苯氰酸酯OCN区域非谐耦合的二维红外光子回波研究
2D IR photon echo study of the anharmonic coupling in the OCN region of phenyl cyanate.
作者信息
Tucker Matthew J, Kim Yung Sam, Hochstrasser Robin M
机构信息
Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA.
出版信息
Chem Phys Lett. 2009 Feb 24;470(1-3):80-84. doi: 10.1016/j.cplett.2009.01.025.
Abstract
The vibrations in the OCN stretching region of phenyl cyanate are examined by two-dimensional infrared spectroscopy. In water and THF, these spectra display three diagonal peaks having cross peaks characteristic of anharmonically coupled transitions. The pattern of the spectra is reproduced by coupling of two overtones with the OCN fundamental.
摘要
通过二维红外光谱研究了异氰酸苯酯中OCN伸缩区域的振动。在水和四氢呋喃中，这些光谱显示出三个对角峰，其具有非谐耦合跃迁特征的交叉峰。通过两个泛音与OCN基频的耦合再现了光谱的模式。
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