Jet-Cooled Fluorescence Excitation Spectra and Potential Energy Functions for the Carbonyl-Wagging and Ring-Puckering Vibrations of Bicyclo[3.1.0]hexan-3-one in Its S1(n,.pi.) Electronic Excited State Academic Article uri icon


  • The fluorescence excitation spectra of bicyclo[3.1.0]hexan-3-one have been recorded and assigned, almost exclusively to combinations of the ring-puckering and out-of plane carbonyl-wagging vibrations. One-dimensional potential energy functions were calculated for both of these modes in the S1(n,π*) excited state. The carbonyl-wagging vibration has a barrier to inversion of 860 ± 30 cm-1, and its potential function appears to have very little asymmetry. The ring-puckering function has a single minimum and is considerably stiff er in the S1state than in the ground state. © 1995 American Chemical Society.

author list (cited authors)

  • Chiang, W., & Laane, J.

citation count

  • 6

publication date

  • July 1995