ScH6(C2O)6 crystallizes in the triclinic P1 space group. Sc(1,2,3,4) is bonded in an octahedral geometry to one O(1,7,19,22); one O(4,10); two equivalent O(2,5,8,11,20,23); and two equivalent O(3,6,9,12,15) atoms. The Sc(1,2,3,4)-O(1,7,19,22) bond length is 2.07 Å. The Sc(1,2,3,4)-O(4,10) bond length is 2.07 Å. Both Sc(1,2,3,4)-O(2,5,8,11,20,23) bond lengths are 2.10 Å. Both Sc(1,2,3,4)-O(3,6,9,12,15) bond lengths are 2.06 Å. There are twenty-nine 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(1,13,16,19,22) atom. The C(1)-C(16) bond length is 1.40 Å. The C(1)-C(42) bond length is 1.38 Å. The C(1)-H(1,13,16,19,22) bond length is 1.14 Å. In the second C site, C(2,12,17,22) is bonded in a bent 120 degrees geometry to one C(3,23); one O(2,5,8,11,20,23); and one O(3,6,9,12,15) atom. The C(2,12,17,22)-C(3,23) bond length is 1.50 Å. The C(2,12,17,22)-O(2,5,8,11,20,23) bond length is 1.21 Å. The C(2,12,17,22)-O(3,6,9,12,15) bond length is 1.26 Å. In the third C site, C(3,23) is bonded in a trigonal planar geometry to one C(2,12,17,22); one C(4,24); and one C(5,15,20,25) atom. The C(3,23)-C(4,24) bond length is 1.39 Å. The C(3,23)-C(5,15,20,25) bond length is 1.37 Å. In the fourth C site, C(4,24) is bonded in a distorted trigonal planar geometry to one C(3,23); one C(5,15,20,25); and one H(2,14,20,23) atom. The C(4,24)-C(5,15,20,25) bond length is 1.40 Å. The C(4,24)-H(2,14,20,23) bond length is 1.14 Å. In the fifth C site, C(5,15,20,25) is bonded in a distorted single-bond geometry to one C(3,23); one C(4,24); and one H(3,9,12,15) atom. The C(5,15,20,25)-H(3,9,12,15) 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 1.40 Å. The C(6)-C(44) bond length is 1.38 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(2,5,8,11,20,23); and one O(3,6,9,12,15) atom. The C(7)-C(8) bond length is 1.50 Å. The C(7)-O(2,5,8,11,20,23) bond length is 1.21 Å. The C(7)-O(3,6,9,12,15) bond length is 1.26 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 1.39 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(30); one C(8); and one H(5,8,11) atom. The C(9)-C(30) bond length is 1.40 Å. The C(9)-H(5,8,11) 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) atom. The C(10)-C(29) bond length is 1.40 Å. The C(10)-H(6) 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 1.38 Å. The C(11)-H(7) bond length is 1.14 Å. In the twelfth C site, C(13,18) is bonded in a trigonal planar geometry to one C(14,19); one C(2,12,17,22); and one C(5,15,20,25) atom. The C(13,18)-C(14,19) bond length is 1.39 Å. The C(13,18)-C(2,12,17,22) bond length is 1.50 Å. The C(13,18)-C(5,15,20,25) bond length is 1.37 Å. In the thirteenth C site, C(14,19) is bonded in a distorted trigonal planar geometry to one C(13,18); one C(35,40); and one H(5,8,11) atom. The C(14,19)-C(35,40) bond length is 1.40 Å. The C(14,19)-H(5,8,11) bond length is 1.14 Å. In the fourteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(1), one C(44), and one H(10) atom. The C(16)-C(44) bond length is 1.38 Å. The C(16)-H(10) bond length is 1.14 Å. In the fifteenth C site, C(21,26,31,36) is bonded in a distorted trigonal planar geometry to one C(21,26,31,36); one C(46,48); and one H(1,13,16,19,22) atom. The C(21,26,31,36)-C(21,26,31,36) bond length is 1.40 Å. The C(21,26,31,36)-C(46,48) bond length is 1.38 Å. The C(21,26,31,36)-H(1,13,16,19,22) bond length is 1.14 Å. In the sixteenth 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 1.50 Å. The C(27)-O(17) bond length is 1.21 Å. The C(27)-O(18) bond length is 1.26 Å. In the seventeenth 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 1.39 Å. The C(28)-C(30) bond length is 1.37 Å. In the eighteenth C site, C(29) is bonded in a distorted trigonal planar geometry to one C(10), one C(28), and one H(17) atom. The C(29)-H(17) bond length is 1.14 Å. In the nineteenth 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 twentieth C site, C(32,37) is bonded in a bent 120 degrees geometry to one C(33,38); one O(2,5,8,11,20,23); and one O(21) atom. The C(32,37)-C(33,38) bond length is 1.50 Å. The C(32,37)-O(2,5,8,11,20,23) bond length is 1.21 Å. The C(32,37)-O(21) bond length is 1.26 Å. In the twenty-first C site, C(33,38) is bonded in a trigonal planar geometry to one C(32,37); one C(34,39); and one C(35,40) atom. The C(33,38)-C(34,39) bond length is 1.39 Å. The C(33,38)-C(35,40) bond length is 1.37 Å. In the twenty-second C site, C(34,39) is bonded in a distorted trigonal planar geometry to one C(33,38); one C(5,15,20,25); and one H(2,14,20,23) atom. The C(34,39)-C(5,15,20,25) bond length is 1.40 Å. The C(34,39)-H(2,14,20,23) bond length is 1.14 Å. In the twenty-third C site, C(35,40) is bonded in a distorted single-bond geometry to one C(14,19); one C(33,38); and one H(21,24) atom. The C(35,40)-H(21,24) bond length is 1.14 Å. In the twenty-fourth C site, C(41) is bonded in a bent 120 degrees geometry to one C(42) and two equivalent O(1,7,19,22) atoms. The C(41)-C(42) bond length is 1.47 Å. Both C(41)-O(1,7,19,22) bond lengths are 1.25 Å. In the twenty-fifth 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 twenty-sixth C site, C(43) is bonded in a bent 120 degrees geometry to one C(44) and two equivalent O(4,10) atoms. The C(43)-C(44) bond length is 1.47 Å. Both C(43)-O(4,10) bond lengths are 1.25 Å. In the twenty-seventh 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 twenty-eighth C site, C(45,47) is bonded in a bent 120 degrees geometry to one C(46,48); one O(1,7,19,22); and one O(13) atom. The C(45,47)-C(46,48) bond length is 1.47 Å. The C(45,47)-O(1,7,19,22) bond length is 1.25 Å. The C(45,47)-O(13) bond length is 1.25 Å. In the twenty-ninth C site, C(46,48) is bonded in a trigonal planar geometry to one C(45,47) and two equivalent C(21,26,31,36) atoms. There are eleven inequivalent H sites. In the first H site, H(1,13,16,19,22) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2,14,20,23) is bonded in a single-bond geometry to one C(4,24) atom. In the third H site, H(3,9,12,15) is bonded in a single-bond geometry to one C(5,15,20,25) 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(5,8,11) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) 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(17) is bonded in a single-bond geometry to one C(29) atom. In the tenth H site, H(18) is bonded in a single-bond geometry to one C(30) atom. In the eleventh H site, H(21,24) is bonded in a single-bond geometry to one C(35,40) atom. There are eleven inequivalent O sites. In the first O site, O(1,7,19,22) is bonded in a bent 150 degrees geometry to one Sc(1,2,3,4) and one C(41) atom. In the second O site, O(2,5,8,11,20,23) is bonded in a distorted bent 150 degrees geometry to one Sc(1,2,3,4) and one C(2,12,17,22) atom. In the third O site, O(3,6,9,12,15) is bonded in a linear geometry to one Sc(1,2,3,4) and one C(2,12,17,22) atom. In the fourth O site, O(4,10) is bonded in a bent 150 degrees geometry to one Sc(1,2,3,4) and one C(43) atom. In the fifth O site, O(13) is bonded in a bent 150 degrees geometry to one Sc(1,2,3,4) and one C(45,47) atom. The O(13)-Sc(1,2,3,4) bond length is 2.07 Å. In the sixth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Sc(1,2,3,4) and one C(2,12,17,22) atom. The O(14)-Sc(1,2,3,4) bond length is 2.10 Å. The O(14)-C(2,12,17,22) bond length is 1.21 Å. In the seventh O site, O(16) is bonded in a bent 150 degrees geometry to one Sc(1,2,3,4) and one C(45,47) atom. The O(16)-Sc(1,2,3,4) bond length is 2.07 Å. The O(16)-C(45,47) bond length is 1.25 Å. In the eighth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Sc(1,2,3,4) and one C(27) atom. The O(17)-Sc(1,2,3,4) bond length is 2.10 Å. In the ninth O site, O(18) is bonded in a linear geometry to one Sc(1,2,3,4) and one C(27) atom. The O(18)-Sc(1,2,3,4) bond length is 2.06 Å. In the tenth O site, O(21) is bonded in a linear geometry to one Sc(1,2,3,4) and one C(32,37) atom. The O(21)-Sc(1,2,3,4) bond length is 2.06 Å. In the eleventh O site, O(24) is bonded in a linear geometry to one Sc(1,2,3,4) and one C(32,37) atom. The O(24)-Sc(1,2,3,4) bond length is 2.06 Å. The O(24)-C(32,37) bond length is 1.26 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 1.25 g/cm3, surface area 4310.38 m2/g, accessible volume 0.40 cm3/g