Solvent effects on infrared spectra of 2-acetylthiophene in organic solvents |
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Authors: | Liu Qing Xu Xiaomin Sang Wenqiang |
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Institution: | Department of Chemistry, Zhejiang University, 310027, Hangzhou, People's Republic of China. lq2001@mail.hz.zj.cn |
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Abstract: | Infrared spectroscopy studies of 2-acetylthiophene (ACTH) in 18 different organic solvents, both polar and non-polar, were undertaken to investigate the solvent-solute interactions. The frequencies of carbonyl stretching vibration upsilon(C=O) of ACTH were correlated with the properties such as the solvent acceptor number (AN) and the linear solvation energy relationships (LSER). The solvent-induced stretching vibration frequency shifts showed a better correlation with the LSER than the AN. A six-membered ring-like hydrogen bonding structure was presented and the solvent effects of ACTH in alcohol solvents were investigated in detail. |
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