Vibrational Relaxation and Hydrogen-Bond Dynamics of HDO:H2O | Zendy

Michel F. Kropman | Zendy; Han-Kwang Nienhuys | Zendy; Sander Woutersen | Zendy; Huib J. Bakker | Zendy

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Vibrational Relaxation and Hydrogen-Bond Dynamics of HDO:H₂O

Author(s) -

Michel F. Kropman,

Han-Kwang Nienhuys,

Sander Woutersen,

Huib J. Bakker

Publication year - 2001

Publication title -

the journal of physical chemistry a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.756

H-Index - 235

eISSN - 1520-5215

pISSN - 1089-5639

DOI - 10.1021/jp010057n

Subject(s) - hydrogen bond , chemistry , relaxation (psychology) , vibrational energy relaxation , hydrogen , femtosecond , infrared , dynamics (music) , infrared spectroscopy , two dimensional infrared spectroscopy , molecular vibration , analytical chemistry (journal) , chemical physics , atomic physics , molecule , laser , physics , optics , psychology , social psychology , organic chemistry , acoustics , chromatography

Femtosecond two-color mid-infrared pump−probe spectroscopy is used to study the vibrational relaxation and the hydrogen-bond dynamics of HDO dissolved in liquid H2O. By looking at the spectral dynamics of the OD stretch mode, direct information on the hydrogen-bond dynamics of the H2O solvent is obtained. By fitting the data using the Brownian oscillator model, we determined the vibrational lifetime of the OD stretch vibration and the hydrogen-bond length correlation time. The hydrogen-bond correlation time of H2O is significantly shorter than for D2O, found previously.

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