Probing the barrier for internal rotation of the retinal chromophore

Yoni Toker, Annette Svendsen, Anastasia V. Bochenkova, Lars H. Andersen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Molecular ion calorimetry: A technique for measuring the heat capacity of an isolated gas-phase chromophore is presented and applied to the retinal protonated Schiff base (see picture). The potential use of this technique for studying barriers for internal rotations is discussed.

Original languageEnglish
Pages (from-to)8757-8761
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number35
StatePublished - 27 Aug 2012
Externally publishedYes


  • ab initio calculations
  • calorimetry
  • chromophores
  • conformation analysis
  • photochemistry


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