Abstract
Four new heteronuclear CrIII/VIV complexes have been isolated from the redox [CrIII–Vv–L1–L2] systems (L1 = glycine, glutaminic and nicotinic acids, L2 = cysteine and glutathione). The complexes have been analysed by spectroscopic methods (diffuse reflectance u.v./vis., i.r.) and by FAB mass spectra. A significant bathochromic shift of the d–d CrIII and VIV transitions in heteronuclear complexes (d1–d3) in comparison to the CrIII homonuclear species (d3/d3) has been related to the interaction of two metal centres. Spectral analyses by the digital filter and band deconvolution methods are presented.
Published Version
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