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Energy effects on cluster ion distributions: beam expansion and thermochemical studies on mixed clusters of methanol and acetonitrile

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
185
Identifiers
DOI: 10.1016/s0009-2614(91)85046-y
Disciplines
  • Chemistry

Abstract

Abstract We report the results of joint beam expansion and thermochemical studies on protonated clusters containing hydrogen-bonded chains of methanol and acetonitrile. The cluster distributions show a predominant sequence with the composition H +(CH 3OH) n (CH 3CN) 2, where the solvent shells are completed by blocking groups on both ends. Even though ionization involves large excess energies, the observed cluster distributions are sensitive to thermochemical differences as small as 1–3 kcal/mol.

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