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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-36022

Marsalek, O; Frigato, T; VandeVondele, J; Bradforth, S E; Schmidt, B; Schutte, C; Jungwirth, P (2010). Hydrogen forms in water by proton transfer to a distorted electron. Journal of Physical Chemistry. B, 114(2):915-920.

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Solvated electrons are ubiquitous intermediates in radiation-induced processes, with their lifetime being determined by quenching processes, Such as the direct reaction with protons under acidic conditions. Ab initio molecular dynamics simulations allow its to unravel with molecular resolution the ultrafast reaction mechanism by which the electron and proton react in water. The path to a Successful reaction involves a distortion and contraction of the hydrated electron and a rapid proton motion along a chain of hydrogen bonds, terminating on the water molecule most protruding into the electron cloud. This fundamental reaction is thus decidedly shown to be of a proton-transfer rather than electron-transfer character. Due to the desolvation penalty connected with breaking of the hydration shells of these charged particles, the reaction is, however, not diffusion-limited, in agreement with the interpretation of kinetics measurements.


23 citations in Web of Science®
23 citations in Scopus®
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189 downloads since deposited on 23 Dec 2010
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Deposited On:23 Dec 2010 12:04
Last Modified:05 Apr 2016 14:15
Publisher:American Chemical Society
Additional Information:This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Physical Chemistry. B, copyright © American Chemical Society after peer review and technical editing by the publisher.
Publisher DOI:10.1021/jp908986z

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