Intracluster rearrangement of protonated nitric acid: Infrared spectroscopic studies of H+(HNO3)(H2O) n

Yibin Cao, Jong-Ho Choi, Bernd Michael Haas, Matthew S. Johnson, Mitchio Okumura

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Abstract

Infrared spectra of clusters of protonated nitric acid and water exhibit a marked change with cluster size, indicating that an intracluster reaction occurs with sufficient solvation. In small clusters, H2O binds to a nitronium ion core, but at a critical cluster size the NO2 - reacts. A lower bound of 174 kcal/mol is found for the proton affinity of HNO3.

Original languageEnglish
Pages (from-to)9307-9309
Number of pages3
JournalThe Journal of Chemical Physics
Volume99
Issue number11
Publication statusPublished - 1993 Dec 1
Externally publishedYes

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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