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Science 16 December 2005:
Vol. 310. no. 5755, p. 1769
DOI: 10.1126/science.1119113
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Technical Comments

Comment on "Characterization of Excess Electrons in Water-Cluster Anions by Quantum Simulations"

J. R. R. Verlet,1 A. E. Bragg,2 A. Kammrath,1 O. Cheshnovsky,3 D. M. Neumark1,4*

The conclusion by Turi et al. (Reports, 5 August 2005, p. 914) that all experimental spectral and energetic data on water-cluster anions point toward surface-bound electrons is overstated. Comparison of experimental vertical detachment energies with their calculated values for (H2O) n– clusters with surface-bound and internalized electrons supports previous arguments that both types of clusters exist.

1 Department of Chemistry, University of California, Berkeley, CA 94720, USA.
2 Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095–1569, USA.
3 School of Chemistry, The Sacker Faculty of Exact Sciences, Tel-Aviv University, 69978 Israel.
4 Chemical Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

* To whom correspondence should be addressed. E-mail: dneumark{at}berkeley.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Mass Spectrometry Special Feature: Nanocalorimetry in mass spectrometry: A route to understanding ion and electron solvation.
W. A. Donald, R. D. Leib, J. T. O'Brien, A. I. S. Holm, and E. R. Williams (2008)
PNAS 105, 18102-18107
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