Sm2C13H5(NO4)2CH crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a Sm2C13H5(NO4)2 framework. In the Sm2C13H5(NO4)2 framework, there are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 5-coordinate geometry to one N(1), one O(1), one O(3), one O(6), and one O(8) atom. The Sm(1)-N(1) bond length is 2.54 Å. The Sm(1)-O(1) bond length is 2.51 Å. The Sm(1)-O(3) bond length is 2.46 Å. The Sm(1)-O(6) bond length is 2.38 Å. The Sm(1)-O(8) bond length is 2.41 Å. In the second Sm site, Sm(2) is bonded in a 5-coordinate geometry to one N(2), one O(2), one O(4), one O(5), and one O(7) atom. The Sm(2)-N(2) bond length is 2.54 Å. The Sm(2)-O(2) bond length is 2.53 Å. The Sm(2)-O(4) bond length is 2.39 Å. The Sm(2)-O(5) bond length is 2.45 Å. The Sm(2)-O(7) bond length is 2.43 Å. There are thirteen 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 1.50 Å. The C(1)-N(1) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.95 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-H(2) bond length is 0.95 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one H(3) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(3) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one N(1) atom. The C(5)-N(1) bond length is 1.36 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 1.25 Å. The C(6)-O(2) bond length is 1.25 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(7)-O(3) bond length is 1.27 Å. The C(7)-O(4) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one N(2) atom. The C(8)-C(13) bond length is 1.50 Å. The C(8)-C(9) bond length is 1.37 Å. The C(8)-N(2) bond length is 1.34 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 0.95 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(12) and one H(6) atom. The C(11)-C(12) bond length is 1.37 Å. The C(11)-H(6) bond length is 0.95 Å. In the eleventh C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one C(14), and one N(2) atom. The C(12)-C(14) bond length is 1.50 Å. The C(12)-N(2) bond length is 1.34 Å. In the twelfth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(5), and one O(6) atom. The C(13)-O(5) bond length is 1.26 Å. The C(13)-O(6) bond length is 1.25 Å. In the thirteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(7), and one O(8) atom. The C(14)-O(7) bond length is 1.25 Å. The C(14)-O(8) bond length is 1.24 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Sm(1), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Sm(2), one C(12), and one C(8) atom. There are five 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(4) 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(6) is bonded in a single-bond geometry to one C(11) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sm(1) and one C(6) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Sm(2) and one C(6) atom. In the third O site, O(7) is bonded in a bent 120 degrees geometry to one Sm(2) and one C(14) atom. In the fourth O site, O(8) is bonded in a bent 150 degrees geometry to one Sm(1) and one C(14) atom. In the fifth O site, O(3) is bonded in a bent 120 degrees geometry to one Sm(1) and one C(7) atom. In the sixth O site, O(4) is bonded in a bent 150 degrees geometry to one Sm(2) and one C(7) atom. In the seventh O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Sm(2) and one C(13) atom. In the eighth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sm(1) and one C(13) atom. Linkers: 16 [O]C(=O)c1cccc(C([O])=O)n1. Metal clusters: 16 [Sm]. The MOF has largest included sphere 9.49 A, density 1.10 g/cm3, surface area 3039.30 m2/g, accessible volume 0.64 cm3/g