SmC16H9O8Cl is Indium-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two SmC16H9O8Cl clusters. Sm(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(7), one O(8), two equivalent O(4), and one Cl(1) atom. The Sm(1)-O(1) bond length is 2.39 Å. The Sm(1)-O(2) bond length is 2.43 Å. The Sm(1)-O(3) bond length is 2.53 Å. The Sm(1)-O(5) bond length is 2.61 Å. The Sm(1)-O(7) bond length is 2.40 Å. The Sm(1)-O(8) bond length is 2.45 Å. There is one shorter (2.39 Å) and one longer (2.63 Å) Sm(1)-O(4) bond length. The Sm(1)-Cl(1) bond length is 2.95 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(1), and one O(7) atom. The C(1)-C(11) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(7) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. The C(2)-C(6) bond length is 1.51 Å. The C(2)-C(8) bond length is 1.39 Å. The C(2)-C(9) bond length is 1.37 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(5), and one O(6) atom. The C(3)-C(14) bond length is 1.50 Å. The C(3)-O(5) bond length is 1.22 Å. The C(3)-O(6) bond length is 1.30 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(13), and one C(5) atom. The C(4)-C(12) bond length is 1.49 Å. The C(4)-C(13) bond length is 1.38 Å. The C(4)-C(5) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(1) atom. The C(5)-H(1) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(2), and one O(3) atom. The C(6)-O(2) bond length is 1.25 Å. The C(6)-O(3) bond length is 1.25 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(11) and one H(3) atom. The C(7)-C(11) bond length is 1.39 Å. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(8)-H(4) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(2) and one H(5) atom. The C(9)-H(5) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(6) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-H(6) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(7) atom. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(4), and one O(8) atom. The C(12)-O(4) bond length is 1.26 Å. The C(12)-O(8) bond length is 1.25 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(4) and one H(7) atom. The C(13)-H(7) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(15), one C(16), and one C(3) atom. The C(14)-C(15) bond length is 1.38 Å. The C(14)-C(16) bond length is 1.38 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(8) atom. The C(15)-H(8) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a single-bond geometry to one C(14) and one H(9) atom. The C(16)-H(9) bond length is 0.93 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) and one Cl(1) atom. The H(2)-O(6) bond length is 0.82 Å. The H(2)-Cl(1) bond length is 2.15 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) 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(15) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Sm(1) and one C(6) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Sm(1) and one C(6) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to two equivalent Sm(1) and one C(12) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Sm(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one C(3) and one H(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Sm(1) and one C(12) atom. Cl(1) is bonded in a 2-coordinate geometry to one Sm(1) and one H(2) atom. Linkers: 7 [O]C(=O)c1ccc(C([O])=O)cc1 ,2 O=C(O)c1ccc(C(=O)O)cc1. Metal clusters: 2 O=[C]O.O=[C]O.[C]1O[Sm]234(O1)O[C]O[Sm]1(O[C]O1)(O[C]O2)(O[C]O3)O[C]O4.[Cl].[Cl]. RCSR code: hex. The MOF has largest included sphere 4.72 A, density 1.47 g/cm3, surface area 3388.04 m2/g, accessible volume 0.27 cm3/g