LaH11(C3O)7 crystallizes in the monoclinic Cc space group. La(1) is bonded in a 10-coordinate geometry to one O(2), one O(3), one O(5), one O(6), two equivalent O(1), two equivalent O(4), and two equivalent O(7) atoms. The La(1)-O(2) bond length is 2.71 Å. The La(1)-O(3) bond length is 2.55 Å. The La(1)-O(5) bond length is 2.49 Å. The La(1)-O(6) bond length is 2.62 Å. There is one shorter (2.53 Å) and one longer (2.60 Å) La(1)-O(1) bond length. There is one shorter (2.64 Å) and one longer (2.84 Å) La(1)-O(4) bond length. There is one shorter (2.60 Å) and one longer (2.68 Å) La(1)-O(7) bond length. There are twenty-one inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(3) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-O(1) bond length is 1.31 Å. The C(1)-O(3) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(21), and one C(3) atom. The C(2)-C(21) bond length is 1.41 Å. The C(2)-C(3) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(19), one C(3), and one C(5) atom. The C(4)-C(19) bond length is 1.42 Å. The C(4)-C(5) bond length is 1.46 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(11), one C(4), and one C(6) atom. The C(5)-C(11) bond length is 1.42 Å. The C(5)-C(6) bond length is 1.41 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(4) atom. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(8) and one H(5) atom. The C(7)-C(8) bond length is 1.40 Å. The C(7)-H(5) bond length is 1.09 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 1.39 Å. The C(8)-C(9) bond length is 1.48 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(5) atom. The C(9)-O(4) bond length is 1.30 Å. The C(9)-O(5) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(8), and one H(6) atom. The C(10)-C(11) bond length is 1.41 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(5) atom. The C(11)-C(12) bond length is 1.46 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(18) atom. The C(12)-C(13) bond length is 1.41 Å. The C(12)-C(18) bond length is 1.42 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one C(14), and one H(7) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-H(7) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one C(15), and one H(8) atom. The C(14)-C(15) bond length is 1.41 Å. The C(14)-H(8) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(14), one C(16), and one C(17) atom. The C(15)-C(16) bond length is 1.49 Å. The C(15)-C(17) bond length is 1.39 Å. In the sixteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(15), one O(6), and one O(7) atom. The C(16)-O(6) bond length is 1.27 Å. The C(16)-O(7) bond length is 1.30 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(15), one C(18), and one H(9) atom. The C(17)-C(18) bond length is 1.41 Å. The C(17)-H(9) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(12), one C(17), and one C(19) atom. The C(18)-C(19) bond length is 1.46 Å. In the nineteenth C site, C(19) is bonded in a trigonal planar geometry to one C(18), one C(20), and one C(4) atom. The C(19)-C(20) bond length is 1.41 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(19) and one H(10) atom. The C(20)-H(10) bond length is 1.09 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(2) and one H(11) atom. The C(21)-H(11) bond length is 1.09 Å. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) 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) is bonded in a single-bond geometry to one C(7) 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(13) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(21) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent La(1) and one C(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one La(1), one H(1), and one H(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to two equivalent La(1) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one La(1) and one C(9) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1) and one C(16) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent La(1) and one C(16) atom. Linkers: 2 [O]C(=O)c1ccc2c(c1)c1ccc(C([O])=O)cc1c1ccc(C([O])=O)cc21. Metal clusters: 2 [La]. RCSR code: acs. The MOF has largest included sphere 4.75 A, density 1.66 g/cm3, surface area 2922.04 m2/g, accessible volume 0.24 cm3/g