Ionic Liquids: First Direct Determination of their Cohesive Energy

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• 作者：Luí ; s M. N. B. F. Santos ; José ; N. Canongia Lopes ; Joã ; o A.P. Coutinho ; José ; M. S. S. Esperanç ; a ; Lí ; gia R. Gomes ; Isabel M. Marrucho ; Luí ; s P. N. Rebelo
• 刊名：Journal of the American Chemical Society
• 出版年：2007
• 出版时间：January 17, 2007
• 年：2007
• 卷：129
• 期：2
• 页码：284 - 285
• 全文大小：62K
• 年卷期：v.129,no.2(January 17, 2007)
• ISSN：1520-5126

文摘

Molar enthalpies of vaporization, 7be10001.gif"> of a homologous series of 1-alkyl-3-methylimidazolium bis(trifluoromethyl sulfonyl)imides, [C_nmim][NTf₂], (with 2 n 8) were directly determined for the first time. The results obtained in this study emphasize and constitute clear experimental support for the novel concept that these liquid salts are composed of polar and nonpolar domains; that is, they exhibit microphase segregation.