Sm2CuC24H12(NO6)2(CH)4 crystallizes in the monoclinic C2 space group. The structure consists of eight 02329_fluka molecules inside a Sm2CuC24H12(NO6)2 framework. In the Sm2CuC24H12(NO6)2 framework, Sm(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(6), two equivalent O(3), and two equivalent O(4) atoms. The Sm(1)-O(1) bond length is 2.47 Å. The Sm(1)-O(2) bond length is 2.45 Å. The Sm(1)-O(5) bond length is 2.45 Å. The Sm(1)-O(6) bond length is 2.34 Å. There is one shorter (2.52 Å) and one longer (2.60 Å) Sm(1)-O(3) bond length. There is one shorter (2.50 Å) and one longer (2.60 Å) Sm(1)-O(4) bond length. Cu(1) is bonded in a linear geometry to two equivalent N(1) atoms. Both Cu(1)-N(1) bond lengths are 1.89 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. The C(2)-C(3) bond length is 1.36 Å. The C(2)-C(6) bond length is 1.39 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(1) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(2) atom. The C(4)-N(1) bond length is 1.34 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one H(3) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(12) and one H(5) atom. The C(7)-C(12) bond length is 1.38 Å. The C(7)-H(5) bond length is 0.93 Å. In the eighth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(8) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-H(8) bond length is 0.93 Å. In the ninth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(13) atom. The C(11)-C(12) bond length is 1.42 Å. The C(11)-C(13) bond length is 1.50 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(14), and one C(7) atom. The C(12)-C(14) bond length is 1.51 Å. In the eleventh C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(3), and one O(4) atom. The C(13)-O(3) bond length is 1.21 Å. The C(13)-O(4) bond length is 1.32 Å. In the twelfth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(5), and one O(6) atom. The C(14)-O(5) bond length is 1.29 Å. The C(14)-O(6) bond length is 1.25 Å. N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(4), and one C(5) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) 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(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. There are six 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(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sm(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one C(13) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one C(13) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Sm(1) and one C(14) atom. In the sixth 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)c1ccccc1C([O])=O ,4 [O]C(=O)c1ccncc1. Metal clusters: 4 [Sm] ,2 [Cu]. The MOF has largest included sphere 4.66 A, density 1.95 g/cm3, surface area 3077.48 m2/g, accessible volume 0.15 cm3/g