Articles written in Journal of Chemical Sciences
Volume 106 Issue 6 November 1994 pp 1297-1306
Ionic and dipolar solvation dynamics in liquid water
Nilashis Nandi Srabani Roy Biman Bagchi
The solvation time correlation function for solvation in liquid water was measured recently. The solvation was found to be very fast, with a time constant equal to 55 fs. In this article we present theoretical studies on solvation dynamics of ionic and dipolar solutes in liquid water, based on the molecular hydrodynamic approach developed earlier. The molecular hydrodynamic theory can successfully predict the ultrafast dynamics of solvation in liquid water as observed from recent experiments. The present study also reveals some interesting aspects of dipolar solvation dynamics, which differs significantly from that of ionic solvation.
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