SmC20H11O9(CH)4 crystallizes in the triclinic P-1 space group. The structure consists of eight 02329_fluka molecules inside a SmC20H11O9 framework. In the SmC20H11O9 framework, Sm(1) is bonded in a 9-coordinate geometry to one O(2), one O(3), one O(4), one O(6), one O(7), two equivalent O(1), and two equivalent O(5) atoms. The Sm(1)-O(2) bond length is 2.45 Å. The Sm(1)-O(3) bond length is 2.53 Å. The Sm(1)-O(4) bond length is 2.44 Å. The Sm(1)-O(6) bond length is 2.38 Å. The Sm(1)-O(7) bond length is 2.51 Å. There is one shorter (2.45 Å) and one longer (2.50 Å) Sm(1)-O(1) bond length. There is one shorter (2.45 Å) and one longer (2.58 Å) Sm(1)-O(5) bond length. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(2) atom. The C(1)-C(10) bond length is 1.43 Å. The C(1)-C(11) bond length is 1.49 Å. The C(1)-C(2) bond length is 1.38 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(3) atom. The C(2)-H(3) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-H(4) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(5) atom. The C(4)-C(12) bond length is 1.49 Å. The C(4)-C(5) bond length is 1.44 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.44 Å. The C(5)-C(6) bond length is 1.42 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(9) atom. The C(9)-C(10) bond length is 1.42 Å. The C(9)-H(9) bond length is 1.09 Å. In the eighth C site, C(10) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(9) atom. In the ninth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(3) atom. The C(11)-O(1) bond length is 1.30 Å. The C(11)-O(3) bond length is 1.26 Å. In the tenth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(4), and one O(5) atom. The C(12)-O(4) bond length is 1.26 Å. The C(12)-O(5) bond length is 1.30 Å. In the eleventh C site, C(13) is bonded in a trigonal planar geometry to one C(14), one C(22), and one C(23) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-C(22) bond length is 1.43 Å. The C(13)-C(23) bond length is 1.50 Å. In the twelfth C site, C(14) is bonded in a distorted single-bond geometry to one C(13) and one H(10) atom. The C(14)-H(10) bond length is 1.09 Å. In the thirteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(16) and one H(11) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-H(11) bond length is 1.09 Å. In the fourteenth C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(24) atom. The C(16)-C(17) bond length is 1.44 Å. The C(16)-C(24) bond length is 1.48 Å. In the fifteenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(22) atom. The C(17)-C(18) bond length is 1.42 Å. The C(17)-C(22) bond length is 1.44 Å. In the sixteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(17) and one H(12) atom. The C(18)-H(12) bond length is 1.08 Å. In the seventeenth C site, C(21) is bonded in a distorted single-bond geometry to one C(22) and one H(15) atom. The C(21)-C(22) bond length is 1.42 Å. The C(21)-H(15) bond length is 1.09 Å. In the eighteenth C site, C(22) is bonded in a trigonal planar geometry to one C(13), one C(17), and one C(21) atom. In the nineteenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(6), and one O(7) atom. The C(23)-O(6) bond length is 1.26 Å. The C(23)-O(7) bond length is 1.29 Å. In the twentieth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(8), and one O(9) atom. The C(24)-O(8) bond length is 1.24 Å. The C(24)-O(9) bond length is 1.35 Å. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) and one O(8) atom. The H(1)-O(2) bond length is 1.01 Å. The H(1)-O(8) bond length is 1.65 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(2) and one O(7) atom. The H(2)-O(2) bond length is 1.00 Å. The H(2)-O(7) bond length is 1.69 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one O(9) atom. The H(8)-O(9) bond length is 1.00 Å. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(15) atom. In the tenth H site, H(12) is bonded in a single-bond geometry to one C(18) atom. In the eleventh H site, H(15) is bonded in a single-bond geometry to one C(21) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one C(11) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Sm(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 Sm(1) and one C(11) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Sm(1) and one C(12) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one C(12) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Sm(1) and one C(23) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Sm(1), one C(23), and one H(2) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one C(24) and one H(1) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one C(24) and one H(8) atom. Linkers: 2 [O]C(=O)c1ccc(C([O])=O)c2ccccc12. Metal clusters: 2 [Sm]. RCSR code: sql. The MOF has largest included sphere 2.29 A, density 2.00 g/cm3, surface area 3332.27 m2/g, accessible volume 0.12 cm3/g