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Vibrational relaxation of the H2O bending mode in liquid water

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DOI http://dx.doi.org/10.1063/1.1839175
Reference O.F.A. Larsen and S. Woutersen, Vibrational relaxation of the H2O bending mode in liquid water, J. Chem. Phys. 121, 12143-12145 (2004)

We have studied the vibrational relaxation of the H2O bending mode in an H2O:HDO:D2O 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 H2O bending mode, and a value of 400±30 fs for its vibrational lifetime.

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