{"title":"Etude par spectroscopie infrarouge de la coordination et de l'adsorption de (CD3)2CHOH. I - coordination avec des acides de lewis","authors":"J.P. Gallas, C. Binet","doi":"10.1016/0378-4487(82)80045-9","DOIUrl":null,"url":null,"abstract":"<div><p>The A ← 0(H)CH(CD<sub>3</sub>)<sub>2</sub> and A ← (CD<sub>3</sub>)<sub>2</sub>CHOH]<sub>2</sub> interactions were shown by an infrared study of complexes in carbon tetrachloride solutions, where A is a Lewis acid : SbCl<sub>5</sub>, AlCl<sub>3</sub>, AlBr<sub>3</sub>, SnCl<sub>4</sub>, BF<sub>3</sub>, Eu(fod)<sub>3</sub>, ICl, I<sub>2</sub> and S0<sub>2</sub>. In the coordination, the ν(OH) and ν(CO) frequencies decrease and the intensities increase, it is the opposite trend for the ν(CH) vibration ; the ν(CD<sub>3</sub>) band appears as a doublet ; there is no significant effect on the γ(CH) and {δ(CH), δ(OH)} frequencies. The complexation enthalpies, for Brönsted or Lewis acids, and the Δ<span><math><mtext>ν</mtext></math></span>(CH) shifts are linearly correlated.</p></div>","PeriodicalId":100049,"journal":{"name":"Advances in Molecular Relaxation and Interaction Processes","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4487(82)80045-9","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Molecular Relaxation and Interaction Processes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0378448782800459","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
The A ← 0(H)CH(CD3)2 and A ← (CD3)2CHOH]2 interactions were shown by an infrared study of complexes in carbon tetrachloride solutions, where A is a Lewis acid : SbCl5, AlCl3, AlBr3, SnCl4, BF3, Eu(fod)3, ICl, I2 and S02. In the coordination, the ν(OH) and ν(CO) frequencies decrease and the intensities increase, it is the opposite trend for the ν(CH) vibration ; the ν(CD3) band appears as a doublet ; there is no significant effect on the γ(CH) and {δ(CH), δ(OH)} frequencies. The complexation enthalpies, for Brönsted or Lewis acids, and the Δ(CH) shifts are linearly correlated.
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