Tracking asymmetric intramolecular vibrational redistribution of nitromethane

Xiaosong Liu,Wei Zhang,Yunfei Song,Weilong Liu,Zhe Lv,Yanqiang Yang

Journal of Molecular Structure（2021）

引用 5|浏览21

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摘要

•Low frequency parent modes are selectively excited by time- and frequency-resolved CARS spectroscopy technique, unidirectional up-hill energy transfer is detected.•Vibrational energy transfer only occur among relevant modes or bands with same vibrational symmetry.•The efficiencies of up-hill energy redistribution decrease monotonically with the increase of the frequency differences are described.

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关键词

Selective excitation,Vibrational symmetry,Up-hill energy,Multiphonon up-pumping

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