用交叉分子束研究O（^3P）与CF2=CFCl,CF2=CFBr,CF2=CH2的反应  

A molecular Beam Study of the Reactions of Oxygen Atoms with CF_2=CFCl,CF_2=CFBr and CF_2 =CH_2

作　　者：史济良[1] 李方琳 周士康[2] 詹明生[2] 邱元武[3] 

机构地区：[1]中国科学院上海有机化学研究所,上海200032 [2]中国科学院安徽光学精密机械研究所激光光谱实验室,合肥230031 [3]同济大学物理系,上海200092

出　　处：《化学学报》1996年第5期422-426,共5页Acta Chimica Sinica

基　　金：国家自然科学基金资助的课题.

摘　　要：本文报道在交叉分子束装置中，研究氧原子和ＣＦ２＝ＣＦＣｌ，ＣＦ２＝ＣＦＢｒ，ＣＦ２＝ＣＨ２的反应，在Ｏ（＾３ｐ）与ＣＦ２＝ＣＦＢｒ（或ＣＦ２＝ＣＦＢｒ）反应中，首次观察到反应生成的ＣＦ２（＾３Ｂ１）的发射光谱，而在Ｏ与ＣＦ２＝ＣＨ２反应中，用激光诱导荧光方法检测到ＣＦＨ卡宾，确定了在此反应中ＣＦＨ卡宾的生成，这一结果未见文献报道，并根据这些结果，分析和讨论了在这些反应中。The reactions of oxygen atoms with CF2 = CFCl, CF2 = CFBr and CF2 = CH2 have been investigated by crossing molecular beam apparatus. The paper reported that the emission spectrum of CF2(3B1) carbene produced by the reaction of O(3p) + CF2 = CFCl(or CF2 = CFBr) has been observed and the CFH carbene produced by the reaction of O(3p) + CF2 = CH2 has been identified by laser induced fluorescence spectrum, respectively for the first time. Otherwise, these reactive mechanisms were analyzed and discussed simultaneously in this paper.

关 键 词：交叉分子束 化学发光 激光诱导荧光 卡宾 

分 类 号：O643.12[理学—物理化学]