Synthesis, characterization and crystal structure determination of iron(III) complexes containing 4,4′-dimethyl-2,2′-bipyridine, dimethyl sulfoxide and chloride, [Fe(dmbipy)Cl₄][dmbipyH] and [Fe(dmbipy)Cl₃(DMSO)]

چکیده مقاله

[Fe(dmbipy)Cl₄][dmbipyH], 1 (dmbipy is 4,4′-dimethyl-2,2′-bipyridine), was prepared from reaction of FeCl₃ 6H₂O with 4,4′-dimethyl-2,2′-bipyridine in 0.1 molar aqueous HCl. Treatment of 1 with dimethyl sulfoxide in methanol produced Fe(dmbipy)Cl₃(DMSO)], 2 (DMSO is dimethyl sulfoxide). Both complexes were characterized by IR, UV-vis, and ¹H-NMR spectroscopies and their structures were studied by single crystal diffraction. Compounds 1 and 2 are high-spin with spin multiplicity of six. © 2009 Taylor & Francis.