A study of the spectroscopic and thermodynamic properties of furan by means of photoabsorption, photoelectron and photoion spectroscopy

E. E. Rennie, C. A F Johnson, J. E. Parker, D. M P Holland, D. A. Shaw, M. A. MacDonald, M. A. Hayes, L. G. Shpinkova

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Three experimental techniques (photoabsorption, photoelectron, and photoion spectroscopy) have been used to study the spectroscopic and thermodynamic properties of furan. The absolute photoabsorption cross-sections of furan-h4 and furan-d4 have been measured using a double ion chamber and a new Rydberg series converging onto the G 2A1 ionisation threshold has been observed. HeI-excited photoelectron spectra of the X 2A2, the A 2B1 and the G 2A1 states of furan-d4 have been recorded. Vibrational structure has been observed in all three bands and has allowed the energies of the ?3, ?4, ?6 and ?8 vibrational modes to be determined. Time-of-flight mass spectra have been recorded using monochromatic synchrotron radiation, and appearance energies have been measured for 19 fragment ions and the doubly charged parent ion. The fragmentation processes leading to the production of several high-intensity fragment ions have been modelled using ab initio and semi-empirical methods.

Original languageEnglish
Pages (from-to)365-385
Number of pages21
JournalChemical Physics
Volume236
Issue number1-3
Publication statusPublished - 15 Sep 1998

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