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High‐resolution stimulated Raman spectroscopy and analysis of the ν 1 , 2 ν 1 – ν 1 , ν 2 , 2 ν 2 , and 3 ν 2 – ν 2 bands of CF 4
Author(s) -
Boudon V.,
Bermejo D.,
Martínez R. Z.
Publication year - 2013
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.4248
Subject(s) - raman spectroscopy , analytical chemistry (journal) , chemistry , spectral line , resolution (logic) , infrared , high resolution , infrared spectroscopy , molecule , spectroscopy , nuclear magnetic resonance , physics , optics , geology , remote sensing , organic chemistry , chromatography , astronomy , artificial intelligence , computer science , quantum mechanics
The spectra of the ν 1 , 2 ν 1 – ν 1 , ν 2 , 2 ν 2 , and 3 ν 2 – ν 2 bands of CF 4 were obtained with a quasi‐continuous wave stimulated Raman spectrometer. These five bands were studied at a temperature of 135 and 300 K (for the hot bands). The spectrum of ν 1 was obtained at a sample pressure of 2 mbar. For the spectra of the other regions, which are much weaker, higher pressures were used. The analysis has been performed thanks to the xtds and spview softwares developed in Dijon for such highly symmetric molecules. Combining the present results with a previous infrared study, we could determine a very accurate value for the C–F equilibrium bond length, i.e. r e = 1.31588(6) Å. Copyright © 2013 John Wiley & Sons, Ltd.