| Si(CH3)2Cl2分子的电离电势和化学键能的测定 |
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| 引用本文： | 盛六四,齐飞,张允武,陈文武,王朝晖,丁传凡,孔繁敖. Si(CH3)2Cl2分子的电离电势和化学键能的测定[J]. 物理化学学报, 1995, 11(10): 870-872. DOI: 10.3866/PKU.WHXB19951002 |
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| 作者姓名： | 盛六四 齐飞 张允武 陈文武 王朝晖 丁传凡 孔繁敖 |
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| 作者单位： | National Laboratory of Synchrotron Radiation,University of Science and Technology of China,Hefei 230026,The State Key Laboratory of Molecular Reaction Dynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080 |
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| 基金项目： | 国家自然科学基金，国家同步辐射实验室开放基金 |
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| 摘 要： | 有机硅化合物是半导体工业中产生硅元件的基本原料和有机合成中的重要试剂，是多年来大家研究较多的分子体系之一．本文报导了用同步辐射加速器产生的真空紫外光，电离St（CH3hCI。分子．在50－120n－m波长范围内，测量了各种离子产物与真空紫外光波长的关系，推算得它的绝热电离电势和离子中几个化学键的键能．1实验装置和方法本工作在国家同步辐射实验室光化学实验站进行．进行分子真空紫外光电离研究的实验系统已在文献山中详细描述．同步辐射加速器产生的真空紫外光波长用Ne气的电离势标定，其误差＜士0－Inln．单色仪的分辨率为河凸…
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| 关 键 词： | Si(CH3)2Cl2 同步辐射 光电离 电离电势 化学键键能 |
| 收稿时间： | 1995-06-30 |
| 修稿时间： | 1995-07-25 |
The Measurement of the lonization Potential and the Bond Energy Si(CH_3)_2Cl_2 |
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| Shen Liusi, Qi Fei, Zhang Yunwu. The Measurement of the lonization Potential and the Bond Energy Si(CH_3)_2Cl_2[J]. Acta Physico-Chimica Sinica, 1995, 11(10): 870-872. DOI: 10.3866/PKU.WHXB19951002 |
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| Authors: | Shen Liusi Qi Fei Zhang Yunwu |
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| Affiliation: | National Laboratory of Synchrotron Radiation,University of Science and Technology of China,Hefei 230026|The State Key Laboratory of Molecular Reaction Dynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | The vacuum ultraviolet photoionization spectrum of Si(CH3)2Cl2 has been obtained with synchrotron radiation source. The adiabatic ionization potential of Si(CH3)2Cl2 is 10.62±0.03eV (0.37eV lower than reported by PES), and the appearance potentials for Si(CH3)Cl2, Si(CH3)2Cl+, SiCH3+ and SiCl+ are 11.25±0.03eV,12.69±0.04eV, 15. 1±0.1eV and 21.16eV±0.1eV respectively. From these results, we estimate D(Si(CH3)Cl2+-CH3)=0.63±0.03eV and D(Si(CH3)2Cl+-Cl))=2.07±0.04eV. |
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| Keywords: | Si(CH_3)2Cl_2 Syrchrotron radiation Photoionization Ionization potential Chemical bond energy |
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