物理化学学报 >> 1996, Vol. 12 >> Issue (04): 382 -384 .doi: 10.3866/PKU.WHXB19960420

研究简报 上一篇    

紫外光激励产生高振动激发ν1模的NO2分子

李红志,李强,朱起鹤,孔繁敖   

  1. 中国科学院化学研究所分子反应动力学国家重点实验室，北京 100080
  • 收稿日期:1995-07-13 修回日期:1995-10-23 发布日期:1996-04-15
  • 通讯作者: 孔繁敖

Formation of High Vibrational ν1 States of NO2(X2,A1) Excited at 308nm

Li Hong-Zhi,Li Qiang,Zhu Qi-He,Kong Fan-Ao   

  1. The State Key Laboratory of Molecular Reaction Dynamics,Institute of Chemistry,Chinese Academy of Science,Beijing 100080
  • Received:1995-07-13 Revised:1995-10-23 Published:1996-04-15
  • Contact: Kong Fan-Ao

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关键词: 红外发射谱, 高振动激发

Abstract:

 The photon-excited NO2 at 308 nm has been investigated by Time-Resolved FTIR spectroscopy. The IR fluorescence from highly excited NO2(X2 A1) in ν1 vibrational mode has been observed. These excited states are resulted from the strong vibronic mixing of electronic excited A2 B2/B2 B1 states with the ground X2 A1 state. It is considered that symmetric stretching ν1 mode is reserved from the photolysis because its vibrational style is unsuitable for dissociation.

 

Key words: IR emission spectroscopy, Highly excited vibrational state