| 范德华复合物C6H5CH3…N2的共振双光子电离光谱 |
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| 引用本文： | 胡义华,吴怀选,王小涓,张兴初,杨世和. 范德华复合物C6H5CH3…N2的共振双光子电离光谱[J]. 物理化学学报, 2004, 20(2): 154-157. DOI: 10.3866/PKU.WHXB20040209 |
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| 作者姓名： | 胡义华 吴怀选 王小涓 张兴初 杨世和 |
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| 作者单位： | Department of Applied Physics, School of Continual Education, Guangdong University of Technology, Guangzhou 510090; Department of Chemistry, Hong Kong University of Science ＆ Technology, Kowloon, Hong Kong |
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| 基金项目： | 国家自然科学基金(20171014)资助项目~~ |
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| 摘 要： | 由复合物C6H5CH3…N2共振双光子电离光谱获得了复合物分子间范德华振动模式和N2的内转动的大量信息.通过对比同位素分子C6D5CD3…N2的光谱，我们合理地归属了所观察到的C6H5CH3…N2复合物的所有谱线.由光解离碎片的机理分析，推得复合物C6H5CH3…N2的激发态和基态的键能大约是494和474 cm－1，与理论计算值非常接近.
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| 关 键 词： | van der Waals振动 内转动 键能 |
| 收稿时间： | 2003-07-24 |
| 修稿时间： | 2003-07-24 |
Resonant Two- photon Ionization Spectra of the van der Waals Complex C6H5CH3… N2 |
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| Hu Yi-Hua Wu Huai-Xuan Wang Xiao-Juan Zhang Xing-Chu Yang Shi-He. Resonant Two- photon Ionization Spectra of the van der Waals Complex C6H5CH3… N2[J]. Acta Physico-Chimica Sinica, 2004, 20(2): 154-157. DOI: 10.3866/PKU.WHXB20040209 |
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| Authors: | Hu Yi-Hua Wu Huai-Xuan Wang Xiao-Juan Zhang Xing-Chu Yang Shi-He |
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| Affiliation: | Department of Applied Physics, School of Continual Education, Guangdong University of Technology, Guangzhou 510090; Department of Chemistry, Hong Kong University of Science ＆ Technology, Kowloon, Hong Kong |
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| Abstract: | The resonant two-photons ionization technique is employed to study jet-cooled van der Waals (vdW) complex C6H5CH3…N2 through the S1←S0 transition. By Comparing the spectra of isotopic complex C6D5CD3…N2, we have tentatively assigned all the observed spectral features to the complex C6H5CH3…N2. The rich information about the complex intermolecular vdW viberational modes and internal rotation of N2 are obtained by the spectra. The binding energies for the complex C6H5CH3…N2 in the excited electronic state and in the ground electronic state are about 494 cm－1 and 474 cm－1, those are very close to the calculated values. |
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| Keywords: | van der Walls vibrations Internal r otation Binding energy |
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