High symmetry effects on hydrogen bond rearrangement:: The 4.1 THz vibrational band of (D2O)4

被引:18
作者
Brown, MG [1 ]
Keutsch, FN [1 ]
Braly, LB [1 ]
Saykally, RJ [1 ]
机构
[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
关键词
D O I
10.1063/1.480115
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
Vibration-rotation-tunneling (VRT) spectroscopy has been extended to the 4 THz spectral region through the observation of a second intermolecular vibration of (D2O)(4). Analysis of the precisely measured perpendicular transition confirms the previously reported cyclic homodromic structure and reveals a dramatically increased (30x) hydrogen bond rearrangement rate in the excited state. (C) 1999 American Institute of Physics. [S0021-9606(99)00441-9].
引用
收藏
页码:7801 / 7806
页数:6
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