| 超声射流冷却CCl2自由基的激光诱导荧光激发谱 |
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| 引用本文： | 陈旸,陆庆正,王冬青,盛六四,王鸿飞,张允武,俞书勤,马兴孝.超声射流冷却CCl2自由基的激光诱导荧光激发谱[J].物理学报,1991,40(6):885-890. |
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| 作者姓名： | 陈旸 陆庆正 王冬青 盛六四 王鸿飞 张允武 俞书勤 马兴孝 |
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| 作者单位： | 中国科学技术大学近代化学系,合肥,230026 |
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| 基金项目： | 国家自然科学基金;中国科学院资助的课题 |
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| 摘 要： | 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。
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| 关 键 词： | CCl2 自由基 激光诱导荧光 激发谱 |
| 收稿时间： | 1990-08-20 |
LASER-INDUCED FLUORESCENCE EXCITATION SPECTRUM OF CCl2 COOLED IN THE SUPERSONIC JET |
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| CHEN YANG,LU QING-ZHENG,WANG DONG-QING,SHEN LIU-SI,WANG HONG-FEI,ZHANG YUN-WU,YU SHU-QIN and MA XING-XIAO.LASER-INDUCED FLUORESCENCE EXCITATION SPECTRUM OF CCl2 COOLED IN THE SUPERSONIC JET[J].Acta Physica Sinica,1991,40(6):885-890. |
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| Authors: | CHEN YANG LU QING-ZHENG WANG DONG-QING SHEN LIU-SI WANG HONG-FEI ZHANG YUN-WU YU SHU-QIN and MA XING-XIAO |
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| Abstract: | 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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