Spectroscopic studies on crotonyl chloride and dimethyl acryl chloride |
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| Institution: | 1. Amgen Inc, Thousand Oaks, California;2. CenExel Clinical Research Center, Anaheim, California;3. Orange County Research Center, Tustin, California;4. Amgen Inc, Cambridge, Massachusetts;5. Amgen Inc, San Francisco, California;1. Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China;2. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;3. National Local Joint Engineering Laboratory of Engineering Applications of Microwave Energy and Equipment Technology, Kunming University of Science and Technology, Kunming 650093, China;4. National Engineering and Technology Research Center for Development & Utilization of Phosphate Resources, Kunming 650600, China;5. Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming 650500, China |
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| Abstract: | Infrared spectra of liquid samples of crotonyl chloride and dimethyl acryl chloride in the region 4000-600 cm−1 have been recorded along with the Raman spectra in the region 4000-100 cm−1. From CNDO/2 results and some band splitting, existence of conformers are inferred. A complete assignment of the spectra is made on the basis of reported spectral studies on related compounds and the relative variation of i.r. peak intensity with solvent polarity. Normal coordinate analysis of crotonyl chloride has been carried out for the first time. |
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