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Acta Cryst. (2013). E69, m149
[ doi:10.1107/S1600536813003358 ]

Poly[tris(dimethylformamide)([mu]3-2,4,6-triiodobenzene-1,3,5-tricarboxylato)samarium(III)]

B. Yan, D. Sheng and Y. Yang

Abstract: In the title compound, [Sm(C9I3O6)(C3H7NO)3]n, the SmIII atom is coordinated by nine O atoms, viz. six carboxylate O atoms from three 2,4,6-triiodobenzene-1,3,5-tricarboxylate (I3BTC) ligands and three O atoms from three N,N-dimethylformamide (DMF) molecules. Each I3BTC ligand bridges three SmIII atoms, generating a three-dimensional metal-organic framework structure. The asymmetric unit contains one SmIII ion and one I3BTC anion, both situated on a threefold axis, and one DMF molecule in a general position.


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