Endor and triple resonance in solutions of the chlorophyll a and bis(chlorophyll)cyclophane radical cations

M. Huber, F. Lendzian, W. Lubitz, E. Tränkle, K. Möbius, Michael R Wasielewski

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The radical cations of chlorophyll a (Chl a) and bis ( chlorophyll )cyclophane (BCP), a synthetic model dimer of chlorophyll, were studied by ENDOR and TRIPLE resonance in liquid solution. The measured hyperiine coupling constants (hfcs) of Chl a+ were compared with the results of molecular orbital calculations. By comparing the hfcs of BCP+ and Chl a+ a localization of the unpaired electron on one macrocycle of BCP+ is deduced.

Original languageEnglish
Pages (from-to)467-473
Number of pages7
JournalChemical Physics Letters
Issue number4-5
Publication statusPublished - Dec 19 1986


ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

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