Electronic energy levels of benzene below 7 eV
The electronic energy levels of benzene below 7 eV have been investigated in an electron impact experiment. Vibrational structure has been resolved for the first three singlet--triplet transitions and the second triplet state has been separated from the overlapping first singlet state. Energies of the vibrational bands of the observed singlet--triplet transitions are (strongest band underlined) S/sub 0/..-->..T/sub 1/, 3.67, 3.79, 3.89, 3.98 eV; S/sub 0/..-->..T/sub 2/, 4.63, 4.73, 4.85, 4.95 eV; S/sub 0/..-->..T/sub 3/, 5.58, 5.69, 5.81 eV. The previous result of Lassettre et al. (E. N. Lassettre, A. Skerbele, M. Dillon, and K. Ross, J. Chem. Phys. 48, 5066 (1968)) which suggested that two electronic states are involved in the 6.2 eV region scattering has been confirmed. These results together with ultraviolet absorption data allow the construction of a rather detailed energy level diagram for benzene up to 7 eV.
- Research Organization:
- Department of Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218
- OSTI ID:
- 7277767
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 67:9; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
AROMATICS
BENZENE
COLLISIONS
ELECTRON COLLISIONS
ELECTRON-MOLECULE COLLISIONS
EMISSION SPECTRA
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
HYDROCARBONS
MOLECULE COLLISIONS
ORGANIC COMPOUNDS
SPECTRA
ULTRAVIOLET SPECTRA
VIBRATIONAL STATES