Sm6CoC20H36S6(N4O27)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(13), one O(15), one O(17), one O(18), one O(20), one O(25), and one O(26) atom. The Sm(1)-O(10) bond length is 2.51 Å. The Sm(1)-O(11) bond length is 2.32 Å. The Sm(1)-O(13) bond length is 2.32 Å. The Sm(1)-O(15) bond length is 2.44 Å. The Sm(1)-O(17) bond length is 2.46 Å. The Sm(1)-O(18) bond length is 2.67 Å. The Sm(1)-O(20) bond length is 2.45 Å. The Sm(1)-O(25) bond length is 2.61 Å. The Sm(1)-O(26) bond length is 2.43 Å. In the second Sm site, Sm(2) is bonded in a 9-coordinate geometry to one O(10), one O(15), one O(16), one O(19), one O(23), one O(24), one O(3), one O(6), and one O(9) atom. The Sm(2)-O(10) bond length is 2.50 Å. The Sm(2)-O(15) bond length is 2.64 Å. The Sm(2)-O(16) bond length is 2.60 Å. The Sm(2)-O(19) bond length is 2.44 Å. The Sm(2)-O(23) bond length is 2.49 Å. The Sm(2)-O(24) bond length is 2.45 Å. The Sm(2)-O(3) bond length is 2.39 Å. The Sm(2)-O(6) bond length is 2.37 Å. The Sm(2)-O(9) bond length is 2.58 Å. In the third Sm site, Sm(3) is bonded in a 9-coordinate geometry to one N(1), one O(1), one O(2), one O(21), one O(22), one O(4), one O(5), one O(8), and one O(9) atom. The Sm(3)-N(1) bond length is 2.55 Å. The Sm(3)-O(1) bond length is 2.52 Å. The Sm(3)-O(2) bond length is 2.38 Å. The Sm(3)-O(21) bond length is 2.52 Å. The Sm(3)-O(22) bond length is 2.42 Å. The Sm(3)-O(4) bond length is 2.71 Å. The Sm(3)-O(5) bond length is 2.35 Å. The Sm(3)-O(8) bond length is 2.34 Å. The Sm(3)-O(9) bond length is 2.58 Å. Co(1) is bonded in an octahedral geometry to two equivalent N(3), two equivalent O(14), and two equivalent O(27) atoms. Both Co(1)-N(3) bond lengths are 1.94 Å. Both Co(1)-O(14) bond lengths are 1.92 Å. Both Co(1)-O(27) bond lengths are 2.27 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(10), and one O(9) atom. The C(1)-C(2) bond length is 1.47 Å. The C(1)-O(10) bond length is 1.28 Å. The C(1)-O(9) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one N(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-N(1) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(2) atom. The C(3)-C(4) bond length is 1.47 Å. The C(3)-N(2) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(11), and one O(12) atom. The C(4)-O(11) bond length is 1.27 Å. The C(4)-O(12) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(5)-N(1) bond length is 1.33 Å. The C(5)-N(2) bond length is 1.35 Å. The C(5)-H(1) bond length is 1.08 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(13), and one O(14) atom. The C(6)-C(7) bond length is 1.46 Å. The C(6)-O(13) bond length is 1.25 Å. The C(6)-O(14) bond length is 1.30 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6), one C(8), and one N(3) atom. The C(7)-C(8) bond length is 1.39 Å. The C(7)-N(3) bond length is 1.38 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one N(4) atom. The C(8)-C(9) bond length is 1.48 Å. The C(8)-N(4) bond length is 1.38 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(8), one O(15), and one O(16) atom. The C(9)-O(15) bond length is 1.28 Å. The C(9)-O(16) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(2) atom. The C(10)-N(3) bond length is 1.34 Å. The C(10)-N(4) bond length is 1.35 Å. The C(10)-H(2) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted water-like geometry to one Sm(3), one C(2), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(3), one C(5), and one H(3) atom. The N(2)-H(3) bond length is 1.04 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Co(1), one C(10), and one C(7) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(10), one C(8), and one H(4) atom. The N(4)-H(4) bond length is 1.04 Å. 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(10) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(21) atom. The H(5)-O(21) bond length is 0.99 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(21) atom. The H(6)-O(21) bond length is 0.98 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(22) atom. The H(7)-O(22) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(22) atom. The H(8)-O(22) bond length is 0.97 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(23) atom. The H(9)-O(23) bond length is 1.00 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(1) and one O(23) atom. The H(10)-O(1) bond length is 1.69 Å. The H(10)-O(23) bond length is 1.00 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(24) atom. The H(11)-O(24) bond length is 0.99 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(24) atom. The H(12)-O(24) bond length is 0.98 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(25) atom. The H(13)-O(25) bond length is 0.98 Å. In the fourteenth H site, H(14) is bonded in a distorted linear geometry to one O(25) and one O(27) atom. The H(14)-O(25) bond length is 1.01 Å. The H(14)-O(27) bond length is 1.63 Å. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(26) atom. The H(15)-O(26) bond length is 0.99 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(26) atom. The H(16)-O(26) bond length is 0.99 Å. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one O(27) atom. The H(17)-O(27) bond length is 1.00 Å. In the eighteenth H site, H(18) is bonded in a distorted single-bond geometry to one O(12) and one O(27) atom. The H(18)-O(12) bond length is 1.65 Å. The H(18)-O(27) bond length is 1.00 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The S(1)-O(1) bond length is 1.52 Å. The S(1)-O(2) bond length is 1.47 Å. The S(1)-O(3) bond length is 1.48 Å. The S(1)-O(4) bond length is 1.49 Å. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. The S(2)-O(5) bond length is 1.49 Å. The S(2)-O(6) bond length is 1.51 Å. The S(2)-O(7) bond length is 1.46 Å. The S(2)-O(8) bond length is 1.49 Å. In the third S site, S(3) is bonded in a tetrahedral geometry to one O(17), one O(18), one O(19), and one O(20) atom. The S(3)-O(17) bond length is 1.49 Å. The S(3)-O(18) bond length is 1.49 Å. The S(3)-O(19) bond length is 1.50 Å. The S(3)-O(20) bond length is 1.48 Å. There are twenty-seven inequivalent O sites. In the first O site, O(27) is bonded in a distorted water-like geometry to one Co(1), one H(14), one H(17), and one H(18) atom. In the second O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Sm(3), one H(10), and one S(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Sm(3) and one S(1) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Sm(2) and one S(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one Sm(3) and one S(1) atom. In the sixth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Sm(3) and one S(2) atom. In the seventh O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sm(2) and one S(2) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one S(2) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Sm(3) and one S(2) atom. In the tenth O site, O(9) is bonded in a distorted single-bond geometry to one Sm(2), one Sm(3), and one C(1) atom. In the eleventh O site, O(10) is bonded in a distorted single-bond geometry to one Sm(1), one Sm(2), and one C(1) atom. In the twelfth O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(4) atom. In the thirteenth O site, O(12) is bonded in a 2-coordinate geometry to one C(4) and one H(18) atom. In the fourteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Sm(1) and one C(6) atom. In the fifteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(6) atom. In the sixteenth O site, O(15) is bonded in a distorted single-bond geometry to one Sm(1), one Sm(2), and one C(9) atom. In the seventeenth O site, O(16) is bonded in a distorted single-bond geometry to one Sm(2) and one C(9) atom. In the eighteenth O site, O(17) is bonded in a distorted water-like geometry to one Sm(1) and one S(3) atom. In the nineteenth O site, O(18) is bonded in a single-bond geometry to one Sm(1) and one S(3) atom. In the twentieth O site, O(19) is bonded in a 1-coordinate geometry to one Sm(2) and one S(3) atom. In the twenty-first O site, O(20) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one S(3) atom. In the twenty-second O site, O(21) is bonded in a water-like geometry to one Sm(3), one H(5), and one H(6) atom. In the twenty-third O site, O(22) is bonded in a water-like geometry to one Sm(3), one H(7), and one H(8) atom. In the twenty-fourth O site, O(23) is bonded in a water-like geometry to one Sm(2), one H(10), and one H(9) atom. In the twenty-fifth O site, O(24) is bonded in a water-like geometry to one Sm(2), one H(11), and one H(12) atom. In the twenty-sixth O site, O(25) is bonded in a water-like geometry to one Sm(1), one H(13), and one H(14) atom. In the twenty-seventh O site, O(26) is bonded in a water-like geometry to one Sm(1), one H(15), and one H(16) atom. Linkers: 4 [O]C(=O)c1nc[nH]c1C([O])=O. Metal clusters: 6 [Sm] ,1 [Co]. The MOF has largest included sphere 1.75 A, density 3.05 g/cm3, surface area 1964.26 m2/g, accessible volume 0.04 cm3/g