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| Study on the molecular structure of acetone |
| Zuo Kaiya1, Li Shuangfan2, Li Yuhan2, Duan Bingjie2, Li Minhui2, Du Linnan2,3,4 |
| 1. Hebei Yipin Pharmaceutical Corporation Ltd., Shijiazhuang 050000, China; 2. Shijiazhuang University, College of Chemical Technology, Shijiazhuang 050035, China; 3. Shijiazhuang Key Laboratory of Medicinal Polymer Materials, Shijiazhuang 050035, China; 4. Anesthetic Technology Innovation Center of Hebei Province, Shijiazhuang 050035, China |
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Abstract The molecular structure of acetone was explored. The infrared (MIR) spectroscopy experiments (including one-dimensional MIR spectroscopy, derivative MIR spectroscopy and deconvolution MIR spectroscopy) on the structure of acetone molecules were conducted. The results showed that the infrared absorption modes of acetone molecular structure include: the frequency doubling (2 (ν■) of the stretching vibration mode of C=O functional group ((ν■), asymmetric stretching vibration mode of CH3 functional group (ν■), CH3 functional group symmetric stretching vibration mode (ν■), C=O functional group stretching vibration mode (ν■), asymmetric bending vibration mode of CH3 functional group (δ■), symmetric bending vibration mode of CH3 functional group (δ■). The spectral resolution of one-dimensional MIR and deconvolution MIR spectra of acetone molecular structure is superior to derivative MIR spectra, which can provide richer spectral information. There is no significant keto-enol tautomerism observed in the molecular structure of acetone. MIR spectroscopy can quickly conduct research on the molecular structure of acetone.
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