SmC11NH7O7(CH)3 crystallizes in the monoclinic P2_1/c space group. The structure consists of twelve 02329_fluka molecules inside a SmC11NH7O7 framework. In the SmC11NH7O7 framework, Sm(1) is bonded in a 8-coordinate geometry to one N(1), one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom. The Sm(1)-N(1) bond length is 2.65 Å. The Sm(1)-O(1) bond length is 2.49 Å. The Sm(1)-O(2) bond length is 2.51 Å. The Sm(1)-O(3) bond length is 2.49 Å. The Sm(1)-O(4) bond length is 2.40 Å. The Sm(1)-O(5) bond length is 2.39 Å. The Sm(1)-O(6) bond length is 2.36 Å. The Sm(1)-O(7) bond length is 2.33 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.51 Å. The C(1)-N(1) bond length is 1.35 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(1) bond length is 1.09 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(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.51 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(3) atom. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(6)-O(1) bond length is 1.28 Å. The C(6)-O(2) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.26 Å. The C(7)-O(5) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(9) atom. The C(8)-C(13) bond length is 1.40 Å. The C(8)-C(14) bond length is 1.49 Å. The C(8)-C(9) bond length is 1.40 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(4) atom. The C(9)-H(4) bond length is 1.09 Å. In the tenth C site, C(13) is bonded in a distorted single-bond geometry to one C(8) and one H(8) atom. The C(13)-H(8) bond length is 1.09 Å. In the eleventh C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(6), and one O(7) atom. The C(14)-O(6) bond length is 1.27 Å. The C(14)-O(7) bond length is 1.27 Å. N(1) is bonded in a distorted trigonal planar geometry to one Sm(1), one C(1), and one C(5) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(8) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one O(3) atom. The H(9)-O(3) bond length is 1.00 Å. In the seventh H site, H(10) is bonded in a single-bond geometry to one O(3) atom. The H(10)-O(3) bond length is 0.98 Å. There are seven inequivalent O sites. In the first O site, O(7) is bonded in a bent 150 degrees geometry to one Sm(1) and one C(14) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one Sm(1) and one C(6) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to one Sm(1) and one C(6) atom. In the fourth O site, O(3) is bonded in a water-like geometry to one Sm(1), one H(10), and one H(9) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(7) atom. In the sixth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(7) atom. In the seventh O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(14) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)nc1. Metal clusters: 4 [Sm]. The MOF has largest included sphere 2.35 A, density 2.16 g/cm3, surface area 3114.05 m2/g, accessible volume 0.09 cm3/g