Vibrational relaxation of the H2O bending mode in liquid water

We have studied the vibrational relaxation of the H(2)O bending mode in an H(2)O:HDO:D(2)O isotopic mixture using infrared pump-probe spectroscopy. The transient spectrum and its delay dependence reveal an anharmonic shift of 55+/-10 cm(-1) for the H(2)O bending mode, and a value of 400+/-30 fs for...

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Bibliographic Details
Published in:The Journal of chemical physics 2004-12, Vol.121 (24), p.12143-12145
Main Authors: Larsen, Olaf F A, Woutersen, Sander
Format: Article
Language:English
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Summary:We have studied the vibrational relaxation of the H(2)O bending mode in an H(2)O:HDO:D(2)O isotopic mixture using infrared pump-probe spectroscopy. The transient spectrum and its delay dependence reveal an anharmonic shift of 55+/-10 cm(-1) for the H(2)O bending mode, and a value of 400+/-30 fs for its vibrational lifetime.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1839175