Multiple Fluorescences. II. A New Scheme for 4-(N,N-Dimethylamino)benzonitrile Including Proton Transfer

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Abstract

Long-wavelength emission from 4-(N,N-dimethylamino)benzonitrile is assigned to a protonated molecule (deuterium isotope effect). Utilizing solvent polarity parameters, three other emissions are identified: planar monomer, perpendicular monomer, and dimer. The protonated emitting species occurs only in proton-donor solvents; the ratio of monomer protonated molecule emissions is viscosity and wavelength dependent.

Original languageEnglish
Pages (from-to)924-929
Number of pages6
JournalJournal of the American Chemical Society
Volume98
Issue number4
DOIs
StatePublished - 1 Feb 1976

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