Measurements of the stabilities of isolated retinal chromophores

L. Musbat, M. Nihamkin, Y. Toker, J. M. Dilger, D. R. Fuller, T. J. El-Baba, D. E. Clemmer, S. Sarkar, L. Kronik, A. Hirshfeld, N. Friedman, M. Sheves

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3 Scopus citations

Abstract

The barrier energies for isomerization and fragmentation were measured for a series of retinal chromophore derivatives using a tandem ion mobility spectrometry approach. These measurements allow us to quantify the effect of charge delocalization on the rigidity of chromophores. We find that the role of the methyl group on the C13 position is pivotal regarding the ground state dynamics of the chromophore. Additionally, a correlation between quasi-equilibrium isomer distribution and fragmentation pathways is observed.

Original languageEnglish
Article number012406
JournalPhysical Review E
Volume95
Issue number1
DOIs
StatePublished - 19 Jan 2017

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© 2017 American Physical Society.

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