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The X-ray crystal structures of bis(l-α-alaninehydroxamato)nickel(II) and bis(l-α-alaninehydroxamato)copper(II)

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Abstract

The structure of twol-α-alaninehydroxamato (α-Alaha) complexes of Ni(II) and Cu(II) have been determined by single-crystal X-ray diffraction methods. The crystals of Ni(α-Alaha)2·2H2O (I) are monoclinic witha=12.267(4),b=4.798(2),c=10.017(4)Å,β=95.48(3)°,Z=2, and space groupP21. The crystals of Cu(α-Alaha)2·2H2O (II) are monoclinic witha=5.073(2),b=11.463(3),c=20.198(5) Å,Z=4 and space groupP212121. The values of the final residualsR for Ni(α-Alaha)2·2H2O and Cu(α-Alaha)2·2H2O are 0.06 and 0.03, respectively. The molecular structures of Ni(α-Alaha)2 and Cu(α-Alaha)2 consist of a square planar and a pentanuclear piramidal, respectively, with theα-alaninehydroxamato, (CH3CH2(NH2)CONOH−), ligands coordinating to metal ion via the N(amino) and the hydroxamic N− donors.

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Authors and Affiliations

  1. Institute of Chemistry, University of Wroclaw, 52-363, Wroclaw, Poland

    Tadeusz Głowiak

  2. Institute of Chemistry, Pedagogical University, 08-110, Siedlce, Poland

    Barbara Kurzak

Authors
  1. Tadeusz Głowiak
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  2. Barbara Kurzak
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Głowiak, T., Kurzak, B. The X-ray crystal structures of bis(l-α-alaninehydroxamato)nickel(II) and bis(l-α-alaninehydroxamato)copper(II). Journal of Crystallographic and Spectroscopic Research 22, 341–348 (1992). https://doi.org/10.1007/BF01199537

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  • DOI: https://doi.org/10.1007/BF01199537

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