The statistics of electric field fluctuations in liquid water

Electric field fluctuations play a major role in dissociation reactions in liquid water and determine its vibrational spectroscopic response. Here, we study the statistics of electric fields in liquid water using molecular dynamics computer simulations with particular focus on the strong but rare fi...

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Bibliographic Details
Main Authors: Reischl, Bernhard, Kofinger, J., Dellago, C.
Format: Journal Article
Published: Taylor & Francis 2009
Online Access:http://hdl.handle.net/20.500.11937/17037
Description
Summary:Electric field fluctuations play a major role in dissociation reactions in liquid water and determine its vibrational spectroscopic response. Here, we study the statistics of electric fields in liquid water using molecular dynamics computer simulations with particular focus on the strong but rare fields that drive dissociation. Our simulations indicate that the important contributions to the electric field acting on OH bonds stem from water molecules less than 7 away. Long-ranged contributions play a minor role.