Hydrogen-bonding interactions of photoacids: Correlation of optical solvatochromism with IR absorption spectra Academic Article uri icon


  • The effect of specific hydrogen-bonding interactions on the electronic spectra and the infrared (IR) absorption spectra of several naphthol-type photoacids was investigated. A correlation between the p K a * of the photoacid and its optical solvatochromism was observed for R*OH⋯B-type hydrogen bonds using the Kamlet–Taft (K–T) analysis. In addition, a correlation between the spectral shift in the IR stretching frequency of the ROH⋯B bond and the optical Stokes shift in the fluorescence spectra of the photoacids was found.

publication date

  • January 1, 2004