The He I valence photoelectron spectrum ofC70 in the gas phase

Dennis L Lichtenberger, Margaret E. Rempe, Stefan B. Gogosha

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

The high-resolution He I photoelectron spectrum of C70 in the gas phase is reported and compared with that of C60 and theoretical calculations. Similar to C60, the C70 spectrum shows two separate valence ionization band envelopes in the low energy region, but there are more separate ion states visible within the two envelopes. The first envelope of overlapping ionizations spans from about 7.3 to 8.8 eV, and the second from about 8.9 to 10.3 eV. The greater complexity of the C70 spectrum compared to that of C60 is expected due to the lower symmetry of C70 and the ten additional π electrons from the additional carbon atoms. The first vertical ionization energy is 7.47 ± 0.02 eV, which is destabilized 0.17 eV from that of C60.

Original languageEnglish (US)
Pages (from-to)454-460
Number of pages7
JournalChemical Physics Letters
Volume198
Issue number5
DOIs
StatePublished - Oct 16 1992

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Photoelectrons
Ionization
photoelectrons
envelopes
Gases
vapor phases
valence
ionization
Ionization potential
Carbon
Ions
Atoms
Electrons
energy
carbon
high resolution
symmetry
atoms
ions
electrons

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

The He I valence photoelectron spectrum ofC70 in the gas phase. / Lichtenberger, Dennis L; Rempe, Margaret E.; Gogosha, Stefan B.

In: Chemical Physics Letters, Vol. 198, No. 5, 16.10.1992, p. 454-460.

Research output: Contribution to journalArticle

Lichtenberger, Dennis L ; Rempe, Margaret E. ; Gogosha, Stefan B. / The He I valence photoelectron spectrum ofC70 in the gas phase. In: Chemical Physics Letters. 1992 ; Vol. 198, No. 5. pp. 454-460.
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