| CHClF2在强红外激光作用下C2*d3Пg态的形成机制 |
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| 引用本文： | 汪正民,杨立书,刘宗才,吴传秀,葛礼和.CHClF2在强红外激光作用下C2*d3Пg态的形成机制[J].物理学报,1987,36(3):391-394. |
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| 作者姓名： | 汪正民 杨立书 刘宗才 吴传秀 葛礼和 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所 |
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| 摘 要： | 用TEACO2激光辐照CHCIF2分子生成电子激发态C2*自由基,观察到斯旺带系的六个谱带。本文根据C2分子态位能曲线的特点,提出C2*d3Πg态的形成机制。C2是少数较特殊的分子之一,其激发态b3Σg-与第一激发态a关键词：
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| 收稿时间： | 5/5/1986 12:00:00 AM |
MECHANISM OF FORMATION OF C2* d3Пg STATE FROM CHCIF2 BY IRRADIATION WITH INTENSE IR LASER |
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| WANG ZHENG-MIN,YANG LI-SHU,LIU ZONG-CAI,WU CHUAN-XIU and GE LI-HE.MECHANISM OF FORMATION OF C2* d3Пg STATE FROM CHCIF2 BY IRRADIATION WITH INTENSE IR LASER[J].Acta Physica Sinica,1987,36(3):391-394. |
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| Authors: | WANG ZHENG-MIN YANG LI-SHU LIU ZONG-CAI WU CHUAN-XIU and GE LI-HE |
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| Abstract: | Electronically excited radicals C2* were formed from CHC1F2 molecules by irradiation with a TEA CO2 laser. Six bands of Swan system have been observed. The mechanism of the formation of C2*d3Πg state in the infrared multiphoton dissociation of CHC1F2 is presented based on the potential energy curves of the C2 molecule. C2 is a somewhat unnsual molecule, the state b3∑g- crosses the first excited state a3Πu at an internuclear distance of about 1.80?, and lies below it for greater nuclear separations. At first, the state b3∑g- is formed in the elementary step C + CF2 + M→C2* + F2 + M of the reactionsof the photoproducts of CHC1F2 in preference to the low-lying X1∑g+ and a3Πu states, and then undergoes a radiationless transition into the d3Πg state through crossing with the d3Πg,ν′= 6 level.
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