Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy
Interim technical rept. 1 May-1 Jul 91,
CALIFORNIA UNIV BERKELEY DEPT OF CHEMISTRY
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Anion photoelectron spectroscopy has been employed to obtain vibrationally resolved spectra of the carbon molecules C2 through C11. The spectra of C2- through C9- are dominated by linear anion to linear neutral photodetachment transitions. Linear to linear transitions contribute to the C11- spectrum, as well. From these spectra, vibrational frequencies and electron affinities are determined for the linear isomers of C2-C9 and C11. Term values are also obtained for the first excited electronic states of linear C4 and C6. The spectra of C10- and C11- show evidence for transitions involving cyclic anions andor neutrals. Similars types of transitions are identified in the spectra of other smaller molecules, specifically C6-, C8-, and to a lesser extent C5-.
- Physical Chemistry
- Atomic and Molecular Physics and Spectroscopy