Theoretical studies of Li(H2O)19+, Li(H2O)20+ and Li(H2O) 21+ clusters

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Abstract

Li(H2O)19-21+ clusters with broken and distorted dodecahedral cages (metal in cavity) are studied by optimizing geometry at the B3LYP/6-311++G ** level. The stabilization energy per monomer (SEP) for the Li(H2O)19+ cluster (15.2 kcal/mol) is almost the same as that for the Li(H2O)20+ cluster (15.1 kcal/mol) with a relatively large drop in the SEP value to 14.8 kcal/mol for the Li(H2O)21+ cluster. While Li in Li(H2O)20+ is negatively charged, it is neutral in Li(H2O)19+, and may favor the formation of Li(H2O)20+ over Li(H2O)19+ and hence, a magic peak in mass spectrum is expected at Li(H2O)20+.

Original languageEnglish (US)
Pages (from-to)71-74
Number of pages4
JournalChemical Physics Letters
Volume408
Issue number1-3
DOIs
StatePublished - Jun 7 2005

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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