The synthesis and properties of tris(dithioacetylacetonato) complexes of iron(III), ruthenium(III), and osmium(III)

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Abstract
The syntheses of the iron(111), ruthenium(111), and osmium(111) complexes of dithioacetylacetone are described. The tris chelates are neutral low-spin (S = 1/2)monomers. Polarography in acetone reveals a ready one-electron reduction for each complex. Infrared and e.s.r. spectra are reported. The magnetic susceptibilities have been measured as a function of temperature. The electronic absorption spectra are compared with those of the related cobalt(111) group complexes, and some tentative assignments of charge transfer bands are provided.

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