ScH6(C2O)6 crystallizes in the triclinic P1 space group. There are two inequivalent Sc sites. In the first Sc site, Sc(1,2) is bonded in an octahedral geometry to two equivalent O(1,7,13,19); two equivalent O(3,9,15,21); and two equivalent O(5,11,17,23) atoms. Both Sc(1,2)-O(1,7,13,19) bond lengths are 2.09 Å. Both Sc(1,2)-O(3,9,15,21) bond lengths are 2.07 Å. Both Sc(1,2)-O(5,11,17,23) bond lengths are 2.11 Å. In the second Sc site, Sc(3,4) is bonded in an octahedral geometry to two equivalent O(2,8,14,20); two equivalent O(4,10,16,22); and two equivalent O(6,12,18,24) atoms. Both Sc(3,4)-O(2,8,14,20) bond lengths are 2.09 Å. Both Sc(3,4)-O(4,10,16,22) bond lengths are 2.09 Å. Both Sc(3,4)-O(6,12,18,24) bond lengths are 2.09 Å. There are twenty-five inequivalent C sites. In the first C site, C(1,25,37) is bonded in a distorted bent 120 degrees geometry to one C(2); one O(1,7,13,19); and one O(2,8,14,20) atom. The C(1,25,37)-C(2) bond length is 1.45 Å. The C(1,25,37)-O(1,7,13,19) bond length is 1.26 Å. The C(1,25,37)-O(2,8,14,20) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1,25,37); one C(3,27,39); and one C(4,28,40) atom. The C(2)-C(3,27,39) bond length is 1.38 Å. The C(2)-C(4,28,40) bond length is 1.38 Å. In the third C site, C(3,27,39) is bonded in a distorted trigonal planar geometry to one C(16); one C(2); and one H(1,7,13,19) atom. The C(3,27,39)-C(16) bond length is 1.38 Å. The C(3,27,39)-H(1,7,13,19) bond length is 1.14 Å. In the fourth C site, C(4,28,40) is bonded in a distorted trigonal planar geometry to one C(15), one C(2), and one H(2) atom. The C(4,28,40)-C(15) bond length is 1.38 Å. The C(4,28,40)-H(2) bond length is 1.14 Å. In the fifth C site, C(5,29,41) is bonded in a distorted bent 120 degrees geometry to one C(6,18); one O(3,9,15,21); and one O(4,10,16,22) atom. The C(5,29,41)-C(6,18) bond length is 1.45 Å. The C(5,29,41)-O(3,9,15,21) bond length is 1.25 Å. The C(5,29,41)-O(4,10,16,22) bond length is 1.25 Å. In the sixth C site, C(6,18) is bonded in a trigonal planar geometry to one C(5,29,41); one C(7); and one C(8,32,44) atom. The C(6,18)-C(7) bond length is 1.38 Å. The C(6,18)-C(8,32,44) bond length is 1.38 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6,18); one C(8,32,44); and one H(3,9,15) atom. The C(7)-C(8,32,44) bond length is 1.38 Å. The C(7)-H(3,9,15) bond length is 1.14 Å. In the eighth C site, C(8,32,44) is bonded in a distorted trigonal planar geometry to one C(31,43); one C(6,18); and one H(4,10,22) atom. The C(8,32,44)-C(31,43) bond length is 1.38 Å. The C(8,32,44)-H(4,10,22) bond length is 1.14 Å. In the ninth C site, C(9,21,33,45) is bonded in a distorted bent 120 degrees geometry to one C(10,22); one O(5,11,17,23); and one O(6,12,18,24) atom. The C(9,21,33,45)-C(10,22) bond length is 1.45 Å. The C(9,21,33,45)-O(5,11,17,23) bond length is 1.25 Å. The C(9,21,33,45)-O(6,12,18,24) bond length is 1.26 Å. In the tenth C site, C(10,22) is bonded in a trigonal planar geometry to one C(11,35,47); one C(12); and one C(9,21,33,45) atom. The C(10,22)-C(11,35,47) bond length is 1.38 Å. The C(10,22)-C(12) bond length is 1.38 Å. In the eleventh C site, C(11,35,47) is bonded in a distorted trigonal planar geometry to one C(10,22); one C(24,36,48); and one H(5,11,23) atom. The C(11,35,47)-C(24,36,48) bond length is 1.38 Å. The C(11,35,47)-H(5,11,23) bond length is 1.14 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10,22); one C(11,35,47); and one H(6,12,18) atom. The C(12)-C(11,35,47) bond length is 1.38 Å. The C(12)-H(6,12,18) bond length is 1.14 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(14,26,38); one O(1,7,13,19); and one O(2,8,14,20) atom. The C(13)-C(14,26,38) bond length is 1.45 Å. The C(13)-O(1,7,13,19) bond length is 1.26 Å. The C(13)-O(2,8,14,20) bond length is 1.25 Å. In the fourteenth C site, C(14,26,38) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14,26,38)-C(15) bond length is 1.38 Å. The C(14,26,38)-C(16) bond length is 1.38 Å. In the fifteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14,26,38); one C(4,28,40); and one H(1,7,13,19) atom. The C(15)-H(1,7,13,19) bond length is 1.14 Å. In the sixteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(14,26,38); one C(3,27,39); and one H(8) atom. The C(16)-H(8) bond length is 1.14 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(6,18); one O(3,9,15,21); and one O(4,10,16,22) atom. The C(17)-C(6,18) bond length is 1.45 Å. The C(17)-O(3,9,15,21) bond length is 1.25 Å. The C(17)-O(4,10,16,22) bond length is 1.25 Å. In the eighteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(6,18); one C(8,32,44); and one H(3,9,15) atom. The C(19)-C(6,18) bond length is 1.38 Å. The C(19)-C(8,32,44) bond length is 1.38 Å. The C(19)-H(3,9,15) bond length is 1.14 Å. In the nineteenth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(31,43); one C(6,18); and one H(4,10,22) atom. The C(20)-C(31,43) bond length is 1.38 Å. The C(20)-C(6,18) bond length is 1.38 Å. The C(20)-H(4,10,22) bond length is 1.14 Å. In the twentieth C site, C(23) is bonded in a distorted trigonal planar geometry to one C(10,22); one C(24,36,48); and one H(5,11,23) atom. The C(23)-C(10,22) bond length is 1.38 Å. The C(23)-C(24,36,48) bond length is 1.38 Å. The C(23)-H(5,11,23) bond length is 1.14 Å. In the twenty-first C site, C(24,36,48) is bonded in a distorted single-bond geometry to one C(10,22); one C(11,35,47); and one H(6,12,18) atom. The C(24,36,48)-C(10,22) bond length is 1.38 Å. The C(24,36,48)-H(6,12,18) bond length is 1.14 Å. In the twenty-second C site, C(30) is bonded in a trigonal planar geometry to one C(31,43); one C(5,29,41); and one C(8,32,44) atom. The C(30)-C(31,43) bond length is 1.38 Å. The C(30)-C(5,29,41) bond length is 1.45 Å. The C(30)-C(8,32,44) bond length is 1.38 Å. In the twenty-third C site, C(31,43) is bonded in a distorted single-bond geometry to one C(30); one C(8,32,44); and one H(3,9,15) atom. The C(31,43)-H(3,9,15) bond length is 1.14 Å. In the twenty-fourth C site, C(34,46) is bonded in a trigonal planar geometry to one C(11,35,47); one C(24,36,48); and one C(9,21,33,45) atom. The C(34,46)-C(11,35,47) bond length is 1.38 Å. The C(34,46)-C(24,36,48) bond length is 1.38 Å. The C(34,46)-C(9,21,33,45) bond length is 1.45 Å. In the twenty-fifth C site, C(42) is bonded in a trigonal planar geometry to one C(31,43); one C(5,29,41); and one C(8,32,44) atom. The C(42)-C(31,43) bond length is 1.38 Å. The C(42)-C(5,29,41) bond length is 1.45 Å. The C(42)-C(8,32,44) bond length is 1.38 Å. There are twelve inequivalent H sites. In the first H site, H(1,7,13,19) is bonded in a single-bond geometry to one C(3,27,39) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4,28,40) atom. In the third H site, H(3,9,15) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4,10,22) is bonded in a single-bond geometry to one C(8,32,44) atom. In the fifth H site, H(5,11,23) is bonded in a single-bond geometry to one C(11,35,47) atom. In the sixth H site, H(6,12,18) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(14,20) is bonded in a single-bond geometry to one C(4,28,40) atom. The H(14,20)-C(4,28,40) bond length is 1.14 Å. In the ninth H site, H(16) is bonded in a single-bond geometry to one C(8,32,44) atom. The H(16)-C(8,32,44) bond length is 1.14 Å. In the tenth H site, H(17) is bonded in a single-bond geometry to one C(11,35,47) atom. The H(17)-C(11,35,47) bond length is 1.14 Å. In the eleventh H site, H(21) is bonded in a single-bond geometry to one C(31,43) atom. The H(21)-C(31,43) bond length is 1.14 Å. In the twelfth H site, H(24) is bonded in a single-bond geometry to one C(24,36,48) atom. The H(24)-C(24,36,48) bond length is 1.14 Å. There are six inequivalent O sites. In the first O site, O(1,7,13,19) is bonded in a bent 150 degrees geometry to one Sc(1,2) and one C(1,25,37) atom. In the second O site, O(2,8,14,20) is bonded in a bent 150 degrees geometry to one Sc(3,4) and one C(1,25,37) atom. In the third O site, O(3,9,15,21) is bonded in a linear geometry to one Sc(1,2) and one C(5,29,41) atom. In the fourth O site, O(4,10,16,22) is bonded in a distorted bent 150 degrees geometry to one Sc(3,4) and one C(5,29,41) atom. In the fifth O site, O(5,11,17,23) is bonded in a bent 150 degrees geometry to one Sc(1,2) and one C(9,21,33,45) atom. In the sixth O site, O(6,12,18,24) is bonded in a bent 150 degrees geometry to one Sc(3,4) and one C(9,21,33,45) atom. Linkers: 6 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 4 [Sc]. The MOF has largest included sphere 3.89 A, density 1.24 g/cm3, surface area 3986.12 m2/g, accessible volume 0.39 cm3/g