Co2C19H22(NO4)2 crystallizes in the trigonal R3 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a square pyramidal geometry to one N(1), one O(1), one O(3), one O(6), and one O(8) atom. The Co(1)-N(1) bond length is 2.21 Å. The Co(1)-O(1) bond length is 2.09 Å. The Co(1)-O(3) bond length is 2.09 Å. The Co(1)-O(6) bond length is 2.12 Å. The Co(1)-O(8) bond length is 2.05 Å. In the second Co site, Co(2) is bonded in a square pyramidal geometry to one N(2), one O(2), one O(4), one O(5), and one O(7) atom. The Co(2)-N(2) bond length is 2.25 Å. The Co(2)-O(2) bond length is 2.07 Å. The Co(2)-O(4) bond length is 2.11 Å. The Co(2)-O(5) bond length is 2.05 Å. The Co(2)-O(7) bond length is 2.09 Å. There are nineteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(11), one C(2), and one C(6) atom. The C(1)-C(11) bond length is 1.48 Å. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.42 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(3) atom. The C(2)-C(10) bond length is 1.55 Å. The C(2)-C(3) bond length is 1.38 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(9) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-C(9) bond length is 1.54 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-C(8) bond length is 1.48 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(1) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(1) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.50 Å. In the seventh C site, C(7) is bonded in a trigonal non-coplanar geometry to one C(6), one H(2), one H(3), and one H(4) atom. The C(7)-H(2) bond length is 0.96 Å. The C(7)-H(3) bond length is 0.96 Å. The C(7)-H(4) bond length is 0.96 Å. In the eighth C site, C(8) is bonded in a trigonal non-coplanar geometry to one C(4); one H(6); and two equivalent H(5,7) atoms. The C(8)-H(6) bond length is 0.96 Å. Both C(8)-H(5,7) bond lengths are 0.96 Å. In the ninth C site, C(9) is bonded in a 3-coordinate geometry to one C(3); one N(2); and two equivalent H(8,9) atoms. The C(9)-N(2) bond length is 1.52 Å. Both C(9)-H(8,9) bond lengths are 0.97 Å. In the tenth C site, C(10) is bonded in a trigonal non-coplanar geometry to one C(2); one H(12); and two equivalent H(10,11) atoms. The C(10)-H(12) bond length is 0.96 Å. Both C(10)-H(10,11) bond lengths are 0.96 Å. In the eleventh C site, C(11) is bonded in a 2-coordinate geometry to one C(1), one N(1), one H(13), and one H(14) atom. The C(11)-N(1) bond length is 1.52 Å. The C(11)-H(13) bond length is 0.97 Å. The C(11)-H(14) bond length is 0.97 Å. In the twelfth C site, C(12) is bonded in a 3-coordinate geometry to one N(1), one H(15), and one H(16) atom. The C(12)-N(1) bond length is 1.48 Å. The C(12)-H(15) bond length is 0.97 Å. The C(12)-H(16) bond length is 0.97 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(13)-O(1) bond length is 1.24 Å. The C(13)-O(2) bond length is 1.27 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(14)-O(3) bond length is 1.23 Å. The C(14)-O(4) bond length is 1.27 Å. In the fifteenth C site, C(15) is bonded in a 3-coordinate geometry to one N(1) and two equivalent H(17,18) atoms. The C(15)-N(1) bond length is 1.52 Å. Both C(15)-H(17,18) bond lengths are 0.97 Å. In the sixteenth C site, C(16) is bonded in a 3-coordinate geometry to one N(2), one H(19), and one H(20) atom. The C(16)-N(2) bond length is 1.42 Å. The C(16)-H(19) bond length is 0.97 Å. The C(16)-H(20) bond length is 0.97 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(17)-O(5) bond length is 1.28 Å. The C(17)-O(6) bond length is 1.24 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(18)-O(7) bond length is 1.23 Å. The C(18)-O(8) bond length is 1.28 Å. In the nineteenth C site, C(19) is bonded in a 3-coordinate geometry to one N(2), one H(21), and one H(22) atom. The C(19)-N(2) bond length is 1.47 Å. The C(19)-H(21) bond length is 0.97 Å. The C(19)-H(22) bond length is 0.97 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a tetrahedral geometry to one Co(1), one C(11), one C(12), and one C(15) atom. In the second N site, N(2) is bonded in a distorted tetrahedral geometry to one Co(2), one C(16), one C(19), and one C(9) atom. There are eighteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5,7) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(8,9) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(10,11) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(10) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(11) atom. In the twelfth H site, H(15) is bonded in a single-bond geometry to one C(12) atom. In the thirteenth H site, H(16) is bonded in a single-bond geometry to one C(12) atom. In the fourteenth H site, H(17,18) is bonded in a single-bond geometry to one C(15) atom. In the fifteenth H site, H(19) is bonded in a single-bond geometry to one C(16) atom. In the sixteenth H site, H(20) is bonded in a single-bond geometry to one C(16) atom. In the seventeenth H site, H(21) is bonded in a single-bond geometry to one C(19) atom. In the eighteenth H site, H(22) is bonded in a single-bond geometry to one C(19) atom. There are eight inequivalent O sites. In the first O site, O(4) is bonded in a bent 120 degrees geometry to one Co(2) and one C(14) atom. In the second O site, O(5) is bonded in a bent 120 degrees geometry to one Co(2) and one C(17) atom. In the third O site, O(1) is bonded in a bent 120 degrees geometry to one Co(1) and one C(13) atom. In the fourth O site, O(2) is bonded in a bent 120 degrees geometry to one Co(2) and one C(13) atom. In the fifth O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(14) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(1) and one C(17) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one C(18) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(1) and one C(18) atom. Linkers: 1 Cc1cc(C)c(CN(CC([O])=O)CC([O])=O)c(C)c1CN(CC([O])=O)CC([O])=O. Metal clusters: 6 [Co]. The MOF has largest included sphere 6.21 A, density 1.24 g/cm3, surface area 3866.99 m2/g, accessible volume 0.39 cm3/g