Abstract
High resolution (0.04cm−1) FT-IR absorption spectroscopy was applied in the range 9-300 K to study vibrational modes of OH− in KCl: Sr2+ mixture. The lines (very narrow at 9 K) in the range 3500–3650 cm−1 were attributed to the stretching of OH− embedded in Sr2+-complexes. The spectra (fundamentals, overtones, and isotopic replicas) were analysed in by means of the Morse anharmonic oscillator model, the parameters of which were evaluated and discussed. A single phonon coupling model, applied to the temperature-dependence of the line position, provided the frequencies of the coupled phonons.
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© 1997 Springer-Verlag Wien
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Beneventi, P., Bertoli, P., Capelletti, R. (1997). High Resolution FT-IR Spectroscopy of OH− Ion Perturbed by Sr2+ in KCl. In: Mink, J., Keresztury, G., Kellner, R. (eds) Progress in Fourier Transform Spectroscopy. Mikrochimica Acta Supplement, vol 14. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6840-0_118
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DOI: https://doi.org/10.1007/978-3-7091-6840-0_118
Publisher Name: Springer, Vienna
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