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Magnetic properties of spacer-armed dinuclear copper(II) complexes |
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| Authors: | V F Shul’gin O V Konnik A S Bogomyakov V I Ovcharenko V V Minin |
| Institution: | 1.Tavrida National V.I. Vernadsky University,Simferopol,Ukraine;2.International Tomography Center, Siberian Branch,Russian Academy of Sciences,Novosibirsk,Russia;3.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
| Abstract: | The results of static magnetic susceptibility studies of spacer-armed dinuclear copper(II) complexes with dicarboxylic acid acylhydrazones are described. Weak exchange coupling between paramagnetic centers has been detected with an exchange parameter value of −2J ∼ 1–7 cm−1. Short intermolecular contacts give rise to additional weak antiferromagnetic exchange coupling between copper cations comparable in terms of energy with superexchange inside the dinuclear complex (−zJ′ ∼ 0.6–5.0 cm−1). |
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