ChemInform Abstract: Determination of Vanadium-Oxygen Bond Distances and Bond Orders by Raman Spectroscopy.
Abstract
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ChemInform Abstract
The diatomic approximation is used to justify the empirical relationship observed between V-O bond lengths and Raman stretching frequencies. A simple exponential function reasonably describes this empirical relationship. The method is demonstrated for the determination of coordination and bond lengths of known vanadate structures (e.g. BiVO4, α-Zn3(VO4)2) and unknown vanadate structures (AlVO4, V2O5/Al2O3). The method is expected to be applicable to all vanadates where medium-range order is absent.
