Temperature dependence of vibrational relaxation in liquid H2O

被引：221

作者：

Lock, AJ ^{[1
]}

Bakker, HJ ^{[1
]}

机构：

[1] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands

来源：

JOURNAL OF CHEMICAL PHYSICS | 2002年 / 117卷 / 04期

关键词：

D O I：

10.1063/1.1485966

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have determined the lifetime of the OH-stretch vibration in pure liquid water as a function of temperature using femtosecond mid-infrared pump-probe spectroscopy. The lifetime T-1 increases from 260+/-18 fs at T=298 K to 320+/-18 fs at T=358 K. The increase in lifetime with temperature can be quantitatively explained from the decrease in overlap resonance between the OH-stretch vibration and the overtone of the H-O-H bending mode. (C) 2002 American Institute of Physics.

引用

页码：1708 / 1713

页数：6

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