Properties and Intermolecular Forces of Ionic Liquid Mixtures: The Archetypical Case of [EMIM][BF4] + [EMIM][EtSO4]

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Ylenia F. Rodríguez, Santiago Aparicio, Jose L. Trenzado
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引用次数: 0

Abstract

The properties and nanostructure of the Double Salt–Ionic Liquid formed by the combination of [1-ethyl-3-methylimidazolium][BF4] and [1-ethyl-3-methylimidazolium][EtSO4] in the whole composition range are studied by a combined experimental and molecular simulation approach. The measured physicochemical properties were analyzed in terms of deviations of ideality and its relationships with intermolecular forces. Quantum chemistry calculations of model clusters were carried out to infer nanoscopic aggregations, considering several mechanisms of interactions. Classical molecular dynamics simulations were carried out as a function of mixture composition, pressure, and temperature, allowing one to characterize structural, dynamic, and energetic properties of the considered mixed ionic liquids. The possible mechanisms of interaction of the involved molecules with biological targets, proteins, and model cell membranes were also computationally studied to infer molecular level roots of toxicological effects of mixtures of ionic liquids. This multiapproach–multiscale study provides for the first time a global characterization of mixtures of ionic liquids.

Abstract Image

离子液体混合物的性质和分子间作用力:[EMIM][BF4] + [EMIM][EtSO4]的典型例子
采用实验与分子模拟相结合的方法,研究了[1-乙基-3-甲基咪唑][BF4]和[1-乙基-3-甲基咪唑][EtSO4]在整个组成范围内组合形成的双盐离子液体的性质和纳米结构。根据理想偏差及其与分子间作用力的关系,分析了所测得的物理化学性质。考虑了几种相互作用机制,对模型团簇进行了量子化学计算以推断纳米级聚集。经典分子动力学模拟作为混合物组成、压力和温度的函数进行,允许人们表征所考虑的混合离子液体的结构、动力学和能量特性。相关分子与生物靶点、蛋白质和模型细胞膜相互作用的可能机制也进行了计算研究,以推断离子液体混合物毒理学效应的分子水平根源。这种多方法、多尺度的研究首次提供了离子液体混合物的全局表征。
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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