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artículo con referato
"Synthesis and magnetic characterization of Ln(III) complexes with 4,4′-bipyridine and crotonato as bridging ligands"
J.C. Muñoz, A.M. Atria, R.F. Baggio, M.T. Garland, O. Peña and C. Orrego
Inorg. Chim. Acta 358(13) (2005) 4027-4033
The crystal structure and magnetic characterization of an isostructural series of general formula {[Ln(crot)3(H2O)(bpy)1/2]2}n (crot, crotonate (C4H5O2); bpy, 4,4′-bipyridine (C10H8N2); Ln, Nd, Gd, Ho, Er, Y) is presented. The ninefold Ln coordination polyhedra form dimeric entities that are connected throughout the bpy units into infinite polymeric chains. All (but the yttrium) reported compounds present a weak antiferromagnetic interaction connecting metal centres.
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