Co3Zn5H40(C11O4)8 crystallizes in the monoclinic C2 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(10), one O(3), and one O(32) atom. The Co(1)-O(1) bond length is 2.07 Å. The Co(1)-O(10) bond length is 2.07 Å. The Co(1)-O(3) bond length is 2.17 Å. The Co(1)-O(32) bond length is 2.03 Å. In the second Co site, Co(2,3) is bonded in a distorted T-shaped geometry to one O(12,28); one O(14,30); and one O(7,23) atom. The Co(2,3)-O(12,28) bond length is 2.07 Å. The Co(2,3)-O(14,30) bond length is 2.07 Å. The Co(2,3)-O(7,23) bond length is 2.08 Å. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted tetrahedral geometry to one O(21), one O(3), one O(31), and one O(9) atom. The Zn(1)-O(21) bond length is 1.99 Å. The Zn(1)-O(3) bond length is 1.99 Å. The Zn(1)-O(31) bond length is 1.96 Å. The Zn(1)-O(9) bond length is 1.96 Å. In the second Zn site, Zn(2,5) is bonded in a tetrahedral geometry to one O(11,27); one O(13,29); one O(2); and one O(8,24) atom. The Zn(2,5)-O(11,27) bond length is 1.94 Å. The Zn(2,5)-O(13,29) bond length is 1.97 Å. The Zn(2,5)-O(2) bond length is 2.00 Å. The Zn(2,5)-O(8,24) bond length is 1.95 Å. In the third Zn site, Zn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(16), one O(17), one O(19), and one O(26) atom. The Zn(3)-O(16) bond length is 2.03 Å. The Zn(3)-O(17) bond length is 2.07 Å. The Zn(3)-O(19) bond length is 2.17 Å. The Zn(3)-O(26) bond length is 2.07 Å. In the fourth Zn site, Zn(4) is bonded in a distorted tetrahedral geometry to one O(15), one O(19), one O(25), and one O(5) atom. The Zn(4)-O(15) bond length is 1.96 Å. The Zn(4)-O(19) bond length is 1.99 Å. The Zn(4)-O(25) bond length is 1.96 Å. The Zn(4)-O(5) bond length is 1.99 Å. There are fifty-two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2); one C(6,50); and one C(7) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6,50) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.50 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1); one C(3,47); and one C(8) atom. The C(2)-C(3,47) bond length is 1.40 Å. The C(2)-C(8) bond length is 1.47 Å. In the third C site, C(3,47) is bonded in a distorted single-bond geometry to one C(2); one C(4,48); and one H(1,21) atom. The C(3,47)-C(4,48) bond length is 1.40 Å. The C(3,47)-H(1,21) bond length is 0.95 Å. In the fourth C site, C(4,48) is bonded in a trigonal planar geometry to one C(3,47); one C(5,49); and one C(9,53) atom. The C(4,48)-C(5,49) bond length is 1.39 Å. The C(4,48)-C(9,53) bond length is 1.49 Å. In the fifth C site, C(5,49) is bonded in a trigonal planar geometry to one C(16,60); one C(4,48); and one C(6,50) atom. The C(5,49)-C(16,60) bond length is 1.47 Å. The C(5,49)-C(6,50) bond length is 1.41 Å. In the sixth C site, C(6,50) is bonded in a distorted single-bond geometry to one C(1); one C(5,49); and one H(2,22) atom. The C(6,50)-H(2,22) bond length is 0.95 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.25 Å. The C(7)-O(2) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(2), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.31 Å. The C(8)-O(4) bond length is 1.24 Å. In the ninth C site, C(9,53) is bonded in a trigonal planar geometry to one C(10,54); one C(14,58); and one C(4,48) atom. The C(9,53)-C(10,54) bond length is 1.40 Å. The C(9,53)-C(14,58) bond length is 1.39 Å. In the tenth C site, C(10,54) is bonded in a distorted single-bond geometry to one C(11,55); one C(9,53); and one H(3,23) atom. The C(10,54)-C(11,55) bond length is 1.41 Å. The C(10,54)-H(3,23) bond length is 0.95 Å. In the eleventh C site, C(11,55) is bonded in a distorted trigonal planar geometry to one C(10,54); one C(12,56); and one H(4,24) atom. The C(11,55)-C(12,56) bond length is 1.37 Å. The C(11,55)-H(4,24) bond length is 0.95 Å. In the twelfth C site, C(12,56) is bonded in a trigonal planar geometry to one C(11,55); one C(13,57); and one C(15,59) atom. The C(12,56)-C(13,57) bond length is 1.37 Å. The C(12,56)-C(15,59) bond length is 1.52 Å. In the thirteenth C site, C(13,57) is bonded in a distorted single-bond geometry to one C(12,56) and one H(5,25) atom. The C(13,57)-H(5,25) bond length is 0.95 Å. In the fourteenth C site, C(14,58) is bonded in a distorted single-bond geometry to one C(9,53) and one H(6,26) atom. The C(14,58)-H(6,26) bond length is 0.95 Å. In the fifteenth C site, C(15,59) is bonded in a distorted bent 120 degrees geometry to one C(12,56); one O(5); and one O(6,22) atom. The C(15,59)-O(5) bond length is 1.24 Å. The C(15,59)-O(6,22) bond length is 1.27 Å. In the sixteenth C site, C(16,60) is bonded in a trigonal planar geometry to one C(17,61); one C(21,65); and one C(5,49) atom. The C(16,60)-C(17,61) bond length is 1.42 Å. The C(16,60)-C(21,65) bond length is 1.38 Å. In the seventeenth C site, C(17,61) is bonded in a distorted single-bond geometry to one C(16,60) and one H(7,27) atom. The C(17,61)-H(7,27) bond length is 0.95 Å. In the eighteenth C site, C(18,62) is bonded in a distorted single-bond geometry to one C(19,63) and one H(8,28) atom. The C(18,62)-C(19,63) bond length is 1.39 Å. The C(18,62)-H(8,28) bond length is 0.95 Å. In the nineteenth C site, C(19,63) is bonded in a trigonal planar geometry to one C(18,62); one C(20,64); and one C(22,66) atom. The C(19,63)-C(20,64) bond length is 1.38 Å. The C(19,63)-C(22,66) bond length is 1.53 Å. In the twentieth C site, C(20,64) is bonded in a distorted trigonal planar geometry to one C(19,63); one C(21,65); and one H(9,29) atom. The C(20,64)-C(21,65) bond length is 1.40 Å. The C(20,64)-H(9,29) bond length is 0.95 Å. In the twenty-first C site, C(21,65) is bonded in a distorted single-bond geometry to one C(16,60); one C(20,64); and one H(10,30) atom. The C(21,65)-H(10,30) bond length is 0.95 Å. In the twenty-second C site, C(22,66) is bonded in a distorted bent 120 degrees geometry to one C(19,63); one O(7,23); and one O(8,24) atom. The C(22,66)-O(7,23) bond length is 1.24 Å. The C(22,66)-O(8,24) bond length is 1.25 Å. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(24,68); one C(28,72); and one C(29) atom. The C(23)-C(24,68) bond length is 1.38 Å. The C(23)-C(28,72) bond length is 1.42 Å. The C(23)-C(29) bond length is 1.48 Å. In the twenty-fourth C site, C(24,68) is bonded in a trigonal planar geometry to one C(23); one C(25,69); and one C(30,74) atom. The C(24,68)-C(25,69) bond length is 1.38 Å. The C(24,68)-C(30,74) bond length is 1.50 Å. In the twenty-fifth C site, C(25,69) is bonded in a distorted single-bond geometry to one C(24,68); one C(26,70); and one H(11,31) atom. The C(25,69)-C(26,70) bond length is 1.38 Å. The C(25,69)-H(11,31) bond length is 0.95 Å. In the twenty-sixth C site, C(26,70) is bonded in a trigonal planar geometry to one C(25,69); one C(27,71); and one C(31,75) atom. The C(26,70)-C(27,71) bond length is 1.42 Å. The C(26,70)-C(31,75) bond length is 1.51 Å. In the twenty-seventh C site, C(27,71) is bonded in a trigonal planar geometry to one C(26,70); one C(28,72); and one C(38,82) atom. The C(27,71)-C(28,72) bond length is 1.41 Å. The C(27,71)-C(38,82) bond length is 1.47 Å. In the twenty-eighth C site, C(28,72) is bonded in a distorted single-bond geometry to one C(23); one C(27,71); and one H(12,32) atom. The C(28,72)-H(12,32) bond length is 0.95 Å. In the twenty-ninth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(10), and one O(9) atom. The C(29)-O(10) bond length is 1.26 Å. The C(29)-O(9) bond length is 1.25 Å. In the thirtieth C site, C(30,74) is bonded in a distorted bent 120 degrees geometry to one C(24,68); one O(11,27); and one O(12,28) atom. The C(30,74)-O(11,27) bond length is 1.26 Å. The C(30,74)-O(12,28) bond length is 1.25 Å. In the thirty-first C site, C(31,75) is bonded in a trigonal planar geometry to one C(26,70); one C(32,76); and one C(36,80) atom. The C(31,75)-C(32,76) bond length is 1.38 Å. The C(31,75)-C(36,80) bond length is 1.42 Å. In the thirty-second C site, C(32,76) is bonded in a distorted trigonal planar geometry to one C(31,75); one C(33,77); and one H(13,33) atom. The C(32,76)-C(33,77) bond length is 1.37 Å. The C(32,76)-H(13,33) bond length is 0.95 Å. In the thirty-third C site, C(33,77) is bonded in a distorted trigonal planar geometry to one C(32,76); one C(34,78); and one H(14,34) atom. The C(33,77)-C(34,78) bond length is 1.38 Å. The C(33,77)-H(14,34) bond length is 0.95 Å. In the thirty-fourth C site, C(34,78) is bonded in a trigonal planar geometry to one C(33,77); one C(35,79); and one C(37,81) atom. The C(34,78)-C(35,79) bond length is 1.38 Å. The C(34,78)-C(37,81) bond length is 1.50 Å. In the thirty-fifth C site, C(35,79) is bonded in a distorted trigonal planar geometry to one C(34,78); one C(36,80); and one H(15,35) atom. The C(35,79)-C(36,80) bond length is 1.38 Å. The C(35,79)-H(15,35) bond length is 0.95 Å. In the thirty-sixth C site, C(36,80) is bonded in a distorted single-bond geometry to one C(31,75); one C(35,79); and one H(16,36) atom. The C(36,80)-H(16,36) bond length is 0.95 Å. In the thirty-seventh C site, C(37,81) is bonded in a distorted bent 120 degrees geometry to one C(34,78); one O(13,29); and one O(14,30) atom. The C(37,81)-O(13,29) bond length is 1.25 Å. The C(37,81)-O(14,30) bond length is 1.25 Å. In the thirty-eighth C site, C(38,82) is bonded in a trigonal planar geometry to one C(27,71); one C(39,83); and one C(43,87) atom. The C(38,82)-C(39,83) bond length is 1.39 Å. The C(38,82)-C(43,87) bond length is 1.39 Å. In the thirty-ninth C site, C(39,83) is bonded in a distorted single-bond geometry to one C(38,82); one C(40,84); and one H(17,37) atom. The C(39,83)-C(40,84) bond length is 1.40 Å. The C(39,83)-H(17,37) bond length is 0.95 Å. In the fortieth C site, C(40,84) is bonded in a distorted trigonal planar geometry to one C(39,83); one C(41); and one H(18,38) atom. The C(40,84)-C(41) bond length is 1.40 Å. The C(40,84)-H(18,38) bond length is 0.95 Å. In the forty-first C site, C(41) is bonded in a trigonal planar geometry to one C(40,84); one C(42,86); and one C(44) atom. The C(41)-C(42,86) bond length is 1.41 Å. The C(41)-C(44) bond length is 1.49 Å. In the forty-second C site, C(42,86) is bonded in a distorted single-bond geometry to one C(41); one C(43,87); and one H(19,39) atom. The C(42,86)-C(43,87) bond length is 1.38 Å. The C(42,86)-H(19,39) bond length is 0.95 Å. In the forty-third C site, C(43,87) is bonded in a distorted trigonal planar geometry to one C(38,82); one C(42,86); and one H(20,40) atom. The C(43,87)-H(20,40) bond length is 0.95 Å. In the forty-fourth C site, C(44) is bonded in a distorted bent 120 degrees geometry to one C(41), one O(15), and one O(16) atom. The C(44)-O(15) bond length is 1.26 Å. The C(44)-O(16) bond length is 1.25 Å. In the forty-fifth C site, C(45) is bonded in a trigonal planar geometry to one C(46); one C(51); and one C(6,50) atom. The C(45)-C(46) bond length is 1.41 Å. The C(45)-C(51) bond length is 1.50 Å. The C(45)-C(6,50) bond length is 1.39 Å. In the forty-sixth C site, C(46) is bonded in a trigonal planar geometry to one C(3,47); one C(45); and one C(52) atom. The C(46)-C(3,47) bond length is 1.40 Å. The C(46)-C(52) bond length is 1.47 Å. In the forty-seventh C site, C(51) is bonded in a distorted bent 120 degrees geometry to one C(45), one O(17), and one O(18) atom. The C(51)-O(17) bond length is 1.25 Å. The C(51)-O(18) bond length is 1.27 Å. In the forty-eighth C site, C(52) is bonded in a bent 120 degrees geometry to one C(46), one O(19), and one O(20) atom. The C(52)-O(19) bond length is 1.31 Å. The C(52)-O(20) bond length is 1.24 Å. In the forty-ninth C site, C(67) is bonded in a trigonal planar geometry to one C(24,68); one C(28,72); and one C(73) atom. The C(67)-C(24,68) bond length is 1.38 Å. The C(67)-C(28,72) bond length is 1.42 Å. The C(67)-C(73) bond length is 1.48 Å. In the fiftieth C site, C(73) is bonded in a distorted bent 120 degrees geometry to one C(67), one O(25), and one O(26) atom. The C(73)-O(25) bond length is 1.25 Å. The C(73)-O(26) bond length is 1.26 Å. In the fifty-first C site, C(85) is bonded in a trigonal planar geometry to one C(40,84); one C(42,86); and one C(88) atom. The C(85)-C(40,84) bond length is 1.40 Å. The C(85)-C(42,86) bond length is 1.41 Å. The C(85)-C(88) bond length is 1.49 Å. In the fifty-second C site, C(88) is bonded in a distorted bent 120 degrees geometry to one C(85), one O(31), and one O(32) atom. The C(88)-O(31) bond length is 1.26 Å. The C(88)-O(32) bond length is 1.25 Å. There are twenty inequivalent H sites. In the first H site, H(1,21) is bonded in a single-bond geometry to one C(3,47) atom. In the second H site, H(2,22) is bonded in a single-bond geometry to one C(6,50) atom. In the third H site, H(3,23) is bonded in a single-bond geometry to one C(10,54) atom. In the fourth H site, H(4,24) is bonded in a single-bond geometry to one C(11,55) atom. In the fifth H site, H(5,25) is bonded in a single-bond geometry to one C(13,57) atom. In the sixth H site, H(6,26) is bonded in a single-bond geometry to one C(14,58) atom. In the seventh H site, H(7,27) is bonded in a single-bond geometry to one C(17,61) atom. In the eighth H site, H(8,28) is bonded in a single-bond geometry to one C(18,62) atom. In the ninth H site, H(9,29) is bonded in a single-bond geometry to one C(20,64) atom. In the tenth H site, H(10,30) is bonded in a single-bond geometry to one C(21,65) atom. In the eleventh H site, H(11,31) is bonded in a single-bond geometry to one C(25,69) atom. In the twelfth H site, H(12,32) is bonded in a single-bond geometry to one C(28,72) atom. In the thirteenth H site, H(13,33) is bonded in a single-bond geometry to one C(32,76) atom. In the fourteenth H site, H(14,34) is bonded in a single-bond geometry to one C(33,77) atom. In the fifteenth H site, H(15,35) is bonded in a single-bond geometry to one C(35,79) atom. In the sixteenth H site, H(16,36) is bonded in a single-bond geometry to one C(36,80) atom. In the seventeenth H site, H(17,37) is bonded in a single-bond geometry to one C(39,83) atom. In the eighteenth H site, H(18,38) is bonded in a single-bond geometry to one C(40,84) atom. In the nineteenth H site, H(19,39) is bonded in a single-bond geometry to one C(42,86) atom. In the twentieth H site, H(20,40) is bonded in a single-bond geometry to one C(43,87) atom. There are twenty-five inequivalent O sites. In the first O site, O(7,23) is bonded in a distorted bent 150 degrees geometry to one Co(2,3) and one C(22,66) atom. In the second O site, O(12,28) is bonded in a distorted bent 120 degrees geometry to one Co(2,3) and one C(30,74) atom. In the third O site, O(13,29) is bonded in a bent 120 degrees geometry to one Zn(2,5) and one C(37,81) atom. In the fourth O site, O(14,30) is bonded in a distorted bent 120 degrees geometry to one Co(2,3) and one C(37,81) atom. In the fifth O site, O(15) is bonded in a bent 120 degrees geometry to one Zn(4) and one C(44) atom. In the sixth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one C(44) atom. In the seventh O site, O(17) is bonded in a distorted single-bond geometry to one Zn(3) and one C(51) atom. In the eighth O site, O(18) is bonded in a water-like geometry to one Zn(2,5) and one C(51) atom. The O(18)-Zn(2,5) bond length is 2.00 Å. In the ninth O site, O(19) is bonded in a trigonal non-coplanar geometry to one Zn(3), one Zn(4), and one C(52) atom. In the tenth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(29) atom. In the eleventh O site, O(20) is bonded in a single-bond geometry to one C(52) atom. In the twelfth O site, O(21) is bonded in a water-like geometry to one Zn(1) and one C(15,59) atom. The O(21)-C(15,59) bond length is 1.24 Å. In the thirteenth O site, O(25) is bonded in a bent 120 degrees geometry to one Zn(4) and one C(73) atom. In the fourteenth O site, O(26) is bonded in a single-bond geometry to one Zn(3) and one C(73) atom. In the fifteenth O site, O(31) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(88) atom. In the sixteenth O site, O(32) is bonded in a distorted single-bond geometry to one Co(1) and one C(88) atom. In the seventeenth O site, O(10) is bonded in a single-bond geometry to one Co(1) and one C(29) atom. In the eighteenth O site, O(8,24) is bonded in a bent 120 degrees geometry to one Zn(2,5) and one C(22,66) atom. In the nineteenth O site, O(1) is bonded in a single-bond geometry to one Co(1) and one C(7) atom. In the twentieth O site, O(2) is bonded in a water-like geometry to one Zn(2,5) and one C(7) atom. In the twenty-first O site, O(3) is bonded in a trigonal non-coplanar geometry to one Co(1), one Zn(1), and one C(8) atom. In the twenty-second O site, O(11,27) is bonded in a bent 120 degrees geometry to one Zn(2,5) and one C(30,74) atom. In the twenty-third O site, O(4) is bonded in a single-bond geometry to one C(8) atom. In the twenty-fourth O site, O(5) is bonded in a water-like geometry to one Zn(4) and one C(15,59) atom. In the twenty-fifth O site, O(6,22) is bonded in a single-bond geometry to one C(15,59) atom. Linkers: 16 [O]C(=O)c1ccc(-c2cc(C([O])=O)c(C([O])=O)cc2-c2ccc(C([O])=O)cc2)cc1. Metal clusters: 4 O=[C]O[Zn]1(O[C]=O)O[C]O[Co](O[C]O[Zn]23O[C]O[Co](O[C]O2)O[C]O3)O[C]O1 ,4 O=[C]O[Zn]1(O[C]=O)O[C]O[Zn](O[C]O[Zn]23O[C]O[Co](O[C]O2)O[C]O3)O[C]O1. RCSR code: rtl. The MOF has largest included sphere 9.64 A, density 0.65 g/cm3, surface area 3981.76 m2/g, accessible volume 1.07 cm3/g