ScH6(C2O)6 crystallizes in the triclinic P1 space group. There are three inequivalent Sc sites. In the first Sc site, Sc(1,2) is bonded in an octahedral geometry to one O(1,7); one O(4,10); two equivalent O(2,5,8,11); and two equivalent O(3,6,9,12) atoms. The Sc(1,2)-O(1,7) bond length is 2.06 Å. The Sc(1,2)-O(4,10) bond length is 2.06 Å. Both Sc(1,2)-O(2,5,8,11) bond lengths are 2.11 Å. Both Sc(1,2)-O(3,6,9,12) bond lengths are 2.06 Å. In the second Sc site, Sc(3) is bonded in an octahedral geometry to one O(13), one O(14), one O(16), one O(17), one O(21), and one O(24) atom. The Sc(3)-O(13) bond length is 2.06 Å. The Sc(3)-O(14) bond length is 2.11 Å. The Sc(3)-O(16) bond length is 2.06 Å. The Sc(3)-O(17) bond length is 2.11 Å. The Sc(3)-O(21) bond length is 2.06 Å. The Sc(3)-O(24) bond length is 2.06 Å. In the third Sc site, Sc(4) is bonded in an octahedral geometry to one O(15); one O(18); two equivalent O(19,22); and two equivalent O(20,23) atoms. The Sc(4)-O(15) bond length is 2.06 Å. The Sc(4)-O(18) bond length is 2.06 Å. Both Sc(4)-O(19,22) bond lengths are 2.06 Å. Both Sc(4)-O(20,23) bond lengths are 2.11 Å. There are forty-three inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(16), one C(42), and one H(1) atom. The C(1)-C(16) bond length is 1.43 Å. The C(1)-C(42) bond length is 1.39 Å. The C(1)-H(1) bond length is 1.14 Å. In the second C site, C(2) is bonded in a bent 120 degrees geometry to one C(3); one O(2,5,8,11); and one O(3,6,9,12) atom. The C(2)-C(3) bond length is 1.55 Å. The C(2)-O(2,5,8,11) bond length is 1.22 Å. The C(2)-O(3,6,9,12) bond length is 1.27 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(5) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-C(5) bond length is 1.37 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(25); one C(3); and one H(2,5,17) atom. The C(4)-C(25) bond length is 1.41 Å. The C(4)-H(2,5,17) bond length is 1.14 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(24); one C(3); and one H(3,9,12) atom. The C(5)-C(24) bond length is 1.41 Å. The C(5)-H(3,9,12) bond length is 1.14 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(11), one C(44), and one H(4) atom. The C(6)-C(11) bond length is 1.43 Å. The C(6)-C(44) bond length is 1.39 Å. The C(6)-H(4) bond length is 1.14 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(8); one O(2,5,8,11); and one O(3,6,9,12) atom. The C(7)-C(8) bond length is 1.55 Å. The C(7)-O(2,5,8,11) bond length is 1.22 Å. The C(7)-O(3,6,9,12) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(7), and one C(9) atom. The C(8)-C(10) bond length is 1.37 Å. The C(8)-C(9) bond length is 1.41 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(30); one C(8); and one H(2,5,17) atom. The C(9)-C(30) bond length is 1.41 Å. The C(9)-H(2,5,17) bond length is 1.14 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(29); one C(8); and one H(6,15) atom. The C(10)-C(29) bond length is 1.41 Å. The C(10)-H(6,15) bond length is 1.14 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(42), one C(6), and one H(7) atom. The C(11)-C(42) bond length is 1.39 Å. The C(11)-H(7) bond length is 1.14 Å. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to one C(13,18); one O(2,5,8,11); and one O(3,6,9,12) atom. The C(12)-C(13,18) bond length is 1.55 Å. The C(12)-O(2,5,8,11) bond length is 1.22 Å. The C(12)-O(3,6,9,12) bond length is 1.27 Å. In the thirteenth C site, C(13,18) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(15) atom. The C(13,18)-C(14) bond length is 1.41 Å. The C(13,18)-C(15) bond length is 1.37 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13,18); one C(35,40); and one H(8,11) atom. The C(14)-C(35,40) bond length is 1.41 Å. The C(14)-H(8,11) bond length is 1.14 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(13,18); one C(34,39); and one H(3,9,12) atom. The C(15)-C(34,39) bond length is 1.41 Å. The C(15)-H(3,9,12) bond length is 1.14 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(1), one C(44), and one H(10) atom. The C(16)-C(44) bond length is 1.39 Å. The C(16)-H(10) bond length is 1.14 Å. In the seventeenth C site, C(17) is bonded in a bent 120 degrees geometry to one C(13,18); one O(2,5,8,11); and one O(3,6,9,12) atom. The C(17)-C(13,18) bond length is 1.55 Å. The C(17)-O(2,5,8,11) bond length is 1.22 Å. The C(17)-O(3,6,9,12) bond length is 1.27 Å. In the eighteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(13,18); one C(35,40); and one H(8,11) atom. The C(19)-C(13,18) bond length is 1.41 Å. The C(19)-C(35,40) bond length is 1.41 Å. The C(19)-H(8,11) bond length is 1.14 Å. In the nineteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(13,18); one C(34,39); and one H(3,9,12) atom. The C(20)-C(13,18) bond length is 1.37 Å. The C(20)-C(34,39) bond length is 1.41 Å. The C(20)-H(3,9,12) bond length is 1.14 Å. In the twentieth C site, C(21,31) is bonded in a distorted single-bond geometry to one C(36), one C(46), and one H(13) atom. The C(21,31)-C(36) bond length is 1.43 Å. The C(21,31)-C(46) bond length is 1.39 Å. The C(21,31)-H(13) bond length is 1.14 Å. In the twenty-first C site, C(22) is bonded in a bent 120 degrees geometry to one C(23), one O(14), and one O(15) atom. The C(22)-C(23) bond length is 1.55 Å. The C(22)-O(14) bond length is 1.22 Å. The C(22)-O(15) bond length is 1.27 Å. In the twenty-second C site, C(23) is bonded in a trigonal planar geometry to one C(22), one C(24), and one C(25) atom. The C(23)-C(24) bond length is 1.41 Å. The C(23)-C(25) bond length is 1.37 Å. In the twenty-third C site, C(24) is bonded in a distorted single-bond geometry to one C(23); one C(5); and one H(14,20) atom. The C(24)-H(14,20) bond length is 1.14 Å. In the twenty-fourth C site, C(25) is bonded in a distorted single-bond geometry to one C(23); one C(4); and one H(6,15) atom. The C(25)-H(6,15) bond length is 1.14 Å. In the twenty-fifth C site, C(26) is bonded in a distorted single-bond geometry to one C(21,31); one C(48); and one H(16,19,22) atom. The C(26)-C(21,31) bond length is 1.43 Å. The C(26)-C(48) bond length is 1.39 Å. The C(26)-H(16,19,22) bond length is 1.14 Å. In the twenty-sixth C site, C(27) is bonded in a bent 120 degrees geometry to one C(28), one O(17), and one O(18) atom. The C(27)-C(28) bond length is 1.55 Å. The C(27)-O(17) bond length is 1.22 Å. The C(27)-O(18) bond length is 1.27 Å. In the twenty-seventh C site, C(28) is bonded in a trigonal planar geometry to one C(27), one C(29), and one C(30) atom. The C(28)-C(29) bond length is 1.41 Å. The C(28)-C(30) bond length is 1.37 Å. In the twenty-eighth C site, C(29) is bonded in a distorted single-bond geometry to one C(10); one C(28); and one H(2,5,17) atom. The C(29)-H(2,5,17) bond length is 1.14 Å. In the twenty-ninth C site, C(30) is bonded in a distorted single-bond geometry to one C(28), one C(9), and one H(18) atom. The C(30)-H(18) bond length is 1.14 Å. In the thirtieth C site, C(32,37) is bonded in a bent 120 degrees geometry to one C(33); one O(20,23); and one O(21) atom. The C(32,37)-C(33) bond length is 1.55 Å. The C(32,37)-O(20,23) bond length is 1.22 Å. The C(32,37)-O(21) bond length is 1.27 Å. In the thirty-first C site, C(33) is bonded in a trigonal planar geometry to one C(32,37); one C(34,39); and one C(35,40) atom. The C(33)-C(34,39) bond length is 1.41 Å. The C(33)-C(35,40) bond length is 1.37 Å. In the thirty-second C site, C(34,39) is bonded in a distorted single-bond geometry to one C(15); one C(33); and one H(14,20) atom. The C(34,39)-H(14,20) bond length is 1.14 Å. In the thirty-third C site, C(35,40) is bonded in a distorted single-bond geometry to one C(14); one C(33); and one H(21,24) atom. The C(35,40)-H(21,24) bond length is 1.14 Å. In the thirty-fourth C site, C(36) is bonded in a distorted single-bond geometry to one C(21,31); one C(48); and one H(16,19,22) atom. The C(36)-C(48) bond length is 1.39 Å. The C(36)-H(16,19,22) bond length is 1.14 Å. In the thirty-fifth C site, C(38) is bonded in a trigonal planar geometry to one C(32,37); one C(34,39); and one C(35,40) atom. The C(38)-C(32,37) bond length is 1.55 Å. The C(38)-C(34,39) bond length is 1.41 Å. The C(38)-C(35,40) bond length is 1.37 Å. In the thirty-sixth C site, C(41) is bonded in a distorted bent 120 degrees geometry to one C(42) and two equivalent O(1,7) atoms. The C(41)-C(42) bond length is 1.54 Å. Both C(41)-O(1,7) bond lengths are 1.25 Å. In the thirty-seventh C site, C(42) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(41) atom. In the thirty-eighth C site, C(43) is bonded in a distorted bent 120 degrees geometry to one C(44) and two equivalent O(4,10) atoms. The C(43)-C(44) bond length is 1.54 Å. Both C(43)-O(4,10) bond lengths are 1.25 Å. In the thirty-ninth C site, C(44) is bonded in a trigonal planar geometry to one C(16), one C(43), and one C(6) atom. In the fortieth C site, C(45) is bonded in a distorted bent 120 degrees geometry to one C(46); one O(13); and one O(19,22) atom. The C(45)-C(46) bond length is 1.54 Å. The C(45)-O(13) bond length is 1.25 Å. The C(45)-O(19,22) bond length is 1.25 Å. In the forty-first C site, C(46) is bonded in a trigonal planar geometry to one C(45) and two equivalent C(21,31) atoms. In the forty-second C site, C(47) is bonded in a distorted bent 120 degrees geometry to one C(48); one O(16); and one O(19,22) atom. The C(47)-C(48) bond length is 1.54 Å. The C(47)-O(16) bond length is 1.25 Å. The C(47)-O(19,22) bond length is 1.25 Å. In the forty-third C site, C(48) is bonded in a trigonal planar geometry to one C(26), one C(36), and one C(47) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2,5,17) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3,9,12) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(6,15) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(8,11) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(21,31) atom. In the tenth H site, H(14,20) is bonded in a single-bond geometry to one C(24) atom. In the eleventh H site, H(16,19,22) is bonded in a single-bond geometry to one C(26) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one C(30) atom. In the thirteenth H site, H(21,24) is bonded in a single-bond geometry to one C(35,40) atom. In the fourteenth H site, H(23) is bonded in a single-bond geometry to one C(34,39) atom. The H(23)-C(34,39) bond length is 1.14 Å. There are fourteen inequivalent O sites. In the first O site, O(1,7) is bonded in a bent 150 degrees geometry to one Sc(1,2) and one C(41) atom. In the second O site, O(2,5,8,11) is bonded in a distorted bent 150 degrees geometry to one Sc(1,2) and one C(2) atom. In the third O site, O(3,6,9,12) is bonded in a linear geometry to one Sc(1,2) and one C(2) atom. In the fourth O site, O(4,10) is bonded in a bent 150 degrees geometry to one Sc(1,2) and one C(43) atom. In the fifth O site, O(13) is bonded in a bent 150 degrees geometry to one Sc(3) and one C(45) atom. In the sixth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Sc(3) and one C(22) atom. In the seventh O site, O(15) is bonded in a linear geometry to one Sc(4) and one C(22) atom. In the eighth O site, O(16) is bonded in a bent 150 degrees geometry to one Sc(3) and one C(47) atom. In the ninth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Sc(3) and one C(27) atom. In the tenth O site, O(18) is bonded in a linear geometry to one Sc(4) and one C(27) atom. In the eleventh O site, O(19,22) is bonded in a bent 150 degrees geometry to one Sc(4) and one C(45) atom. In the twelfth O site, O(20,23) is bonded in a distorted bent 150 degrees geometry to one Sc(4) and one C(32,37) atom. In the thirteenth O site, O(21) is bonded in a linear geometry to one Sc(3) and one C(32,37) atom. In the fourteenth O site, O(24) is bonded in a linear geometry to one Sc(3) and one C(32,37) atom. The O(24)-C(32,37) bond length is 1.27 Å. Linkers: 6 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 4 [Sc]. The MOF has largest included sphere 3.91 A, density 1.24 g/cm3, surface area 4215.61 m2/g, accessible volume 0.31 cm3/g