Co3C26N4H16O13 crystallizes in the monoclinic P2_1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(5), one N(7), one O(17), one O(19), one O(3), and one O(6) atom to form distorted corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 69°. The Co(1)-N(5) bond length is 2.02 Å. The Co(1)-N(7) bond length is 2.13 Å. The Co(1)-O(17) bond length is 2.10 Å. The Co(1)-O(19) bond length is 2.36 Å. The Co(1)-O(3) bond length is 1.98 Å. The Co(1)-O(6) bond length is 2.05 Å. In the second Co site, Co(2) is bonded to one N(6), one N(8), one O(18), one O(20), one O(4), and one O(5) atom to form distorted corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 69°. The Co(2)-N(6) bond length is 2.03 Å. The Co(2)-N(8) bond length is 2.12 Å. The Co(2)-O(18) bond length is 2.10 Å. The Co(2)-O(20) bond length is 2.36 Å. The Co(2)-O(4) bond length is 1.98 Å. The Co(2)-O(5) bond length is 2.05 Å. In the third Co site, Co(3) is bonded to one O(1), one O(17), one O(18), one O(2), one O(7), and one O(8) atom to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 69°. The Co(3)-O(1) bond length is 2.02 Å. The Co(3)-O(17) bond length is 2.09 Å. The Co(3)-O(18) bond length is 2.09 Å. The Co(3)-O(2) bond length is 2.02 Å. The Co(3)-O(7) bond length is 2.04 Å. The Co(3)-O(8) bond length is 2.05 Å. In the fourth Co site, Co(4) is bonded to one N(1), one N(3), one O(11), one O(14), one O(21), and one O(25) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 68°. The Co(4)-N(1) bond length is 2.06 Å. The Co(4)-N(3) bond length is 2.13 Å. The Co(4)-O(11) bond length is 2.03 Å. The Co(4)-O(14) bond length is 2.07 Å. The Co(4)-O(21) bond length is 2.13 Å. The Co(4)-O(25) bond length is 2.17 Å. In the fifth Co site, Co(5) is bonded to one N(2), one N(4), one O(12), one O(13), one O(22), and one O(26) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 67°. The Co(5)-N(2) bond length is 2.06 Å. The Co(5)-N(4) bond length is 2.13 Å. The Co(5)-O(12) bond length is 2.03 Å. The Co(5)-O(13) bond length is 2.07 Å. The Co(5)-O(22) bond length is 2.13 Å. The Co(5)-O(26) bond length is 2.17 Å. In the sixth Co site, Co(6) is bonded to one O(10), one O(15), one O(16), one O(21), one O(22), and one O(9) atom to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 67-68°. The Co(6)-O(10) bond length is 2.02 Å. The Co(6)-O(15) bond length is 2.05 Å. The Co(6)-O(16) bond length is 2.04 Å. The Co(6)-O(21) bond length is 2.11 Å. The Co(6)-O(22) bond length is 2.11 Å. The Co(6)-O(9) bond length is 2.04 Å. There are forty-nine inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3); one N(1); and one H(5,6) atom. The C(1)-C(3) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-H(5,6) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4); one N(2); and one H(5,6) atom. The C(2)-C(4) bond length is 1.40 Å. The C(2)-N(2) bond length is 1.34 Å. The C(2)-H(5,6) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1); one C(21); and one C(5,6) atom. The C(3)-C(21) bond length is 1.50 Å. The C(3)-C(5,6) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(2); one C(22); and one C(5,6) atom. The C(4)-C(22) bond length is 1.50 Å. The C(4)-C(5,6) bond length is 1.40 Å. In the fifth C site, C(5,6) is bonded in a distorted trigonal planar geometry to one C(3); one C(7,8); and one H(7,8) atom. The C(5,6)-C(7,8) bond length is 1.39 Å. The C(5,6)-H(7,8) bond length is 1.09 Å. In the sixth C site, C(7,8) is bonded in a distorted trigonal planar geometry to one C(5,6); one C(9); and one H(9,10) atom. The C(7,8)-C(9) bond length is 1.40 Å. The C(7,8)-H(9,10) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(7,8) and one N(1) atom. The C(9)-N(1) bond length is 1.36 Å. In the eighth C site, C(10) is bonded in a distorted single-bond geometry to one C(7,8) and one N(2) atom. The C(10)-C(7,8) bond length is 1.40 Å. The C(10)-N(2) bond length is 1.36 Å. In the ninth C site, C(11) is bonded in a distorted single-bond geometry to one C(13) and one N(3) atom. The C(11)-C(13) bond length is 1.40 Å. The C(11)-N(3) bond length is 1.36 Å. In the tenth C site, C(12) is bonded in a distorted single-bond geometry to one C(14) and one N(4) atom. The C(12)-C(14) bond length is 1.40 Å. The C(12)-N(4) bond length is 1.36 Å. In the eleventh C site, C(13) is bonded in a distorted trigonal planar geometry to one C(11), one C(15), and one H(11) atom. The C(13)-C(15) bond length is 1.39 Å. The C(13)-H(11) bond length is 1.09 Å. In the twelfth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(12), one C(16), and one H(12) atom. The C(14)-C(16) bond length is 1.39 Å. The C(14)-H(12) bond length is 1.09 Å. In the thirteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(13); one C(17); and one H(13,14) atom. The C(15)-C(17) bond length is 1.40 Å. The C(15)-H(13,14) bond length is 1.09 Å. In the fourteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14); one C(18); and one H(13,14) atom. The C(16)-C(18) bond length is 1.40 Å. The C(16)-H(13,14) bond length is 1.09 Å. In the fifteenth C site, C(17) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(23) atom. The C(17)-C(19) bond length is 1.40 Å. The C(17)-C(23) bond length is 1.50 Å. In the sixteenth C site, C(18) is bonded in a trigonal planar geometry to one C(16), one C(20), and one C(24) atom. The C(18)-C(20) bond length is 1.40 Å. The C(18)-C(24) bond length is 1.50 Å. In the seventeenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(17), one N(3), and one H(15) atom. The C(19)-N(3) bond length is 1.34 Å. The C(19)-H(15) bond length is 1.09 Å. In the eighteenth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(18), one N(4), and one H(16) atom. The C(20)-N(4) bond length is 1.34 Å. The C(20)-H(16) bond length is 1.09 Å. In the nineteenth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(21)-O(1) bond length is 1.27 Å. The C(21)-O(3) bond length is 1.28 Å. In the twentieth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(22)-O(2) bond length is 1.27 Å. The C(22)-O(4) bond length is 1.28 Å. In the twenty-first C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(5), and one O(7) atom. The C(23)-O(5) bond length is 1.27 Å. The C(23)-O(7) bond length is 1.27 Å. In the twenty-second C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(6), and one O(8) atom. The C(24)-O(6) bond length is 1.27 Å. The C(24)-O(8) bond length is 1.27 Å. In the twenty-third C site, C(25) is bonded in a distorted bent 120 degrees geometry to one C(27); one N(5); and one H(17,18) atom. The C(25)-C(27) bond length is 1.40 Å. The C(25)-N(5) bond length is 1.34 Å. The C(25)-H(17,18) bond length is 1.09 Å. In the twenty-fourth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(28); one N(6); and one H(17,18) atom. The C(26)-C(28) bond length is 1.40 Å. The C(26)-N(6) bond length is 1.34 Å. The C(26)-H(17,18) bond length is 1.09 Å. In the twenty-fifth C site, C(27) is bonded in a trigonal planar geometry to one C(25), one C(29), and one C(45) atom. The C(27)-C(29) bond length is 1.40 Å. The C(27)-C(45) bond length is 1.50 Å. In the twenty-sixth C site, C(28) is bonded in a trigonal planar geometry to one C(26), one C(30), and one C(46) atom. The C(28)-C(30) bond length is 1.40 Å. The C(28)-C(46) bond length is 1.50 Å. In the twenty-seventh C site, C(29) is bonded in a distorted single-bond geometry to one C(27); one C(31,32); and one H(19,20) atom. The C(29)-C(31,32) bond length is 1.39 Å. The C(29)-H(19,20) bond length is 1.09 Å. In the twenty-eighth C site, C(30) is bonded in a distorted single-bond geometry to one C(28); one C(31,32); and one H(19,20) atom. The C(30)-C(31,32) bond length is 1.39 Å. The C(30)-H(19,20) bond length is 1.09 Å. In the twenty-ninth C site, C(31,32) is bonded in a distorted trigonal planar geometry to one C(29); one C(33); and one H(21,22) atom. The C(31,32)-C(33) bond length is 1.40 Å. The C(31,32)-H(21,22) bond length is 1.09 Å. In the thirtieth C site, C(33) is bonded in a distorted single-bond geometry to one C(31,32) and one N(5) atom. The C(33)-N(5) bond length is 1.36 Å. In the thirty-first C site, C(34) is bonded in a distorted single-bond geometry to one C(31,32) and one N(6) atom. The C(34)-C(31,32) bond length is 1.40 Å. The C(34)-N(6) bond length is 1.36 Å. In the thirty-second C site, C(35) is bonded in a distorted single-bond geometry to one C(37) and one N(7) atom. The C(35)-C(37) bond length is 1.40 Å. The C(35)-N(7) bond length is 1.36 Å. In the thirty-third C site, C(36) is bonded in a distorted single-bond geometry to one C(38) and one N(8) atom. The C(36)-C(38) bond length is 1.40 Å. The C(36)-N(8) bond length is 1.36 Å. In the thirty-fourth C site, C(37) is bonded in a distorted trigonal planar geometry to one C(35), one C(39), and one H(23) atom. The C(37)-C(39) bond length is 1.39 Å. The C(37)-H(23) bond length is 1.09 Å. In the thirty-fifth C site, C(38) is bonded in a distorted trigonal planar geometry to one C(36), one C(40), and one H(24) atom. The C(38)-C(40) bond length is 1.39 Å. The C(38)-H(24) bond length is 1.09 Å. In the thirty-sixth C site, C(39) is bonded in a distorted single-bond geometry to one C(37), one C(41), and one H(25) atom. The C(39)-C(41) bond length is 1.40 Å. The C(39)-H(25) bond length is 1.09 Å. In the thirty-seventh C site, C(40) is bonded in a distorted single-bond geometry to one C(38), one C(42), and one H(26) atom. The C(40)-C(42) bond length is 1.40 Å. The C(40)-H(26) bond length is 1.09 Å. In the thirty-eighth C site, C(41) is bonded in a trigonal planar geometry to one C(39), one C(43), and one C(47) atom. The C(41)-C(43) bond length is 1.40 Å. The C(41)-C(47) bond length is 1.51 Å. In the thirty-ninth C site, C(42) is bonded in a trigonal planar geometry to one C(40), one C(44), and one C(48) atom. The C(42)-C(44) bond length is 1.40 Å. The C(42)-C(48) bond length is 1.51 Å. In the fortieth C site, C(43) is bonded in a distorted bent 120 degrees geometry to one C(41), one N(7), and one H(27) atom. The C(43)-N(7) bond length is 1.34 Å. The C(43)-H(27) bond length is 1.09 Å. In the forty-first C site, C(44) is bonded in a distorted bent 120 degrees geometry to one C(42), one N(8), and one H(28) atom. The C(44)-N(8) bond length is 1.34 Å. The C(44)-H(28) bond length is 1.09 Å. In the forty-second C site, C(45) is bonded in a distorted bent 120 degrees geometry to one C(27), one O(11), and one O(9) atom. The C(45)-O(11) bond length is 1.27 Å. The C(45)-O(9) bond length is 1.27 Å. In the forty-third C site, C(46) is bonded in a distorted bent 120 degrees geometry to one C(28), one O(10), and one O(12) atom. The C(46)-O(10) bond length is 1.27 Å. The C(46)-O(12) bond length is 1.27 Å. In the forty-fourth C site, C(47) is bonded in a distorted bent 120 degrees geometry to one C(41), one O(13), and one O(15) atom. The C(47)-O(13) bond length is 1.27 Å. The C(47)-O(15) bond length is 1.27 Å. In the forty-fifth C site, C(48) is bonded in a distorted bent 120 degrees geometry to one C(42), one O(14), and one O(16) atom. The C(48)-O(14) bond length is 1.27 Å. The C(48)-O(16) bond length is 1.27 Å. In the forty-sixth C site, C(49) is bonded in a trigonal planar geometry to one H(29), one O(17), and one O(19) atom. The C(49)-H(29) bond length is 1.11 Å. The C(49)-O(17) bond length is 1.30 Å. The C(49)-O(19) bond length is 1.25 Å. In the forty-seventh C site, C(50) is bonded in a trigonal planar geometry to one H(30), one O(18), and one O(20) atom. The C(50)-H(30) bond length is 1.11 Å. The C(50)-O(18) bond length is 1.30 Å. The C(50)-O(20) bond length is 1.25 Å. In the forty-eighth C site, C(51) is bonded in a trigonal planar geometry to one H(31), one O(21), and one O(23) atom. The C(51)-H(31) bond length is 1.11 Å. The C(51)-O(21) bond length is 1.30 Å. The C(51)-O(23) bond length is 1.25 Å. In the forty-ninth C site, C(52) is bonded in a trigonal planar geometry to one H(32), one O(22), and one O(24) atom. The C(52)-H(32) bond length is 1.11 Å. The C(52)-O(22) bond length is 1.30 Å. The C(52)-O(24) bond length is 1.25 Å. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(4), one C(1), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(5), one C(10), and one C(2) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(4), one C(11), and one C(19) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(5), one C(12), and one C(20) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Co(1), one C(25), and one C(33) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Co(2), one C(26), and one C(34) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Co(1), one C(35), and one C(43) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Co(2), one C(36), and one C(44) atom. There are twenty-five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(25) atom. The H(1)-O(25) bond length is 0.97 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(26) atom. The H(2)-O(26) bond length is 0.97 Å. In the third H site, H(3) is bonded in a distorted linear geometry to one O(23) and one O(25) atom. The H(3)-O(23) bond length is 1.57 Å. The H(3)-O(25) bond length is 1.02 Å. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(24) and one O(26) atom. The H(4)-O(24) bond length is 1.57 Å. The H(4)-O(26) bond length is 1.02 Å. In the fifth H site, H(5,6) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(5,6) atom. In the seventh H site, H(9,10) is bonded in a single-bond geometry to one C(7,8) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. In the tenth H site, H(13,14) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(15) is bonded in a single-bond geometry to one C(19) atom. In the twelfth H site, H(16) is bonded in a single-bond geometry to one C(20) atom. In the thirteenth H site, H(17,18) is bonded in a single-bond geometry to one C(25) atom. In the fourteenth H site, H(19,20) is bonded in a single-bond geometry to one C(29) atom. In the fifteenth H site, H(21,22) is bonded in a single-bond geometry to one C(31,32) atom. In the sixteenth H site, H(23) is bonded in a single-bond geometry to one C(37) atom. In the seventeenth H site, H(24) is bonded in a single-bond geometry to one C(38) atom. In the eighteenth H site, H(25) is bonded in a single-bond geometry to one C(39) atom. In the nineteenth H site, H(26) is bonded in a single-bond geometry to one C(40) atom. In the twentieth H site, H(27) is bonded in a single-bond geometry to one C(43) atom. In the twenty-first H site, H(28) is bonded in a single-bond geometry to one C(44) atom. In the twenty-second H site, H(29) is bonded in a single-bond geometry to one C(49) atom. In the twenty-third H site, H(30) is bonded in a single-bond geometry to one C(50) atom. In the twenty-fourth H site, H(31) is bonded in a single-bond geometry to one C(51) atom. In the twenty-fifth H site, H(32) is bonded in a single-bond geometry to one C(52) atom. There are twenty-six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one C(21) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one C(22) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(21) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(2) and one C(22) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(2) and one C(23) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(1) and one C(24) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(3) and one C(23) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Co(3) and one C(24) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Co(6) and one C(45) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Co(6) and one C(46) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Co(4) and one C(45) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Co(5) and one C(46) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Co(5) and one C(47) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Co(4) and one C(48) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Co(6) and one C(47) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Co(6) and one C(48) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal non-coplanar geometry to one Co(1), one Co(3), and one C(49) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Co(2), one Co(3), and one C(50) atom. In the nineteenth O site, O(19) is bonded in a distorted L-shaped geometry to one Co(1) and one C(49) atom. In the twentieth O site, O(20) is bonded in a distorted L-shaped geometry to one Co(2) and one C(50) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Co(4), one Co(6), and one C(51) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Co(5), one Co(6), and one C(52) atom. In the twenty-third O site, O(23) is bonded in a distorted water-like geometry to one C(51) and one H(3) atom. In the twenty-fourth O site, O(24) is bonded in a distorted water-like geometry to one C(52) and one H(4) atom. In the twenty-fifth O site, O(25) is bonded in a distorted trigonal non-coplanar geometry to one Co(4), one H(1), and one H(3) atom. In the twenty-sixth O site, O(26) is bonded in a distorted trigonal non-coplanar geometry to one Co(5), one H(2), and one H(4) atom. Linkers: 8 [O]C(=O)c1ccc(-c2ccc(C([O])=O)cn2)nc1. Metal clusters: 2 [C]1O[Co]2O[C]O[Co]34(O1)(O[C]O[Co](O[C]O3)O[CH]O4)O[CH]O2 ,2 O.O.O=CO[Co]12(OC=O)(O[C]O[Co]O[C]O1)O[C]O[Co]O[C]O2. RCSR code: sql. The MOF has largest included sphere 6.74 A, density 0.99 g/cm3, surface area 3628.94 m2/g, accessible volume 0.64 cm3/g