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Chemistry. 2016 May 10;22(20):6787-92. doi: 10.1002/chem.201600782. Epub 2016 Mar 31.

Molecular Gold Wire from Mixed-Valent Au(I/III) Complexes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Matthias Böge, Jürgen Heck

Affiliations

  1. Institute of Inorganic and Applied Chemistry, Hamburg University, Martin-Luther-King-Platz 6, 20146, Hamburg, Gemany. [email protected].
  2. Institute of Inorganic and Applied Chemistry, Hamburg University, Martin-Luther-King-Platz 6, 20146, Hamburg, Gemany. [email protected].

PMID: 27032070 DOI: 10.1002/chem.201600782

Abstract

Crystals of mixed-valent Au complexes have been grown from solutions of cyclohexanecarbonitrile and a stoichiometric amount of gold(I) and gold(III) chloride. The purely obtained compound was characterized as bis(cyclohexanecarbonitrile)gold(I) tetrachloridoaurate(III). The crystal packing of the mixed valent Au(I/III) compound demonstrates a columnar arrangement of the gold(I) and gold(III) atoms. The new structure displays the shortest unsupported gold(I)-gold(III) interactions with the sub-van der Waals distance of 324-325 pm, which is assumed as an aurophilic bonding interaction.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: aurophilicity; columnar structure; gold complexes; mixed valence; self-assembly

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