Journal
JOURNAL OF MOLECULAR GRAPHICS & MODELLING
Volume 36, Issue -, Pages 36-41Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jmgm.2012.03.005
Keywords
Ionic liquids; Thiophene; Electronic properties; Topological properties; Density functional theory; Desulfurization
Categories
Funding
- Natural Science Foundation of China [51103179, 20706060]
- Important Project of Science and Technology in Developing Great Oil & Gas Field and Coal Bed Gas [2011ZX05051]
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Density functional calculations have been performed to explore the interactions of thiophene and two ionic liquids of 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM](+)[PF6](-)) and 1-butyl3-methylimidazolium tetrafluoroborate ([BMIM](+)[BF4](-)). The electronic properties and topological properties of [BMIM](+)[PF6](-)-thiophene and [BMIM](+)[BF4](-)-thiophene were analyzed. The calculated results reveal that the dominant interactions of C2-H2 center dot center dot center dot F hydrogen bonds in [BMIM](+)[PF6](-) or [BMIM](+)[BF4](-) were not destroyed by the thiophene interactions with [BMIM](+)[PF6](-) and [BMIM](+)[BF4](-). The C-H ([BMIM](+))center dot center dot center dot pi (thiophene) hydrogen bonds and H(thiophene)center dot center dot center dot F([PF6](-) or [BF4](-)) hydrogen bonds play crucial roles in the adsorption of thiophene on [BMIM](+)[PF6](-) and [BMIM](+)[BF4](-) (C) 2012 Elsevier Inc. All rights reserved.
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