X-ray absorption spectroscopy of liquid methanol microjets: Bulk electronic structure and hydrogen bonding network

Kevin R. Wilson, Matteo Cavalleri, Bruce S. Rude, R. D. Schaller, T. Catalano, A. Nilsson, R. J. Saykally, L. G.M. Pettersson

Research output: Contribution to journalArticlepeer-review

72 Citations (Scopus)

Abstract

We have measured the X-ray absorption (XA) spectrum of liquid (298 K) methanol at the oxygen and carbon K edges. The 4a 1 orbital at the O K edge exhibits a pronounced sensitivity to the formation of intermolecular hydrogen bonds, with significant differences observed between the vapor and bulk spectra, whereas the C K edge reveals only subtle corresponding spectral changes. Comparison with DFT computed spectra of model methanol clusters indicates that the bulk liquid comprises long chains (n > 6) and rings of hydrogen-bonded monomers.

Original languageEnglish
Pages (from-to)10194-10203
Number of pages10
JournalJournal of Physical Chemistry B
Volume109
Issue number20
DOIs
Publication statusPublished - May 26 2005

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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