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ODMR and Proton-ENDOR investigations of the symmetry and geometry of the lowest excited triplet state of quinoxaline and p-dichlorobenzene at high magnetic fields

Von Borczyskowski, C ; Plato, M ; Dinse, K.-P ; Möbius, K

Chemical Physics, 1978, Vol.35(3), pp.355-366 [Peer Reviewed Journal]

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  • Title:
    ODMR and Proton-ENDOR investigations of the symmetry and geometry of the lowest excited triplet state of quinoxaline and p-dichlorobenzene at high magnetic fields
  • Author: Von Borczyskowski, C ; Plato, M ; Dinse, K.-P ; Möbius, K
  • Description: ODMR and ODENDOR spectra were obtained for quinoxaline and p -dichlorobenzene in their excited triplet states. These molecules were studied in mixed crystals using heavy atom containing hosts. For protons the complete hyperfine tensors could be evaluated, yielding information about the symmetry and geometry of these molecules in their triplet states. For quinoxaline no deviations from planarity have been observed whereas triplet p -dichlorobenzene turned out to be non-planar. The measured π-spin densities in p -dichlorobenzene confirm the 3 B 1u symmetry of this molecule in its first excited triplet state.
  • Is Part Of: Chemical Physics, 1978, Vol.35(3), pp.355-366
  • Identifier: ISSN: 0301-0104 ; DOI: 10.1016/S0301-0104(78)85251-3
  • Subjects: Chemistry ; Physics
  • Language: English

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