Tm12C139H58O86 crystallizes in the monoclinic C2/m space group. There are four inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(14), one O(2), one O(5), one O(6), and one O(8) atom. The Tm(1)-O(1) bond length is 2.24 Å. The Tm(1)-O(11) bond length is 2.36 Å. The Tm(1)-O(14) bond length is 2.40 Å. The Tm(1)-O(2) bond length is 2.46 Å. The Tm(1)-O(5) bond length is 2.41 Å. The Tm(1)-O(6) bond length is 2.27 Å. The Tm(1)-O(8) bond length is 2.28 Å. In the second Tm site, Tm(2) is bonded in a 7-coordinate geometry to one O(10), one O(15), one O(16), one O(3), one O(4), one O(7), and one O(9) atom. The Tm(2)-O(10) bond length is 2.34 Å. The Tm(2)-O(15) bond length is 2.22 Å. The Tm(2)-O(16) bond length is 2.28 Å. The Tm(2)-O(3) bond length is 2.41 Å. The Tm(2)-O(4) bond length is 2.47 Å. The Tm(2)-O(7) bond length is 2.44 Å. The Tm(2)-O(9) bond length is 2.26 Å. In the third Tm site, Tm(3) is bonded in a 8-coordinate geometry to one O(21), one O(22), two equivalent O(12), two equivalent O(13), and two equivalent O(19) atoms. The Tm(3)-O(21) bond length is 2.30 Å. The Tm(3)-O(22) bond length is 2.27 Å. Both Tm(3)-O(12) bond lengths are 2.36 Å. Both Tm(3)-O(13) bond lengths are 2.43 Å. Both Tm(3)-O(19) bond lengths are 2.25 Å. In the fourth Tm site, Tm(4) is bonded in a distorted pentagonal bipyramidal geometry to one O(23), two equivalent O(17), two equivalent O(18), and two equivalent O(20) atoms. The Tm(4)-O(23) bond length is 2.27 Å. Both Tm(4)-O(17) bond lengths are 2.42 Å. Both Tm(4)-O(18) bond lengths are 2.25 Å. Both Tm(4)-O(20) bond lengths are 2.36 Å. There are thirty-six inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(11), and one O(2) atom. The C(1)-C(15) bond length is 1.50 Å. The C(1)-O(11) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a bent 120 degrees geometry to one C(9), one O(1), and one O(9) atom. The C(2)-C(9) bond length is 1.50 Å. The C(2)-O(1) bond length is 1.25 Å. The C(2)-O(9) bond length is 1.25 Å. In the third C site, C(3) is bonded in a bent 120 degrees geometry to one C(10), one O(14), and one O(5) atom. The C(3)-C(10) bond length is 1.50 Å. The C(3)-O(14) bond length is 1.28 Å. The C(3)-O(5) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(10), one C(16), and one H(1) atom. The C(4)-C(10) bond length is 1.38 Å. The C(4)-C(16) bond length is 1.41 Å. The C(4)-H(1) bond length is 1.04 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(22), one O(12), and one O(13) atom. The C(5)-C(22) bond length is 1.50 Å. The C(5)-O(12) bond length is 1.26 Å. The C(5)-O(13) bond length is 1.23 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(34), one O(3), and one O(7) atom. The C(6)-C(34) bond length is 1.51 Å. The C(6)-O(3) bond length is 1.24 Å. The C(6)-O(7) bond length is 1.28 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(13), one C(22), and one H(2) atom. The C(7)-C(13) bond length is 1.39 Å. The C(7)-C(22) bond length is 1.40 Å. The C(7)-H(2) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(21), one C(9), and one H(3) atom. The C(8)-C(21) bond length is 1.40 Å. The C(8)-C(9) bond length is 1.39 Å. The C(8)-H(3) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(2), one C(25), and one C(8) atom. The C(9)-C(25) bond length is 1.40 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(28), one C(3), and one C(4) atom. The C(10)-C(28) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a bent 120 degrees geometry to one C(29), one O(17), and one O(20) atom. The C(11)-C(29) bond length is 1.48 Å. The C(11)-O(17) bond length is 1.27 Å. The C(11)-O(20) bond length is 1.24 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(22), one C(34), and one H(4) atom. The C(12)-C(22) bond length is 1.39 Å. The C(12)-C(34) bond length is 1.38 Å. The C(12)-H(4) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(21), one C(24), and one C(7) atom. The C(13)-C(21) bond length is 1.48 Å. The C(13)-C(24) bond length is 1.41 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(15), one C(21), and one H(5) atom. The C(14)-C(15) bond length is 1.39 Å. The C(14)-C(21) bond length is 1.40 Å. The C(14)-H(5) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(1), one C(14), and one C(25) atom. The C(15)-C(25) bond length is 1.39 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(17), one C(30), and one C(4) atom. The C(16)-C(17) bond length is 1.48 Å. The C(16)-C(30) bond length is 1.39 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(20), and one C(27) atom. The C(17)-C(20) bond length is 1.40 Å. The C(17)-C(27) bond length is 1.39 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(10), and one O(4) atom. The C(18)-C(23) bond length is 1.48 Å. The C(18)-O(10) bond length is 1.27 Å. The C(18)-O(4) bond length is 1.25 Å. In the nineteenth C site, C(19) is bonded in a single-bond geometry to one C(23), one C(26), and one H(6) atom. The C(19)-C(23) bond length is 1.39 Å. The C(19)-C(26) bond length is 1.41 Å. The C(19)-H(6) bond length is 0.93 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(17), one C(26), and one H(7) atom. The C(20)-C(26) bond length is 1.38 Å. The C(20)-H(7) bond length is 0.93 Å. In the twenty-first C site, C(21) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(8) atom. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(12), one C(5), and one C(7) atom. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(18), one C(19), and one C(27) atom. The C(23)-C(27) bond length is 1.38 Å. In the twenty-fourth C site, C(24) is bonded in a single-bond geometry to one C(13), one C(34), and one H(8) atom. The C(24)-C(34) bond length is 1.36 Å. The C(24)-H(8) bond length is 0.93 Å. In the twenty-fifth C site, C(25) is bonded in a single-bond geometry to one C(15), one C(9), and one H(9) atom. The C(25)-H(9) bond length is 0.93 Å. In the twenty-sixth C site, C(26) is bonded in a trigonal planar geometry to one C(19), one C(20), and one C(31) atom. The C(26)-C(31) bond length is 1.51 Å. In the twenty-seventh C site, C(27) is bonded in a distorted single-bond geometry to one C(17), one C(23), and one H(10) atom. The C(27)-H(10) bond length is 0.93 Å. In the twenty-eighth C site, C(28) is bonded in a distorted single-bond geometry to one C(10), one C(29), and one H(11) atom. The C(28)-C(29) bond length is 1.38 Å. The C(28)-H(11) bond length is 0.93 Å. In the twenty-ninth C site, C(29) is bonded in a trigonal planar geometry to one C(11), one C(28), and one C(30) atom. The C(29)-C(30) bond length is 1.40 Å. In the thirtieth C site, C(30) is bonded in a distorted single-bond geometry to one C(16), one C(29), and one H(12) atom. The C(30)-H(12) bond length is 0.93 Å. In the thirty-first C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(26), one O(15), and one O(8) atom. The C(31)-O(15) bond length is 1.24 Å. The C(31)-O(8) bond length is 1.25 Å. In the thirty-second C site, C(32) is bonded in a trigonal planar geometry to one H(13), one O(19), and one O(6) atom. The C(32)-H(13) bond length is 0.93 Å. The C(32)-O(19) bond length is 1.16 Å. The C(32)-O(6) bond length is 1.24 Å. In the thirty-third C site, C(33) is bonded in a trigonal planar geometry to one H(14), one O(16), and one O(18) atom. The C(33)-H(14) bond length is 0.93 Å. The C(33)-O(16) bond length is 1.23 Å. The C(33)-O(18) bond length is 1.21 Å. In the thirty-fourth C site, C(34) is bonded in a trigonal planar geometry to one C(12), one C(24), and one C(6) atom. In the thirty-fifth C site, C(35) is bonded in a linear geometry to two equivalent O(21) atoms. Both C(35)-O(21) bond lengths are 1.10 Å. In the thirty-sixth C site, C(36) is bonded in a trigonal planar geometry to one H(15), one O(22), and one O(23) atom. The C(36)-H(15) bond length is 0.93 Å. The C(36)-O(22) bond length is 1.18 Å. The C(36)-O(23) bond length is 1.19 Å. There are fifteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) 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(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(19) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(20) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(24) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(25) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(27) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(28) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(30) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(32) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(33) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(36) atom. There are twenty-three inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Tm(1) and one C(2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Tm(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Tm(2) and one C(6) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Tm(2) and one C(18) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Tm(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Tm(1) and one C(32) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Tm(2) and one C(6) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Tm(1) and one C(31) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Tm(2) and one C(2) atom. In the tenth O site, O(10) is bonded in an L-shaped geometry to one Tm(2) and one C(18) atom. In the eleventh O site, O(11) is bonded in an L-shaped geometry to one Tm(1) and one C(1) atom. In the twelfth O site, O(12) is bonded in an L-shaped geometry to one Tm(3) and one C(5) atom. In the thirteenth O site, O(13) is bonded in a distorted L-shaped geometry to one Tm(3) and one C(5) atom. In the fourteenth O site, O(14) is bonded in a distorted L-shaped geometry to one Tm(1) and one C(3) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Tm(2) and one C(31) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Tm(2) and one C(33) atom. In the seventeenth O site, O(17) is bonded in a distorted L-shaped geometry to one Tm(4) and one C(11) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Tm(4) and one C(33) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one Tm(3) and one C(32) atom. In the twentieth O site, O(20) is bonded in a distorted L-shaped geometry to one Tm(4) and one C(11) atom. In the twenty-first O site, O(21) is bonded in a linear geometry to one Tm(3) and one C(35) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Tm(3) and one C(36) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Tm(4) and one C(36) atom. Linkers: 16 [O]C(=O)c1cc(C([O])=O)cc(-c2cc(C([O])=O)cc(C([O])=O)c2)c1. Metal clusters: 24 [Tm]. The MOF has largest included sphere 8.50 A, density 1.36 g/cm3, surface area 2881.24 m2/g, accessible volume 0.37 cm3/g