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Homoleptic Azidometalates.

Andreas Kornath1

  • 1Fachbereich Chemie der Universität 44221 Dortmund (Germany) Fax: (+49) 231-7553837.

Angewandte Chemie (International Ed. in English)
|May 2, 2018
PubMed
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Azidometalates are non-explosive when paired with large cations. Crystal structure analysis reveals azide ions function as ligands with diverse bridging capabilities in these stable compounds.

Area of Science:

  • Inorganic Chemistry
  • Solid-State Chemistry
  • Crystallography

Background:

  • Azidometalates are coordination compounds containing the azide (N3-) ligand.
  • The potential explosivity of azides has limited their study and application.
  • Understanding the structural and bonding properties of azidometalates is crucial for developing safer materials.

Purpose of the Study:

  • To investigate the structural characteristics of azidometalates with large cations.
  • To determine the coordination behavior of azide ions in solid-state compounds.
  • To elucidate the factors contributing to the non-explosive nature of these materials.

Main Methods:

  • Single crystal X-ray diffraction was employed to determine the precise atomic arrangements.
  • Covalent bonding interactions and coordination geometries were analyzed.
Keywords:
azidesazidometalatesnitrogen

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  • Structure-property relationships were examined to understand stability.

    • Main Results:

    • Solid azidometalates with sufficiently large cations exhibit non-explosive properties.
    • Azide ions were confirmed to act as covalently bound ligands.
    • Multiple bridging modes for the azide ligands were identified and characterized.

    Conclusions:

    • The presence of large cations stabilizes azidometalates, mitigating explosive hazards.
    • The covalent nature of azide-metal bonding and diverse bridging modes are key structural features.
    • This work provides fundamental insights into the safe design and synthesis of azidometalate compounds.