 2.00 Å. The Co(3)-O(16) bond length is 2.19 Å. The Co(3)-O(23) bond length is 2.30 Å. The Co(3)-O(27) bond length is 2.03 Å. The Co(3)-O(3) bond length is 2.01 Å. In the fourth Co site, Co(4) is bonded to one O(11), one O(15), one O(2), one O(24), one O(28), and one O(4) atom to form edge-sharing CoO6 octahedra. The Co(4)-O(11) bond length is 2.01 Å. The Co(4)-O(15) bond length is 2.19 Å. The Co(4)-O(2) bond length is 2.19 Å. The Co(4)-O(24) bond length is 2.28 Å. The Co(4)-O(28) bond length is 2.04 Å. The Co(4)-O(4) bond length is 2.01 Å. There are thirty-one inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(5); one N(1,3,4); and one H(17,18,19,20) atom. The C(1)-C(5) bond length is 1.39 Å. The C(1)-N(1,3,4) bond length is 1.35 Å. The C(1)-H(17,18,19,20) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(6); one N(2); and one H(17,18,19,20) atom. The C(2)-C(6) bond length is 1.39 Å. The C(2)-N(2) bond length is 1.35 Å. The C(2)-H(17,18,19,20) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(7); one N(1,3,4); and one H(17,18,19,20) atom. The C(3)-C(7) bond length is 1.39 Å. The C(3)-N(1,3,4) bond length is 1.35 Å. The C(3)-H(17,18,19,20) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(8); one N(1,3,4); and one H(17,18,19,20) atom. The C(4)-C(8) bond length is 1.39 Å. The C(4)-N(1,3,4) bond length is 1.35 Å. The C(4)-H(17,18,19,20) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1); one C(21); and one C(9,12) atom. The C(5)-C(21) bond length is 1.51 Å. The C(5)-C(9,12) bond length is 1.39 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(10), one C(2), and one C(22) atom. The C(6)-C(10) bond length is 1.39 Å. The C(6)-C(22) bond length is 1.51 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(23), and one C(3) atom. The C(7)-C(11) bond length is 1.39 Å. The C(7)-C(23) bond length is 1.51 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(24); one C(4); and one C(9,12) atom. The C(8)-C(24) bond length is 1.51 Å. The C(8)-C(9,12) bond length is 1.39 Å. In the ninth C site, C(9,12) is bonded in a distorted single-bond geometry to one C(5) and one H(21) atom. The C(9,12)-H(21) bond length is 1.08 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(6) and one H(22) atom. The C(10)-H(22) bond length is 1.08 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(7) and one H(23,24) atom. The C(11)-H(23,24) bond length is 1.08 Å. In the twelfth C site, C(13) is bonded in a distorted single-bond geometry to one C(17) and one O(1) atom. The C(13)-C(17) bond length is 1.41 Å. The C(13)-O(1) bond length is 1.32 Å. In the thirteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(18) and one O(2) atom. The C(14)-C(18) bond length is 1.41 Å. The C(14)-O(2) bond length is 1.32 Å. In the fourteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(19) and one O(3) atom. The C(15)-C(19) bond length is 1.41 Å. The C(15)-O(3) bond length is 1.32 Å. In the fifteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(20) and one O(4) atom. The C(16)-C(20) bond length is 1.41 Å. The C(16)-O(4) bond length is 1.32 Å. In the sixteenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(13); one N(1,3,4); and one H(25,27,28) atom. The C(17)-N(1,3,4) bond length is 1.35 Å. The C(17)-H(25,27,28) bond length is 1.08 Å. In the seventeenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(14), one N(2), and one H(26) atom. The C(18)-N(2) bond length is 1.35 Å. The C(18)-H(26) bond length is 1.08 Å. In the eighteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(15); one N(1,3,4); and one H(25,27,28) atom. The C(19)-N(1,3,4) bond length is 1.35 Å. The C(19)-H(25,27,28) bond length is 1.08 Å. In the nineteenth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(16); one N(1,3,4); and one H(25,27,28) atom. The C(20)-N(1,3,4) bond length is 1.35 Å. The C(20)-H(25,27,28) bond length is 1.08 Å. In the twentieth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(9) atom. The C(21)-O(5) bond length is 1.26 Å. The C(21)-O(9) bond length is 1.27 Å. In the twenty-first C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(10), and one O(6) atom. The C(22)-O(10) bond length is 1.27 Å. The C(22)-O(6) bond length is 1.26 Å. In the twenty-second C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(11), and one O(7) atom. The C(23)-O(11) bond length is 1.27 Å. The C(23)-O(7) bond length is 1.26 Å. In the twenty-third C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(12), and one O(8) atom. The C(24)-O(12) bond length is 1.27 Å. The C(24)-O(8) bond length is 1.26 Å. In the twenty-fourth C site, C(25) is bonded in a distorted trigonal non-coplanar geometry to one N(1,3,4); one H(29,30,31,32); and one H(33,34,35,36) atom. The C(25)-N(1,3,4) bond length is 1.47 Å. The C(25)-H(29,30,31,32) bond length is 1.10 Å. The C(25)-H(33,34,35,36) bond length is 1.10 Å. In the twenty-fifth C site, C(26) is bonded in a distorted trigonal non-coplanar geometry to one N(2); one H(29,30,31,32); and one H(33,34,35,36) atom. The C(26)-N(2) bond length is 1.47 Å. The C(26)-H(29,30,31,32) bond length is 1.10 Å. The C(26)-H(33,34,35,36) bond length is 1.10 Å. In the twenty-sixth C site, C(27) is bonded in a distorted trigonal non-coplanar geometry to one N(1,3,4); one H(29,30,31,32); and one H(33,34,35,36) atom. The C(27)-N(1,3,4) bond length is 1.47 Å. The C(27)-H(29,30,31,32) bond length is 1.10 Å. The C(27)-H(33,34,35,36) bond length is 1.10 Å. In the twenty-seventh C site, C(28) is bonded in a distorted trigonal non-coplanar geometry to one N(1,3,4); one H(29,30,31,32); and one H(33,34,35,36) atom. The C(28)-N(1,3,4) bond length is 1.47 Å. The C(28)-H(29,30,31,32) bond length is 1.10 Å. The C(28)-H(33,34,35,36) bond length is 1.10 Å. In the twenty-eighth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(17) atom. The C(29)-O(13) bond length is 1.26 Å. The C(29)-O(17) bond length is 1.28 Å. In the twenty-ninth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one O(14) and one O(18) atom. The C(30)-O(14) bond length is 1.26 Å. The C(30)-O(18) bond length is 1.28 Å. In the thirtieth C site, C(31) is bonded in a distorted bent 120 degrees geometry to one O(15) and one O(19) atom. The C(31)-O(15) bond length is 1.26 Å. The C(31)-O(19) bond length is 1.28 Å. In the thirty-first C site, C(32) is bonded in a distorted bent 120 degrees geometry to one O(16) and one O(20) atom. The C(32)-O(16) bond length is 1.26 Å. The C(32)-O(20) bond length is 1.28 Å. There are two inequivalent N sites. In the first N site, N(1,3,4) is bonded in a trigonal planar geometry to one C(1), one C(17), and one C(25) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(18), one C(2), and one C(26) atom. There are twenty-four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(21) atom. The H(1)-O(21) bond length is 0.97 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(22) atom. The H(2)-O(22) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(23) atom. The H(3)-O(23) bond length is 0.97 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(24) atom. The H(4)-O(24) bond length is 0.97 Å. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(17) and one O(21) atom. The H(5)-O(17) bond length is 1.68 Å. The H(5)-O(21) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(18) and one O(22) atom. The H(6)-O(18) bond length is 1.67 Å. The H(6)-O(22) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(19) and one O(23) atom. The H(7)-O(19) bond length is 1.68 Å. The H(7)-O(23) bond length is 1.00 Å. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(20) and one O(24) atom. The H(8)-O(20) bond length is 1.68 Å. The H(8)-O(24) bond length is 1.00 Å. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(25) and one O(7) atom. The H(9)-O(25) bond length is 1.00 Å. The H(9)-O(7) bond length is 1.67 Å. In the tenth H site, H(10) is bonded in a distorted single-bond geometry to one O(26) and one O(8) atom. The H(10)-O(26) bond length is 1.00 Å. The H(10)-O(8) bond length is 1.68 Å. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(27) and one O(5) atom. The H(11)-O(27) bond length is 1.00 Å. The H(11)-O(5) bond length is 1.67 Å. In the twelfth H site, H(12) is bonded in a distorted single-bond geometry to one O(28) and one O(6) atom. The H(12)-O(28) bond length is 1.00 Å. The H(12)-O(6) bond length is 1.68 Å. In the thirteenth H site, H(13) is bonded in a distorted single-bond geometry to one O(18) and one O(25) atom. The H(13)-O(18) bond length is 1.67 Å. The H(13)-O(25) bond length is 1.00 Å. In the fourteenth H site, H(14) is bonded in a distorted single-bond geometry to one O(17) and one O(26) atom. The H(14)-O(17) bond length is 1.67 Å. The H(14)-O(26) bond length is 1.00 Å. In the fifteenth H site, H(15) is bonded in a distorted single-bond geometry to one O(20) and one O(27) atom. The H(15)-O(20) bond length is 1.67 Å. The H(15)-O(27) bond length is 1.00 Å. In the sixteenth H site, H(16) is bonded in a distorted single-bond geometry to one O(19) and one O(28) atom. The H(16)-O(19) bond length is 1.67 Å. The H(16)-O(28) bond length is 1.00 Å. In the seventeenth H site, H(17,18,19,20) is bonded in a single-bond geometry to one C(1) atom. In the eighteenth H site, H(21) is bonded in a single-bond geometry to one C(9,12) atom. In the nineteenth H site, H(22) is bonded in a single-bond geometry to one C(10) atom. In the twentieth H site, H(23,24) is bonded in a single-bond geometry to one C(11) atom. In the twenty-first H site, H(25,27,28) is bonded in a single-bond geometry to one C(17) atom. In the twenty-second H site, H(26) is bonded in a single-bond geometry to one C(18) atom. In the twenty-third H site, H(29,30,31,32) is bonded in a single-bond geometry to one C(25) atom. In the twenty-fourth H site, H(33,34,35,36) is bonded in a single-bond geometry to one C(25) atom. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one C(13) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one C(14) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one C(15) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one C(16) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(21) and one H(11) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one C(22) and one H(12) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one C(23) and one H(9) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one C(24) and one H(10) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(2) and one C(21) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Co(1) and one C(22) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Co(4) and one C(23) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Co(3) and one C(24) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one C(29) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(30) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one C(31) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one C(32) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one C(29), one H(14), and one H(5) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one C(30), one H(13), and one H(6) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one C(31), one H(16), and one H(7) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal planar geometry to one C(32), one H(15), and one H(8) atom. In the twenty-first O site, O(21) is bonded in a distorted water-like geometry to one Co(1), one H(1), and one H(5) atom. In the twenty-second O site, O(22) is bonded in a water-like geometry to one Co(2), one H(2), and one H(6) atom. In the twenty-third O site, O(23) is bonded in a water-like geometry to one Co(3), one H(3), and one H(7) atom. In the twenty-fourth O site, O(24) is bonded in a distorted water-like geometry to one Co(4), one H(4), and one H(8) atom. In the twenty-fifth O site, O(25) is bonded in a distorted trigonal non-coplanar geometry to one Co(1), one H(13), and one H(9) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal non-coplanar geometry to one Co(2), one H(10), and one H(14) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal non-coplanar geometry to one Co(3), one H(11), and one H(15) atom. In the twenty-eighth O site, O(28) is bonded in a distorted trigonal non-coplanar geometry to one Co(4), one H(12), and one H(16) atom. Linkers: 2 [O]C(=O)CN1[CH]C([O])=CC(C([O])=O)=C1 ,2 [O]C(=O)CN1[CH]C(C([O])=O)=CC([O])=C1. Metal clusters: 2 O.O.O.O.O=[C]O[Co]1(O[C]=O)O[Co](O[C]=O)(O[C]=O)O1. RCSR code: rtl. The MOF has largest included sphere 1.47 A, density 2.06 g/cm3, surface area 3145.93 m2/g, accessible volume 0.08 cm3/g