ScH6(C2O)6 crystallizes in the triclinic P1 space group. Sc(1,2,3,4) is bonded in an octahedral geometry to two equivalent O(1,4,7,10,13,16,19,22); two equivalent O(2,5,8,11,14,17,20,23); and two equivalent O(3,6,9,12,15,18,21,24) atoms. Both Sc(1,2,3,4)-O(1,4,7,10,13,16,19,22) bond lengths are 2.08 Å. Both Sc(1,2,3,4)-O(2,5,8,11,14,17,20,23) bond lengths are 2.10 Å. Both Sc(1,2,3,4)-O(3,6,9,12,15,18,21,24) bond lengths are 2.07 Å. There are fourteen inequivalent C sites. In the first C site, C(1,6,11,16) is bonded in a distorted trigonal planar geometry to one C(1,6,11,16); one C(42,44,46,48); and one H(1,4,7,10,13,16,19,22) atom. The C(1,6,11,16)-C(1,6,11,16) bond length is 1.39 Å. The C(1,6,11,16)-C(42,44,46,48) bond length is 1.39 Å. The C(1,6,11,16)-H(1,4,7,10,13,16,19,22) bond length is 1.14 Å. In the second C site, C(2,7,12,17) is bonded in a distorted bent 120 degrees geometry to one C(3,8,13,18); one O(2,5,8,11,14,17,20,23); and one O(3,6,9,12,15,18,21,24) atom. The C(2,7,12,17)-C(3,8,13,18) bond length is 1.44 Å. The C(2,7,12,17)-O(2,5,8,11,14,17,20,23) bond length is 1.27 Å. The C(2,7,12,17)-O(3,6,9,12,15,18,21,24) bond length is 1.27 Å. In the third C site, C(3,8,13,18) is bonded in a trigonal planar geometry to one C(2,7,12,17); one C(4,9,14,19); and one C(5,15,20) atom. The C(3,8,13,18)-C(4,9,14,19) bond length is 1.39 Å. The C(3,8,13,18)-C(5,15,20) bond length is 1.39 Å. In the fourth C site, C(4,9,14,19) is bonded in a distorted trigonal planar geometry to one C(25,30,35,40); one C(3,8,13,18); and one H(2,5,8,11,14,20,23) atom. The C(4,9,14,19)-C(25,30,35,40) bond length is 1.38 Å. The C(4,9,14,19)-H(2,5,8,11,14,20,23) bond length is 1.14 Å. In the fifth C site, C(5,15,20) is bonded in a distorted single-bond geometry to one C(24,29,34,39); one C(3,8,13,18); and one H(3,6,9,12) atom. The C(5,15,20)-C(24,29,34,39) bond length is 1.38 Å. The C(5,15,20)-H(3,6,9,12) bond length is 1.14 Å. In the sixth C site, C(10) is bonded in a distorted single-bond geometry to one C(24,29,34,39); one C(3,8,13,18); and one H(3,6,9,12) atom. The C(10)-C(24,29,34,39) bond length is 1.38 Å. The C(10)-C(3,8,13,18) bond length is 1.39 Å. The C(10)-H(3,6,9,12) bond length is 1.14 Å. In the seventh C site, C(21,26,31,36) is bonded in a distorted trigonal planar geometry to one C(21,26,31,36); one C(42,44,46,48); and one H(1,4,7,10,13,16,19,22) atom. The C(21,26,31,36)-C(21,26,31,36) bond length is 1.39 Å. The C(21,26,31,36)-C(42,44,46,48) bond length is 1.39 Å. The C(21,26,31,36)-H(1,4,7,10,13,16,19,22) bond length is 1.14 Å. In the eighth C site, C(22,27,32,37) is bonded in a distorted bent 120 degrees geometry to one C(23,33,38); one O(2,5,8,11,14,17,20,23); and one O(3,6,9,12,15,18,21,24) atom. The C(22,27,32,37)-C(23,33,38) bond length is 1.44 Å. The C(22,27,32,37)-O(2,5,8,11,14,17,20,23) bond length is 1.27 Å. The C(22,27,32,37)-O(3,6,9,12,15,18,21,24) bond length is 1.27 Å. In the ninth C site, C(23,33,38) is bonded in a trigonal planar geometry to one C(22,27,32,37); one C(24,29,34,39); and one C(25,30,35,40) atom. The C(23,33,38)-C(24,29,34,39) bond length is 1.39 Å. The C(23,33,38)-C(25,30,35,40) bond length is 1.39 Å. In the tenth C site, C(24,29,34,39) is bonded in a distorted trigonal planar geometry to one C(23,33,38); one C(5,15,20); and one H(2,5,8,11,14,20,23) atom. The C(24,29,34,39)-H(2,5,8,11,14,20,23) bond length is 1.14 Å. In the eleventh C site, C(25,30,35,40) is bonded in a distorted single-bond geometry to one C(23,33,38); one C(4,9,14,19); and one H(15,18,21,24) atom. The C(25,30,35,40)-H(15,18,21,24) bond length is 1.14 Å. In the twelfth C site, C(28) is bonded in a trigonal planar geometry to one C(22,27,32,37); one C(24,29,34,39); and one C(25,30,35,40) atom. The C(28)-C(22,27,32,37) bond length is 1.44 Å. The C(28)-C(24,29,34,39) bond length is 1.39 Å. The C(28)-C(25,30,35,40) bond length is 1.39 Å. In the thirteenth C site, C(41,43,45,47) is bonded in a bent 120 degrees geometry to one C(42,44,46,48) and two equivalent O(1,4,7,10,13,16,19,22) atoms. The C(41,43,45,47)-C(42,44,46,48) bond length is 1.44 Å. Both C(41,43,45,47)-O(1,4,7,10,13,16,19,22) bond lengths are 1.27 Å. In the fourteenth C site, C(42,44,46,48) is bonded in a trigonal planar geometry to one C(41,43,45,47) and two equivalent C(1,6,11,16) atoms. There are five inequivalent H sites. In the first H site, H(1,4,7,10,13,16,19,22) is bonded in a single-bond geometry to one C(1,6,11,16) atom. In the second H site, H(2,5,8,11,14,20,23) is bonded in a single-bond geometry to one C(4,9,14,19) atom. In the third H site, H(3,6,9,12) is bonded in a single-bond geometry to one C(5,15,20) atom. In the fourth H site, H(15,18,21,24) is bonded in a single-bond geometry to one C(25,30,35,40) atom. In the fifth H site, H(17) is bonded in a single-bond geometry to one C(24,29,34,39) atom. The H(17)-C(24,29,34,39) bond length is 1.14 Å. There are three inequivalent O sites. In the first O site, O(1,4,7,10,13,16,19,22) is bonded in a bent 150 degrees geometry to one Sc(1,2,3,4) and one C(41,43,45,47) atom. In the second O site, O(2,5,8,11,14,17,20,23) is bonded in a distorted bent 150 degrees geometry to one Sc(1,2,3,4) and one C(2,7,12,17) atom. In the third O site, O(3,6,9,12,15,18,21,24) is bonded in a linear geometry to one Sc(1,2,3,4) and one C(2,7,12,17) atom. Linkers: 6 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 4 [Sc]. The MOF has largest included sphere 3.92 A, density 1.24 g/cm3, surface area 4326.04 m2/g, accessible volume 0.41 cm3/g