Open AccessSmall molecule behavior and the 3Bg state of biacetyl
Author(s) -
E. Drent,
Ringnerus Petrus van der Werf,
Jan Kommandeur
Publication year - 1973
Publication title -
the journal of chemical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.071
H-Index - 357
eISSN - 1089-7690
pISSN - 0021-9606
DOI - 10.1063/1.1680292
Subject(s) - excitation , phosphorescence , molecule , atomic physics , energy spectrum , materials science , molecular physics , physics , optics , fluorescence , quantum mechanics
Below excitation energies of 22 500 cm−1 biacetyl behaves as a small molecule as evidenced by the pressure dependence of its phosphorescence and the structure of the excitation spectrum. The sudden transition to large (statistical) molecule behavior at this energy can be explained by the presence of a 3Bg state for which there is also theoretical evidence.
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