Abstract
The Mn(II) ion reacts on Cu(II) dianionic precursors containing an oxarnido and two caboxylato groups to afford Mn(II)Cu(lI) compounds. The structures and magnetic properties of these compounds present an exceptional diversity. The following situations were encountered: uncoupled carboxylato-bridged binuclear compound, antiferromagnetically coupled oxamido-bridged binuclear compound, alternating bimetallic chain behaving magnetically as binuclear species, alternating bimetallic chain exhibiting the characteristic one-dimensional ferrimagnetic behavior, finally molecular-based compound exhibiting a spontaneous magnetization below a critical temperature Tc. In each case, the theoretical models appropriate to interpret the magnetic properties are presented, and the mechanism of the interactions between Mn(II) and Cu(II) ions is discussed. In the course of this work, quite an unusual polymerization reaction in the solid state has been discovered.
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© 1992 Springer Science+Business Media Dordrecht
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Kahn, O., Pei, Y., Nakatani, K., Sletten, J. (1992). Chemistry, Structures and Magnetic Properties of Mn(II)Cu(II) Molecular Compounds ; Heterobinuclear Species, Ferrimagnetic Chains and Molecular-Based Ferromagnets. In: Laine, R.M. (eds) Inorganic and Organometallic Polymers with Special Properties. NATO ASI Series, vol 206. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2612-0_10
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DOI: https://doi.org/10.1007/978-94-011-2612-0_10
Publisher Name: Springer, Dordrecht
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