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Citation: Gao Yi-De, Hu Chang-Jin, Ran Qin, Chen Yang, Chen Cong-Xiang. Laser Induced Fluorescence Excitation Spectra of CCl₂ in a Supersonic Jet-cooled[J]. Acta Physico-Chimica Sinica, ;2002, 18(02): 112-116. doi: 10.3866/PKU.WHXB20020204 shu

Laser Induced Fluorescence Excitation Spectra of CCl₂ in a Supersonic Jet-cooled

1.
Open Laboratory of Bond Selective Chemistry,Department of Chemical physics,University of Science and Technology of China ,Hefei ,　230026

Received Date: 3 July 2001
Available Online: 15 February 2002

Laser induced fluorescence excitation spectrum of － 1A1 between 420～600 nm has been measured under the supersonic free-jet conditions.CCl2 was produced by dc discharge of CCl4 seeded in Ar n gas with a ratio of 1/50.81 vibronic bands belonging to the different band systems were assigned,in which 56 vibronic bands were first labeled.Comparing LIF excitation spectra of supersonic jet-cooled CCl2 with LIF excitation spectra of CCl2 at room temperature and under total pressure about 150 Pa, we preliminarily verified the electronic state band origin to be 17 255.04 cm－1.
- CCl₂ radical;Supersonic jet-cooled;Laser induced fluorescence (LIF) excitation spectra;Electronic state band origin
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Laser Induced Fluorescence Excitation Spectra of CCl2 in a Supersonic Jet-cooled

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Laser Induced Fluorescence Excitation Spectra of CCl₂ in a Supersonic Jet-cooled