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An Unsymmetrical bis C[BOND]C Agostic Heterobimetallic Lithium Yttrium Complex

Authors

  • Yannick Escudié,

    1. CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
    2. Université de Toulouse, UPS, INPT, LCC, 31077 Toulouse Cedex 4 (France)
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  • Dr. Chiara Dinoi,

    1. CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
    2. Université de Toulouse, UPS, INPT, LCC, 31077 Toulouse Cedex 4 (France)
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  • Dr. Olivia Allen,

    1. CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
    2. Université de Toulouse, UPS, INPT, LCC, 31077 Toulouse Cedex 4 (France)
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  • Dr. Laure Vendier,

    1. CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
    2. Université de Toulouse, UPS, INPT, LCC, 31077 Toulouse Cedex 4 (France)
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  • Prof. Michel Etienne

    Corresponding author
    1. CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
    2. Université de Toulouse, UPS, INPT, LCC, 31077 Toulouse Cedex 4 (France)
    • CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse Cedex 4 (France)
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  • We thank the ANR for support of this work (ANR-07-BLAN-0149) and Prof. John E. McGrady (University of Oxford) for helpful discussions.

Abstract

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Two better than one! The structural distortions in a bis(cyclopropyl) heterobimetallic lithium yttrium complex can be interpreted as two types of C[BOND]C agostic interactions (see structure), one with a more covalent character with Y, the other with a more electrostatic character with Li. The C[BOND]C agostic interaction with Y is reinforced by a C[BOND]H agostic interaction.

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