Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 10, Issue 4, Pages 550-560Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b708580j
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Funding
- EPSRC [EP/E009166/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E009166/1] Funding Source: researchfish
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The electronic state spectroscopy of acetone (CH3)(2)CO 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 1(1)A(1) -> 1(1)A(2) (n(y) -> pi*) transition. The local absorption maximum at 7.85 eV has been tentatively attributed to the 4(1) A(1) (pi -> pi*) 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 (delta) and are extended to higher quantum numbers than in the previous analyses.
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