Direct measurement of the isomerization barrier of the isolated retinal chromophore.

  title={Direct measurement of the isomerization barrier of the isolated retinal chromophore.},
  author={Jonathan M. Dilger and Lihi Musbat and Mordechai Sheves and Anastasia V. Bochenkova and David E. Clemmer and Yoni Toker},
  journal={Angewandte Chemie},
  volume={54 16},
Isomerizations of the retinal chromophore were investigated using the IMS-IMS technique. Four different structural features of the chromophore were observed, isolated, excited collisionally, and the resulting isomer and fragment distributions were measured. By establishing the threshold activation voltages for isomerization for each of the reaction pathways, and by measuring the threshold activation voltage for fragmentation, the relative energies of the isomers as well as the energy barriers… CONTINUE READING
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