The solvation of iodine anions in water clusters: PES studies |
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Authors: | Gil Markovich Stuart Pollack Rina Giniger Ori Cheshnovsky |
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Institution: | 1. School of Chemistry, Tel-Aviv University, 69978, Tel-Aviv, Israel
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Abstract: | We have measured the photoelectron-spectra of I? (H2O)n clusters in the size range n=1–60. We have found that the first six water molecules form a solvation layer with an average 0.35 eV electrostatic stabilization of the anion. At larger cluster sizes the electrostatic stabilization of water does not fit a continuous dielectric solvent. The most stable structures of the clusters consist of internally solvated anions. In the size range n=34–40 we have found evidence for existence of cluster structures with surface solvated anions. |
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