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The VUV electronic spectroscopy of acetone studied by synchrotron radiation

Nobre, M.; Fernandes, A.; Ferreira da Silva, F.; Antunes, R.; Almeida, D.; Kokhan, V.; Hoffmann, S. V.; Mason, N. J.; Eden, S. P and Limão-Vieira, P. (2008). The VUV electronic spectroscopy of acetone studied by synchrotron radiation. Physical Chemistry Chemical Physics, 10(4) pp. 550–560.

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The electronic state spectroscopy of acetone (CH3)2CO has been investigated using high-resolution VUV photoabsorption spectroscopy in the energy range 3.7–10.8 eV. New vibronic structure has been observed, notably in the low energy absorption band assigned to the 11A1 → 11A2 (ny → π*) transition. The local absorption maximum at 7.85 eV has been tentatively attributed to the 41A1 (π → π*) transition. Six Rydberg series converging to the lowest ionisation energy (9.708 eV) have been assigned as well as a newly-resolved ns Rydberg series converging to the first ionic excited state (12.590 eV). Rydberg orbitals of each series have been classified according to the magnitude of the quantum defect (δ) and are extended to higher quantum numbers than in the previous analyses.

Item Type: Journal Article
Copyright Holders: 2008 RSC
ISSN: 1463-9076
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 25748
Depositing User: Sam Eden
Date Deposited: 28 Dec 2010 15:03
Last Modified: 15 Jan 2016 15:36
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