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Crystal and molecular structures of di-µ-azido-bis-[N,N,N′,N′-tetramethylethylenediamine azido copper(II)]

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Abstract

The title compound has been synthesized and its structure at room temperature has been solved. It crystallizes in the space groupP21/c, witha=9.581(5),b=13.746(4),c=8.869(1) Å, β=101.000(5)°, andZ=2. The structure was refined toR=0.029 from 1738 reflections. It consists of centrosymmetric dimeric units with two asymmetric end-to-end azido bridges. Each copper(II) ion is fivefold coordinated in the form of a slightly distorted square-based pyramid CuN5. The apical position is occuped by a nitrogen atom of the azido bridge with a Cu-N apical bond of 2.456(6) Å. The Cu-N bond with the azido bridge in the basal plane is 1.979(5) Å. The intradimer Cu⋯Cu distance is 5.004(2) Å. The magnetic properties and the X-band EPR spectrum are interpreted in the light of these structural data.

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Authors and Affiliations

  1. Laboratoire de Chimie Structurale des Matériaux, Université Pierre et Marie Curie, 4 Place Jussieu, 75230, Paris, France

    Itka Bkouche-Waksman

  2. Laboratoire de Spectrochimie des Eléments de Transition, ERA 672, Université de Paris Sud, 91405, Orsay, France

    Sonia Sikorav & Olivier Kahn

Authors
  1. Itka Bkouche-Waksman
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  2. Sonia Sikorav
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  3. Olivier Kahn
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Bkouche-Waksman, I., Sikorav, S. & Kahn, O. Crystal and molecular structures of di-µ-azido-bis-[N,N,N′,N′-tetramethylethylenediamine azido copper(II)]. Journal of Crystallographic and Spectroscopic Research 13, 303–310 (1983). https://doi.org/10.1007/BF01158910

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  • DOI: https://doi.org/10.1007/BF01158910

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