{"title":"Matrix Isolation and Computational Study on the Photolysis of CHCl2COCl","authors":"Nobuaki Tanaka","doi":"10.4236/OJPC.2014.43014","DOIUrl":null,"url":null,"abstract":"UV light photolysis of \ndichloroacetyl chloride (CHCl2COCl) has been investigated by \ninfrared spectroscopy in cryogenic Ar, Kr, Xe, and O2 matrices. The formation of CHCl3 and CO was found to be the dominant \nprocess over the ketene formation. The C-C bond cleaved products CHCl2 and COCl were also observed. As the \nnumber of the chlorine atom substitution to methyl group of acetyl chloride \nincreased, the C-C bond cleaved product yield in the triplet state increased, \nwhich can be attributed to an internal heavy-atom effect where the intersystem \ncrossing rate was enhanced.","PeriodicalId":59839,"journal":{"name":"物理化学期刊(英文)","volume":"2014 1","pages":"117-125"},"PeriodicalIF":0.0000,"publicationDate":"2014-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"物理化学期刊(英文)","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.4236/OJPC.2014.43014","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
UV light photolysis of
dichloroacetyl chloride (CHCl2COCl) has been investigated by
infrared spectroscopy in cryogenic Ar, Kr, Xe, and O2 matrices. The formation of CHCl3 and CO was found to be the dominant
process over the ketene formation. The C-C bond cleaved products CHCl2 and COCl were also observed. As the
number of the chlorine atom substitution to methyl group of acetyl chloride
increased, the C-C bond cleaved product yield in the triplet state increased,
which can be attributed to an internal heavy-atom effect where the intersystem
crossing rate was enhanced.
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