Structural Chemistry

, Volume 5, Issue 3, pp 171–175 | Cite as

Crystal structure and spectroscopic study of di-μ(1,1)-azido-di-μ(0,0-nitrato)tetrakis(3,5-lutidine)dicopper(II), [Cu(N3) (NO3) (3,5-lutidine)2]2

  • Franz A. Mautner
  • Mohamed A. S. Goher


A mixed ligand 1∶2 complex of copper(II) azide with 3,5-lutidine, namely di-μ(1,1)-azido-diμ(0,0)-nitrato)tetrakis(3,5-lutidine)dicopper(II) has been prepared and characterized by X-ray crystallographic and spectroscopic methods. The dimeric molecule, which possesses a crystallographic inversion center, contains twoμ(1,1) bridging azido ligands. Each copper(II) atom in the cyclic Cu2N2 unit is further coordinated by two oxygen atoms from twoμ(0,0-nitrato) bridges at Cu-O distances of 2.465(3) and 2.568(3) Å and two nitrogen atoms from the lutidine molecules [Cu-N=2.003(3) and 2.012(3) Å] to give a distorted tetragonal bipyramid. Both azido ligands are linear [N-N-N angle=179.0(4) and asymmetric Nα-Nβ=1.207(4) and Nβ-Nτ=1.135(5) Å]. The azido bridges produce a rather short Cu ⋯ Cu distance of 3.013(2) Å. Infrared and electronic data are presented and discussed.

Key words

Azido complex copper(II) complex 3,5-lutidine, nitrato complex crystal structure of spectroscopic study of 


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Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • Franz A. Mautner
    • 1
  • Mohamed A. S. Goher
    • 2
  1. 1.Institut für Physikalische und Theoretische ChemieTechnische Universität GrazGrazAustria
  2. 2.Department of Chemistry, Faculty of ScienceAlexandria UniversityAlexandriaEgypt

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