Abstract
The standard preparative route to [Pten 2][Pten 2Br 2](ClO 4) 4 (PtBr, where en = H 2NCH 2CH 2NH 2) results in Cl − impurities in the product. A study of resonance Raman (RR) spectra of PtBr as a function of chloride ion doping illustrates that the 166 cm −1 component of the RR spectrum corresponds to the chain axis ν 1 mode. Previously reported ν 1 dispersion and fine structure and several other resonance enhanced defect vibrations are shown to result from chloride doping of the PtBr solid.
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