LaH13(C2O)10(CH)2 crystallizes in the triclinic P-1 space group. The structure consists of four 02329_fluka molecules inside a LaH13(C2O)10 framework. In the LaH13(C2O)10 framework, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. The La(1)-O(1) bond length is 2.41 Å. The La(1)-O(2) bond length is 2.45 Å. The La(1)-O(3) bond length is 2.60 Å. The La(1)-O(4) bond length is 2.43 Å. The La(1)-O(5) bond length is 2.71 Å. The La(1)-O(7) bond length is 2.50 Å. The La(1)-O(8) bond length is 2.48 Å. The La(1)-O(9) bond length is 2.61 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(1)-C(4) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.48 Å. The C(1)-C(9) bond length is 1.41 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(5) atom. The C(2)-C(11) bond length is 1.40 Å. The C(2)-C(12) bond length is 1.41 Å. The C(2)-C(5) bond length is 1.50 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(12), one C(6), and one H(6) atom. The C(3)-C(12) bond length is 1.40 Å. The C(3)-C(6) bond length is 1.40 Å. The C(3)-H(6) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(1), one C(13), and one H(7) atom. The C(4)-C(13) bond length is 1.40 Å. The C(4)-H(7) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(2), one O(2), and one O(3) atom. The C(5)-O(2) bond length is 1.27 Å. The C(5)-O(3) bond length is 1.29 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(17), and one C(3) atom. The C(6)-C(17) bond length is 1.41 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(1), and one O(7) atom. The C(7)-C(12) bond length is 1.50 Å. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(7) bond length is 1.26 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(20) atom. The C(8)-C(17) bond length is 1.48 Å. The C(8)-C(18) bond length is 1.40 Å. The C(8)-C(20) bond length is 1.40 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(1) and one H(8) atom. The C(9)-H(8) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(14), one C(18), and one C(19) atom. The C(10)-C(14) bond length is 1.48 Å. The C(10)-C(18) bond length is 1.40 Å. The C(10)-C(19) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(17), one C(2), and one H(9) atom. The C(11)-C(17) bond length is 1.40 Å. The C(11)-H(9) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(7) atom. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(15), one C(21), and one C(4) atom. The C(13)-C(15) bond length is 1.40 Å. The C(13)-C(21) bond length is 1.50 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(6), and one O(8) atom. The C(14)-O(6) bond length is 1.30 Å. The C(14)-O(8) bond length is 1.26 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(13) and one H(10) atom. The C(15)-H(10) bond length is 1.09 Å. In the sixteenth C site, C(17) is bonded in a trigonal planar geometry to one C(11), one C(6), and one C(8) atom. In the seventeenth C site, C(18) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(12) atom. The C(18)-H(12) bond length is 1.09 Å. In the eighteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(10) and one H(13) atom. The C(19)-H(13) bond length is 1.09 Å. In the nineteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(8) and one H(14) atom. The C(20)-H(14) bond length is 1.09 Å. In the twentieth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(10), and one O(4) atom. The C(21)-O(10) bond length is 1.27 Å. The C(21)-O(4) bond length is 1.28 Å. There are thirteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.97 Å. In the third H site, H(3) is bonded in a linear geometry to one O(10) and one O(6) atom. The H(3)-O(10) bond length is 1.37 Å. The H(3)-O(6) bond length is 1.09 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(9) atom. The H(4)-O(9) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(9) atom. The H(5)-O(9) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(4) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(18) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(19) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(20) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one La(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(1) and one C(5) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1) and one C(5) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(21) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one La(1), one H(1), and one H(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one C(14) and one H(3) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one La(1) and one C(7) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one La(1) and one C(14) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one La(1), one H(4), and one H(5) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one C(21) and one H(3) atom. Linkers: 2 [O]C(=O)c1cccc(-c2cc(C([O])=O)c(C([O])=O)cc2-c2cccc(C(=O)O)c2)c1. Metal clusters: 2 [La]. RCSR code: bnn. The MOF has largest included sphere 2.71 A, density 1.85 g/cm3, surface area 3600.71 m2/g, accessible volume 0.15 cm3/g