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Crystal Structure of Monoprotonated Ni(II) Nitrilotriacetate Tetrahydrate

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Abstract

A Ni(II) complex of the composition Ni(HNta) · 4H2O (I) was synthesized. Its structure was found to consist of neutral mononuclear [Ni(HNta)(H2O)3] complexes and crystallization water molecules. The Ni atom has octahedral surrounding and is coordinated to tridentate-chelate HNta2– ligand through the N atom and O atoms of two deprotonated acetate groups and through the O atoms of three water molecules. The structure of I was compared with those of the Zn(HNta) · 4H2O and Co(HNta) · 4H2O complexes isostructural to I. Thermogravimetric method showed that the decomposition of compound I occurs through several successive stages of dehydration, deaquation, decarboxylation, and the formation of inorganic residue.

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Authors and Affiliations

  1. Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Moldova

    P. A. Petrenko & Yu. A. Simonov

  2. Mickiewicz University, Poznan, Poland

    M. Gdaniec

  3. Moldova State University, Chisinau, Moldova

    V. G. Stavila & A. P. Gulea

Authors
  1. P. A. Petrenko
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  2. M. Gdaniec
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  3. Yu. A. Simonov
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  4. V. G. Stavila
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  5. A. P. Gulea
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Petrenko, P.A., Gdaniec, M., Simonov, Y.A. et al. Crystal Structure of Monoprotonated Ni(II) Nitrilotriacetate Tetrahydrate. Russian Journal of Coordination Chemistry 30, 813–817 (2004). https://doi.org/10.1023/B:RUCO.0000047470.68177.4a

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  • DOI: https://doi.org/10.1023/B:RUCO.0000047470.68177.4a

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