Bhargava, B. L. ; Balasubramanian, S. (2006) Intermolecular structure and dynamics in an ionic liquid: a Car-Parrinello molecular dynamics simulation study of 1,3-dimethylimidazolium chloride Chemical Physics Letters, 417 (4-6). pp. 486-491. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.cplett.2005.10.050
Abstract
Ab initio molecular dynamics (AIMD) and classical molecular dynamics (MD) simulations of the room temperature ionic liquid (RTIL), 1,3-dimethylimidazolium chloride, were performed in order to study its intermolecular structure and dynamics. Differences in the spatial distribution of chloride ions around the cation between AIMD and MD data are explained as due to the formation of a hydrogen bond between the acidic hydrogen on the imidazolium ring and the chloride ion. A strong interaction between theΠ electron clouds of neighboring imidazolium rings enables the ring planes to be aligned nearly parallel to each other. The cation-anion hydrogen bond present in the melt is observed as a red shift in the C-H stretching frequency.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
ID Code: | 79835 |
Deposited On: | 30 Jan 2012 04:49 |
Last Modified: | 30 Jan 2012 04:49 |
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