Aggregation induced spectral splitting and Fermi resonance of Ethylene Carbonate in binary mixture

Zian Wang, Keji Yu,Yanying Zhao,Jiadan Xue,Caiying Jiang,Huigang Wang,Huizhen Wu

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2022）

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摘要

•Four frequencies have been observed in the iso and aniso Raman spectra of EC.•Fermi constant W, NCE value V1 and V2 have been determined at different concentration.•Dimer structure and DFT calculations can reproduce the NCE and concentration effects.

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关键词

Dimer,Aggregation-induced spectral splitting,Intermolecular interaction,Fermi resonance,DFT calculations

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