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O complexo de oxovanadio(IV) [VOL2].5H2O (1) e os complexos de oxovanadio(V) K[VOL2O].4H2O) (2), [VOL2OH] (3) e [VOL2OCH3] (4) (L = sal de potassio do acido 7-iodo-8-hidroxiquinolina-5-sulfonico) foram preparados e caracterizados. Os espectros no infravermelho dos solidos foram discutidos e comparados com os de outros compostos semelhantes. Os espectros eletronicos, obtidos em diferentes solventes, tambem foram analisados. Medidas de Raman pre-ressonante dos dois primeiros compostos mencionados acima fortalecem algumas das atribuicoes espectroscopicas.

Synthesis and spectroscopic behavior of some oxovanadium(IV) and oxovanadium(V) complexes of 7-iodo-8-hydroxyquinoline-5-sulfonate