首页> 外文会议>NATO Advanced Research Workshop on Hydrogen Materials Science and Chemistry of Carbon Nanomaterials; 20030914-20; Sudak, Crimea(UA) >VIBRATIONAL SPECTRA AND MOLECULAR STRUCTURE OF THE HYDROFULLERENES C_(60)H_(18), C_(60)D_(18), AND C_(60)H_(36) AS STUDIED BY IR AND RAMAN SPECTROSCOPY AND FIRST-PRINCIPLE CALCULATIONS
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VIBRATIONAL SPECTRA AND MOLECULAR STRUCTURE OF THE HYDROFULLERENES C_(60)H_(18), C_(60)D_(18), AND C_(60)H_(36) AS STUDIED BY IR AND RAMAN SPECTROSCOPY AND FIRST-PRINCIPLE CALCULATIONS

机译:红外和拉曼光谱及第一性原理研究的富勒烯C_(60)H_(18),C_(60)D_(18)和C_(60)H_(36)的振动光谱和分子结构

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摘要

IR and Raman spectra of hydrofullerenes C_(60)H_(18), C_(60)H_(36), and deuterofullerene C_(60)D_(18), were thoroughly studied by the conjunction of experimental and computational technique. A perfect correspondence achieved between the first-principle calculations and the observed vibrational spectra for C_(60)H_(18) molecule resulted in a complete assignment of both light and heavy isotopomers spectra. An extended search of the C_(60)H_(36) stable isomeric structures was performed in the frames of PM3 and DFT levels of a theory. Vibrational spectra for 30 most stable isomers were computed and the structure of two dominant C_(60)H _(36) isomers was determined. Interpretation of the experimental spectra as a 3:1 superposition of the C_1 and C_3 isomers features was fulfilled.
机译:通过实验和计算技术对水富勒烯C_(60)H_(18),C_(60)H_(36)和氘代富勒烯C_(60)D_(18)的红外光谱和拉曼光谱进行了深入研究。在第一性原理计算和C_(60)H_(18)分子的观察到的振动光谱之间实现了完美的对应关系,导致轻和重同位素异构体光谱得到完全分配。对C_(60)H_(36)稳定异构结构的扩展搜索是在理论的PM3和DFT级别的框架中进行的。计算了30个最稳定的异构体的振动光谱,并确定了两个主要的C_(60)H _(36)异构体的结构。实验光谱作为C_1和C_3异构体特征的3:1叠加得到了解释。

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