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Synthesis, spectral, magnetic and X-ray powder diffraction structural characterization of [Fe(NCS)3(OPPh3)3]

Ondrejkovicova I., Jorik V., Mroziński J.

Polish Journal of Chemistry

1998

Vol. 72, nr 8

1890-1896

The autocatalytic oxidation of PPh3 with dioxygen in the systems containing some iron compound and NCS(-) anions in acetonitrile leads to the formation of the complexes [Fe(NCS)3(OPPh3)3], where OPPh3 is triphenylphosphine ixide. The complex is also formed by direct interaction of Fe(NCS)3 with )PPh3. This high-spin iron(III) complex acts as oa oxidation catalyst of PPh3. On the basis of elemental analysis, spectral data and X-ray powder diffraction have been proved that the samples of the complex have not only the same composition but possess the same crystal strycture irrespective of the preparation method.