首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >A Systematic Theoretical Study on the Acidities for Cations of Ionic Liquids in Dimethyl Sulfoxide
【24h】

A Systematic Theoretical Study on the Acidities for Cations of Ionic Liquids in Dimethyl Sulfoxide

机译:二甲基亚砜离子液体阳离子酸性的系统理论研究

获取原文
获取原文并翻译 | 示例
           

摘要

The acidities of 40 commonly seen cations of ionic liquids (CILs) in dimethyl sulfoxide (DMSO) were investigated by a well-established theoretical method, SMD/M06-2X/6-311++G (2df,2p)//B3LYP/6-31+G(d). The calculated pK(a)'s agree excellently with the available experimental data and range from 20.0 to 45.8 with an acidity order of 1,3-dialkylimidazolium amidinium pyridinium tetraalkylphosphonium morpholinium pyrrolidinium approximate to piperidinium guanadinim cations. The established acidity scale in this work provides a useful tool, as verified by the acidity comparisons, to assess the stability of ILs under various extent basic conditions, and also reveals the relative basicity of several classical N-heterocyclic carbenes and olefins as well as ylides.
机译:通过良好的理论方法,SMD / M06-2X / 6-311 ++ G(2DF,2P)// B3LYP /,研究了40个二甲基亚砜(DMSO)中的离子液体(CIL)的常见阳离子的离子液体(CIL)的阳离子。/ 6-31 + g(d)。 计算出的PK(a)的同意与可用的实验数据同意,范围为20.0至45.8,酸度令的酸度为1,3-二烷基咪唑鎓& amidinium& 吡啶鎓& 四烷基膦酸铵& 吗啉化& 吡咯烷近似哌啶in& 瓜丹尼姆阳离子。 本工作中所建立的酸度标度提供了一种有用的工具,如酸度比较所验证的,以评估ILS在各种范围的基本条件下的稳定性,并且还揭示了几种典型的N-杂环碳酸酯和烯烃以及叶片的相对碱度 。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号