Mid-Infrared Diode Laser Spectroscopy of X̃1A′ HC35Cl

Bor Chen Chang, Ruian Fei, Trevor J. Sears

研究成果: 雜誌貢獻期刊論文同行評審

28 引文 斯高帕斯(Scopus)

摘要

The observation of the C-Cl stretching fundamental of HC35Cl in its ground X̃ 1A′' state is reported. HCCl was formed in a continuous flow system by the excimer laser photolysis of CHBr2Cl at 193 nm and the transient absorption recorded by infrared diode laser spectroscopy. The band has a-type character and the fundamental vibrational frequency is found to be 811.5963 cm-1. No evidence was found for perturbations in either the ground or vibrationally excited states, implying that the excited triplet ̃3A″ states lies above the C-Cl stretching level in HCCl. The observed rotation-vibration transitions were well fit by a standard asymmetric rotor Hamiltonian. There is a decrease in the A rotational constant on vibrational excitation, suggesting that some bend-C-Cl stretch coupling is present.

原文???core.languages.en_GB???
頁(從 - 到)341-346
頁數6
期刊Journal of molecular spectroscopy
183
發行號2
DOIs
出版狀態已出版 - 6月 1997

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