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Study of excited states in phenyl-substituted p-benzoquinones by laser photolysis and CNDO/S calculation

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The introduction of phenyl substituants into the p-benzoquinone molecule lowers the energy of the lowest singlet and triplet ππ* states. The lowest triplet states for 2-phenyl- and 2,6-diphenyl-l,4-benzoquinone are ππ* states.

  2. 2.

    The lifetime of triplet aryl-substituted p-benzoquinones in liquid solutions increases as the energy of the lowest triplet ππ* state decreases owing to an increase in the contribution from this state to the lowest triplet state of the quinone.

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Authors and Affiliations

  1. Institute of Chemical Physics, Academy of Sciences of the USSR, Moscow

    P. P. Levin, V. B. Luzhkov & A. P. Darmanyan

Authors
  1. P. P. Levin
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  2. V. B. Luzhkov
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  3. A. P. Darmanyan
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1542–1547, July, 1980.

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Levin, P.P., Luzhkov, V.B. & Darmanyan, A.P. Study of excited states in phenyl-substituted p-benzoquinones by laser photolysis and CNDO/S calculation. Russ Chem Bull 29, 1087–1091 (1980). https://doi.org/10.1007/BF00949159

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  • DOI: https://doi.org/10.1007/BF00949159

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