Electronic spectrocopy in condensed media: Spectra of styrene and cyclohyphen;octatetraene anions

摘要

A general theoretical formalism developed in earlier publications for treating the electronic spectra of solvated anions is found to successfully describe the spectra of styrene and cyclooctatetraene anions in MTHF glass at 77thinsp;deg;K. The analysis provided supports the conclusions that the first two excited states of the styrene anion and the first excited state of the cyclohyphen;oclatetraene anion in solution have sufficiently long lifetimes (gsim;10minus;14sec) so as to have negligible lifetime broadening of their spectra. The entire widths of the observed spectra can be accounted for via Franckhyphen;Condon progressions alone; the degree of structure in the experimental spectra provide information about solvent inhomogeneous broadening.