Pekarian function

This problem may be tackled by a more systematic analysis of the Stokes shift. Pines and coworkers assumed that the first absorption transition of 1-naphthol and the two absorption transitions of 2-naphthol may be described by Pekarian functions. These functions were analyzed by the Kamlet-Taft analysis (Figures 25 and 26). 

FIGURE 25. Correlation of the peaks of Pekarian functions (energy scale) used to approximate the UV-vis absorption spectra of 1-naphthol (from Reference 91)... 

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