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Polynuclear complexes of chromium(III), copper(II) or nickel(II) with thiocyanate as a bridging ligand

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Abstract

Novel complexes of the type [CuL2]3[Cr(NCS)6]2·xH2O (L = 2,2′-bipyridine (bpy), x = 0; L = o-phenanthroline (phen), x = 1), [Cu(dien)]3[Cr(NCS)6]2·3H2O (dien=diethylenetriamine) or [Ni(phen)2]3[Cr(NCS)6]2· 2H2O have been prepared and studied by elemental analyses, i.r. spectra and magnetic measurements. Some of the complexes have been characterized by temperature-dependent magnetic susceptibilities, and weak antiferromagnetic exchange interaction was found for [Cu-(phen)2]3[Cr(NCS)6]2·H2O and [Ni(phen)2]3[Cr(NCS)6]2· 2H2O. Physico-chemical studies account for the polymeric structure, with thiocyanate bridges between Cu or octahedral Ni and octahedral Cr (chromophore CrN6).

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Authors and Affiliations

  1. Department of Inorganic and Physical Chemistry, Palacky´ University, Krři´zřkovske´ho 10, 771 47, Olomouc, Czech Republic

    Zdeněk Sme´kal, Frantisřek Brřezina, Zdeněk Šindela´rř & Roman Klicřka

  2. Department of General and Inorganic Chemistry, University Pardubice, 532 10, Pardubice, Czech Republic

    Milan Na´dvorni´k

Authors
  1. Zdeněk Sme´kal
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  2. Frantisřek Brřezina
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  3. Zdeněk Šindela´rř
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  4. Roman Klicřka
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  5. Milan Na´dvorni´k
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Sme´kal, Z., Brřezina, F., Šindela´rř, Z. et al. Polynuclear complexes of chromium(III), copper(II) or nickel(II) with thiocyanate as a bridging ligand. Transition Metal Chemistry 22, 299–301 (1997). https://doi.org/10.1023/A:1018480911747

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  • DOI: https://doi.org/10.1023/A:1018480911747

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