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中文摘要：
测量了四氯化碳在苯中不同浓度的拉曼光谱,分析了不同浓度下四氯化碳v1＋v4～v3费米共振的变化。结果表明：随着浓度的降低,两费米双光谱强度比R增加,而频差Δ减小、费米共振耦合系数W减小、非谐力常数K增加。这种费米共振随浓度的变化是由溶剂效应引起的,即随着四氯化碳在苯中的浓度降低,其拉曼散射系数（光谱强度）增加,使两费米双线光谱强度增加而减弱了费米共振。
英文摘要：
The Raman spectra of CCl4 diluted with C6H6 at different volume fractions have been measured.We have calculated the v1＋v4～v3 Fermi resonance parameters of CCl4 in C6H6 at different volume fractions according to the Bertran equations.It turns out to be that with the decreasing concentration of CCl4,the ratio of intensities of Fermi doublets,R increase,while all the other Fermi resonance parameters decrease.This phenomenon can be accounted for the solvent effect.The Raman scattering coefficients of CCl4 in C6H6 decrease with the CCl4 volume fraction,which can be attributed to the enhancement of the v1＋v4～v3 Fermi resonance of CCl4.
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