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Binuclear nickel(II) complexes with a bridging carbonato ligand

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Abstract

Three nickel(II) dinuclear carbonato-bridged complexes: (μ-CO3)[Ni(TAA)]2(ClO4)2·4H2O (1), (μ-CO3)[Ni(TTA)]2- (ClO4)2·2H2O (2), (μ-CO3)[Ni(cyclam)]2(ClO4)2 (3) [TAA =N(CH2CH2NH2)3,TTA=triethylenetetramine,cyclam = 1,4,8,11-tetraazacyclotetradecane] have been prepared. The temperature dependence of the magnetic susceptibility for (1), (2) and (3) were measured over the 77–300K range and the observed data were successfully simulated by an equation based on the spin Hamiltonian operator (H= −2JS1S2), giving the exchange integral J=−7.75cm−1 for (1), J=−1.23 cm−1 for (2) and J=−40.26cm−1 for (3).

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Authors and Affiliations

  1. Department of Inorganic and Physical Chemistry, Palacky´ University, Krši´zš, kovske´ho 10, 771 47, Czech Republic

    Frantisšek Bršezina, Zdenešk Sme´kal, Zdenešk Sšindela´rš & Richard Pastorek

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  1. Frantisšek Bršezina
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  2. Zdenešk Sme´kal
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  3. Zdenešk Sšindela´rš
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  4. Richard Pastorek
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Bršezina, F., Sme´kal, Z., Sšindela´rš, Z. et al. Binuclear nickel(II) complexes with a bridging carbonato ligand. Transition Metal Chemistry 22, 521–523 (1997). https://doi.org/10.1023/A:1018531817624

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