Vibrational spectra of platinum superoxo complexesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Aqueous alkaline (KOH, KOD) solutions of hexahydroxoplatinate and "blue" superoxohydroxoplatinate complexes were studied by Raman spectroscopy. The spectra of superoxo complexes shows the bands at 1020 and 1060 cm(-1) that arise from the O-2(-) moiety. Solid samples of platinum hydroxide and the precipitates isolated from "blue" solutions were studied by IR and Raman spectroscopy. The spectra of hexahydroxoplatinate(IV) were assigned assuming the C-3i symmetry of the Pt(OH)(6)(2-) group. The Raman spectra of the decomposition products of the solid superoxo complex (v(O-O) = 1080 cm(-1) for O-2(-)) show the bands that arise from a platinum peroxo complex (v(O-O) = 829 cm(-1) for O-2(2-)).