Dynamics of water probed with vibrational echo correlation spectroscopy

John B. Asbury, Tobias Steinel, Kyungwon Kwak, S. A. Corcelli, C. P. Lawrence, J. L. Skinner, M. D. Fayer

Research output: Contribution to journalArticlepeer-review

337 Scopus citations


Vibrational echo correlation spectroscopy experiments on the OD stretch of dilute HOD in H 2O are used to probe the structural dynamics of water. A method is demonstrated for combining correlation spectra taken with different infrared pulse bandwidths (pulse durations), making it possible to use data collected from many experiments in which the laser pulse properties are not identical. Accurate measurements of the OD stretch anharmonicity (162 cm -1) are presented and used in the data analysis. In addition, the recent accurate determination of the OD vibrational lifetime (1.45 ps) and the time scale for the production of vibrational relaxation induced broken hydrogen bond "photoproducts" (∼2 ps) aid in the data analysis. The data are analyzed using time dependent diagrammatic perturbation theory to obtain the frequency time correlation function (FTCF). The results are an improved FTCF compared to that obtained previously with vibrational echo correlation spectroscopy. The experimental data and the experimentally determined FTCF are compared to calculations that employ a polarizable water model (SPC-FQ) to calculate the FTCF. The SPC-FQ derived FTCF is much closer to the experimental results than previously tested nonpolarizable water models which are also presented for comparison.

Original languageEnglish (US)
Pages (from-to)12431-12446
Number of pages16
JournalJournal of Chemical Physics
Issue number24
StatePublished - Dec 22 2004

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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