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Journal of Structural Chemistry

, Volume 46, Issue 3, pp 560–565 | Cite as

Synthesis and structure of bis(1,2-diaminoethane) copper(II) bis(o-hydroxybenzoate) monohydrate and trans-diaquabis(1,2-diaminoethane)copper(II) bis(o-aminobenzoate)

  • K. É. Miminoshvili
  • A. N. Sobolev
  • É. B. Miminoshvili
  • L. A. Beridze
  • É. R. Kutelia
Article

Abstract

X-ray structural analysis has been performed for two complex compounds: Cu(en)2(o-HB)2H2O (I) (a = 16.873(4) Å, b = 8.713(2) Å, c = 14.803(3) Å, β = 91.15(2)°, V = 2175.8(8) Å3, C2/c, Z = 4, R(F) = 0.0263, 1516 reflections with I > 3σ (I)) and [Cu(en)2(OH2)2]2+(o-AB)2 (II) (a = 7.488(5) Å, b = 22.122(8) Å, c = 7.856(5) Å, β = 118.77(2)°, V = 1140.7(11) Å3, P21/n, Z = 2, R(F) = 0.0432, 1684 reflections with I > 3σ(I)) synthesized under identical conditions (en is ethylenediamine, o-HB is o-hydroxybenzoate, and o-AB is o-aminobenzoate). Although the compounds were assumed to have similar structures and the Cu-Lig bond lengths and the cis and trans angles are acceptable for an octahedral structure, the geometric parameters of o-HB suggest that the copper atom has a plane square environment.

Keywords

complex compounds synthesis structural analysis transition metals hydroxybenzoate aminobenzoate 

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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • K. É. Miminoshvili
    • 1
  • A. N. Sobolev
    • 2
  • É. B. Miminoshvili
    • 1
  • L. A. Beridze
    • 3
  • É. R. Kutelia
    • 1
  1. 1.Georgian Technical UniversityTbilisi
  2. 2.The University of Western AustraliaCrawley
  3. 3.Tbilisi State Medical UniversityGeorgia

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