Campus Units
Chemistry
Document Type
Article
Publication Version
Published Version
Publication Date
7-15-2006
Journal or Book Title
Journal of Physical Chemistry A
Volume
110
Issue
31
First Page
9549
Last Page
9554
DOI
10.1021/jp0606964
Abstract
Steady-state and time-resolved Stokes shift data for the probe coumarin 153 in two imidazoles, six imidazolium-based ionic liquids, and several other solvents are presented. These results are consistent with our original suggestion (J. Phys. Chem. B 2004, 108, 10245−10255) that initial solvation is dominated by the organic moiety of the ionic liquid, and they show that for the imidazole-based liquids initial solvation is in all cases very rapid. Solvation by methylimidazole and butylimidazole is complete in 100 ps, and all of the imidazolium ionic liquids demonstrate similarly rapid initial solvation. Owing to the importance of determining the amount of initial solvation that is missed in a given experiment with finite time resolution, we discuss a method of estimating the intramolecular contribution to the reorganization energy. This method yields 2068 cm-1 and is compared with an alternative method.
Copyright Owner
American Chemical Society
Copyright Date
2006
Language
en
File Format
application/pdf
Recommended Citation
Headley, Lindsay Elizabeth Sanders; Mukherjee, Prasun; Anderson, Jared L.; Ding, Rongfang; Halder, Mintu; Armstrong, Daniel W.; Song, Xueyu; and Petrich, Jacob W., "Dynamic Solvation in Imidazolium-Based Ionic Liquids on Short Time Scales" (2006). Chemistry Publications. 293.
https://lib.dr.iastate.edu/chem_pubs/293
Comments
Reprinted (adapted) with permission from Journal of Physical Chemistry A 110 (2006): 9549, doi: 10.1021/jp0606964. Copyright 2006 American Chemical Society.