Vibrational anharmonicities revealed by coherent two-dimensional infrared spectroscopy

被引：256
|
作者：
Golonzka, O [1 ]
Khalil, M [1 ]
Demirdöven, N [1 ]
Tokmakoff, A [1 ]
机构：
[1] MIT, Dept Chem, Cambridge, MA 02139 USA
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 10期
关键词：
D O I：
10.1103/PhysRevLett.86.2154
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two-dimensional infrared photon echo spectroscopy has been used to describe the anharmonic nuclear potential of two coupled molecular vibrations. The two-dimensional spectrum shows diagonal and of diagonal features, each composed of two peaks. The splitting between these peaks is directly related to the anharmonicity, while the relative amplitude of the diagonal and off-diagonal features describes the projection angle between interacting dipoles.
引用
收藏
页码：2154 / 2157
页数：4
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