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Authors: Melzer, Guenter
Schweitzer, Dieter
Hausser, Karl H.
Colpa, Johannes Pieter
Haenel, Matthias
Title: Investigation of the excited triplet states of [2.2]- and [3.3]paracyclophane
Issue Date: 1979 Zeitschriftenartikel Chemical physics 39 (1979), S. 229-235. URL
Abstract: We have studied the excited triplet states of [2-2]- and [3.3]paracyclophane by emission spectroscopy and by ODMR and have compared the results with the corresponding monomer paraxylene. The most striking result is that both phanes exhibit two sets of zero field splitting parameters indicating the existence of two nearly degenerate low lying excited triplet states. Furthermore, we find in distinction to expection a stronger reduction of the zero field splitting parameters as compared to the monomers for [3.3]paracyclophane than for [2.2]paracyclophane. The causes of these surprising experimental findings are discussed.
Appears in Collections:15 Fakultätsübergreifend / Sonstige Einrichtung

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