Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
90 (1989), S. 5154-5160
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
The ultraviolet absorption spectra for polyimide and several polyimide model compounds have been measured and the spectroscopically parametrized CNDO/S3 model is used to provide a detailed quantitative description of the spectra. Analysis of the optical absorption spectrum yields a value of 30° for the phenylimide torsional angle in these systems. In addition, the ultraviolet absorptions are found to be intramolecular charge transfer transitions.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.456558
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