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Ferromagneto-Structural Correlations in [Mn(OC6X3H2)2(bipy)]2 Compounds, X [DOUBLE BOND] Cl, Br

Authors

  • Dr. Marcel Wesolek,

    1. Laboratoire de Chimie des Métaux de Transition et de, Catalyse, U.R.A. 424 CNRS, Institut le Bel, Université Louis Pasteur, 4, rue Blaise Pascal, F-67070 Strasbourg (France), Telefax: Int. code +88 416171
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  • Dr. Daniel Meyer,

    1. Laboratoire de Chimie des Métaux de Transition et de, Catalyse, U.R.A. 424 CNRS, Institut le Bel, Université Louis Pasteur, 4, rue Blaise Pascal, F-67070 Strasbourg (France), Telefax: Int. code +88 416171
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  • Prof. Dr. John A. Osborn,

    Corresponding author
    1. Laboratoire de Chimie des Métaux de Transition et de, Catalyse, U.R.A. 424 CNRS, Institut le Bel, Université Louis Pasteur, 4, rue Blaise Pascal, F-67070 Strasbourg (France), Telefax: Int. code +88 416171
    • Laboratoire de Chimie des Métaux de Transition et de, Catalyse, U.R.A. 424 CNRS, Institut Le Bel, Université Louis Pasteur, 4, rue Blaise Pascal, F-67070 Strasbourg (France), Telefax: Int. code +88 416171
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  • Dr. André De Cian,

    1. Laboratoire de Cristallochimie et de Chimie Structurale, Institut le Bel, Université Louis Pasteur (France)
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  • Prof. Dr. Jean Fischer,

    Corresponding author
    1. Laboratoire de Cristallochimie et de Chimie Structurale, Institut le Bel, Université Louis Pasteur (France)
    • Laboratoire de Cristallochimie et de Chimie Structurale, Institut Le Bel, Université Louis Pasteur (France)
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  • Ing. Alain Derory,

    1. IPCMS, Groupe de Chimie des Matériaux Inorganiques, UM-380046-EHICS, 1 rue Blaise Pascal, F-67008 Strasbourg (France)
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  • Dr. Patrick Legoll,

    1. IPCMS, Groupe de Chimie des Matériaux Inorganiques, UM-380046-EHICS, 1 rue Blaise Pascal, F-67008 Strasbourg (France)
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  • Dir. Dr. Marc Drillon

    Corresponding author
    1. IPCMS, Groupe de Chimie des Matériaux Inorganiques, UM-380046-EHICS, 1 rue Blaise Pascal, F-67008 Strasbourg (France)
    • IPCMS, Groupe de Chimie des Matériaux Inorganiques, UM-380046-EHICS, 1 rue Blaise Pascal, F-67008 Strasbourg (France)
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  • We thank Prof. Dr. A. Herr and Ing. R. Poinsot for measurements on the SQUID magnetometer and Tech. J.-P. Lambour for the specific heat measurements, bpy = bipyridine.

Abstract

original image

Intra- and intermolecular ferromagnetic interactions characterize the dimeric manganese complexes 1 and 2. This unexpected behavior is attributed to π-π interactions between the phenoxy ligands, to π-π interactions within the chains present in the crystal, and for 2, in addition, to π-π interactions between bromine atoms of neighboring chains. These findings should be useful for the design of molecular magnetic materials.

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