Hydrogen bond dynamics probed with ultrafast infrared heterodyne-detected multidimensional vibrational stimulated echoes

被引：109

作者：

Asbury, JB ^{[1
]}

Steinel, T ^{[1
]}

Stromberg, C ^{[1
]}

Gaffney, KJ ^{[1
]}

Piletic, IR ^{[1
]}

Goun, A ^{[1
]}

Fayer, MD ^{[1
]}

机构：

[1] Stanford Univ, Dept Chem, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.91.237402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Hydrogen bond dynamics are explicated with exceptional detail using multidimensional infrared vibrational echo correlation spectroscopy with full phase information. Probing the hydroxyl stretch of methanol-OD oligomers in CCl4, the dynamics of the evolving hydrogen bonded network are measured with ultrashort (<50 fs) pulses. The data along with detailed model calculations demonstrate that vibrational relaxation leads to selective hydrogen bond breaking on the red side of the spectrum (strongest hydrogen bonds) and the production of singly hydrogen bonded photoproducts.

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页数：4

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