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Coronene-based charge-transfer complexes.

Yukihiro Yoshida1, Kazuhide Isomura, Yoshihide Kumagai

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Summary

Coronene, a highly symmetric molecule, forms unique charge-transfer complexes. These complexes exhibit interesting structural and physical properties due to coronene

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Area of Science:

  • Materials Science
  • Solid-State Chemistry

Background:

  • Coronene is a D 6h-symmetric polycyclic aromatic hydrocarbon.
  • Charge-transfer complexes involve electron donor and acceptor interactions.

Purpose of the Study:

  • To highlight recent developments in coronene-based charge-transfer complexes.
  • To emphasize the structural and physical properties of these complexes.

Main Methods:

  • Synthesis of cation and anion salts of coronene.
  • Investigation of Jahn-Teller distortions and molecular motion in solid-state complexes.
  • Preparation of clathrate-type complexes.

Main Results:

  • Structurally-defined four cation salts and three anion salts of coronene were synthesized.
  • Jahn-Teller distortions and in-plane molecular motion were observed.
  • Clathrate-type complexes were successfully synthesized.

Conclusions:

  • Coronene's dual electron-donating and -accepting abilities facilitate diverse complex formation.
  • The high symmetry of coronene influences its behavior in solid-state complexes.
  • These complexes offer a platform for studying structure-property relationships.