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| Si(CH3)3Cl分子电离电势和化学键能的测定 | |
| 引用本文： | 陈文武,盛六四,丁传凡,齐飞,张允武,孔繁敖.Si(CH3)3Cl分子电离电势和化学键能的测定[J].物理化学学报,1996,12(6):560-563. |
| 作者姓名： | 陈文武 盛六四 丁传凡 齐飞 张允武 孔繁敖 |
| 作者单位： | The State Key Laboratory of Molecular Reaction Dynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080,National Laboratory of Synchrotron Radiation,University of Science and Technology of China,Hefei 230026 |
| 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 |
| 摘 要： | |
| 关 键 词： | Si(CH3)3Cl 同步辐射 真空紫外光电离 电离电势 化学键键能 |
| 收稿时间： | 1995-10-04 |
| 修稿时间： | 1995-12-05 |
The Measurement of Adiabatic Ionization Potential of Si(CH_3)_3Cl and Chemical Bond Energies of Si(CH_3)_3 Cl~ |
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| Chen Wen-Wu,Sheng Liu-Si,Ding Chuan-Fan,Qi Fei,Zhang Yun-Wu,Kong Fan-Ao.The Measurement of Adiabatic Ionization Potential of Si(CH_3)_3Cl and Chemical Bond Energies of Si(CH_3)_3 Cl~[J].Acta Physico-Chimica Sinica,1996,12(6):560-563. | |
| Authors: | Chen Wen-Wu Sheng Liu-Si Ding Chuan-Fan Qi Fei Zhang Yun-Wu Kong Fan-Ao |
| Institution: | The State Key Laboratory of Molecular Reaction Dynamics,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080|National Laboratory of Synchrotron Radiation,University of Science and Technology of China,Hefei 230026 |
| Abstract: | The photoionization spectroscopy of Si(CH3)3Cl in the range of 50 -130 nm was studied with synchrotron radiation source. The adiabatic ionization potentials of molecule Si(CH3)3Cl and radical Si(CH3)3 are 10.06 ±0.02 eV and 7.00±0.03 eV respectively. In addition, the appearance potentials of Si(CH3)2Cl+, Si(CH3)3+, SiCl+ and SiCH3+ were determined: AP(Si(CH3)2Cl+) ＝10.49±0.02eV, AP(Si(CH3)3+) ＝ 11.91 ±0.02eV AP(SiCl+) ＝ 18.64 ±0.06eV, AP(SiCH3+)＝ 18.62 ±0.02eV From these, some chemical bond energies of Si(CH3)3Cl+ were calculated: D(Si(CH3)2Cl+ - CH3) ＝0.43 ±0.02eV, D(Si(CH3)3+ - Cl) ＝ 1.85 ± 0.02eV D(SiCH3+ - (2CH3 ＋ Cl)) ＝ 8.56 ± 0．06eV, D(SiCH3+ - 2CH3) ＝6.71±0．06eV D(SiCl+ - 3CH3) ＝ 8.58 ± 0.06eV, D(SiCl＋- 2CH3) ＝ 8.15 ±0.06eV D(SiCH3+- (CH3 ＋ Cl)) ＝8.13 ±0.06eV |
| Keywords: | Si(CH_3)_3Cl Synchrotron radiation Ultraviolent photoionization Ionization potential The dissociated energy of chemical bond |
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