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# RAMAN AND ABSORPTION SPECTRA OF SEVERAL ANHYDROVITAMIN A ISOMERS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/10485

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 Title: RAMAN AND ABSORPTION SPECTRA OF SEVERAL ANHYDROVITAMIN A ISOMERS Creators: Granville, M. F.; Kohler, Bryan E.; Auerbach, R. A. Issue Date: 1978 Abstract: Raman spectra of chromatographically pure cis-trans isomers of Anhydrovitamin $A_{1}$ have been obtained in $77^{\circ}\;K$ glasses with laser excitation at several wavelengths. The intensity and polarization ratio behavior will be presented along with a discussion of the $77^{\circ}\;K$ absorption spectra. Both the single-bond and double-bond vibrational modes are found to increase in frequency upon electronic excitation. URI: http://hdl.handle.net/1811/10485 Other Identifiers: 1978-RC-09