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Observation of deuterium quadrupole splittings of aromatic free radicals in liquid crystals by ENDOR and TRIPLE resonance

Biehl, R. ; Lubitz, W. ; Möbius, K. ; Plato, M.

The Journal of Chemical Physics, 01 March 1977, Vol.66(5), pp.2074-2078 [Peer Reviewed Journal]

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  • Title:
    Observation of deuterium quadrupole splittings of aromatic free radicals in liquid crystals by ENDOR and TRIPLE resonance
  • Author: Biehl, R. ; Lubitz, W. ; Möbius, K. ; Plato, M.
  • Description: First measurements of deuterium quadrupole coupling constants of a polyatomic doublet state radical are reported. The quadrupole couplings were determined by ENDOR and electron–nuclear–nuclear TRIPLE resonance in liquid crystals. For the partially deuterated perinaphthenyl radical the out‐of‐plane component of the deuterium quadrupole coupling was measured to be e 2 q 33 Q / h =−(94±3) kHz for both molecular sites. Within experimental error these values are equal to those measured earlier for deuterated alternant hydrocarbons in the diamagnetic singlet ground state.
  • Is Part Of: The Journal of Chemical Physics, 01 March 1977, Vol.66(5), pp.2074-2078
  • Identifier: ISSN: 0021-9606 ; E-ISSN: 1089-7690 ; DOI: 10.1063/1.434168
  • Language: English
  • Source: © 1977 American Institute of Physics (AIP)

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