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Direct Observation of the Transition from Static to Dynamic Jahn–Teller Effects in the [Cs(THF)4]C60 Fulleride

Authors

  • Dr. Konstantin Yu. Amsharov,

    1. Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
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  • Dipl. Chem. Yvonne Krämer,

    1. Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
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  • Prof. Dr. Martin Jansen

    Corresponding author
    1. Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
    • Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
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  • The authors are grateful to Dr. Jürgen Nuss for collecting X-ray data, Dr. Reinhard Kremer for EPR measurements, Ms. Eva Brücher for SQUID measurements, Mr. Nils Schumacher for assistance with synthesis, and Dr. Pavel Kazin for helpful discussions.

Abstract

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Distorted order: The synthesis and X-ray crystallographic analysis of single crystals of [Cs(THF)4]C60 are reported. The data obtained provide structural information sufficient to prove a Jahn–Teller distortion in the C60 anion radical. For the first time the transition from static to dynamic Jahn–Teller effects in fullerides has been observed directly by X-ray analysis and corroborated by magnetic measurements and EPR experiments.

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