Mid-infrared diode laser spectroscopy of (X)over-tilde(1)A' (HCCl)-Cl-35

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题名:	Mid-infrared diode laser spectroscopy of (X)over-tilde(1)A' (HCCl)-Cl-35
作者:	Chang,BC;Fei,RA;Sears,TJ
贡献者:	中央大學
关键词:	HCCL;TRANSITION;SPECTRUM;BANDS;GAPS;NU-2
日期:	1997
上传时间:	2010-06-29 19:48:20 (UTC+8)
出版者:	化學研究所
摘要:	The observation of the C-Cl stretching fundamental of (HCCl)-Cl-35 in its ground (X) over tilde(1)A' 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 (a) over tilde(3)A '' 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. (C) 1997 Academic Press.
關聯:	JOURNAL OF MOLECULAR SPECTROSCOPY
显示于类别:	[化學研究所] 期刊論文

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