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中国物理学会期刊

超声射流冷却CCl2自由基的激光诱导荧光激发谱

CSTR: 32037.14.aps.40.885

LASER-INDUCED FLUORESCENCE EXCITATION SPECTRUM OF CCl2 COOLED IN THE SUPERSONIC JET

CSTR: 32037.14.aps.40.885
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  • 在497—517nm波长范围观测超声射流冷却CCl2自由基的激光诱导荧光激发谱。得到CCl2在?←X跃迁中(v1,v2,0)←(0,0,0)振动带清晰的K结构。对近80个子谱带作了归属。振动分析给出较精确的v'1和v'2振动频率和非谐性常数;从K结构的分析得出(A'-B')和(A″-B″)的值,文献未曾报道过。

     

    Laser-induced fluorescence excitaion spectrum of gas-phase dichlocarbene (CC12) cooled in the supersonic jet has been observed in the range of 497-517 nm. The K-structrue of the (v1,v2,0)-(0,0,0) vibrational bands was resolved. About 80 su-bbands were assigned. v'1= 643.5cm-1, v'2 = 308.0cm-1 and the anharmonic costants, and (A'-B') = 3.67cm-1, (A" - B") = 1.80cm-1 were obtained from the analysis of spectra.

     

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