Diversity of aggregation motifs in gold(i) dithiocarboxylate complexes.

Dalton Trans

Anorganische Chemie und Strukturchemie, Centrum für molekulare Materialien, CM2, Fakultät für Chemie, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany.

Published: March 2018

AI Article Synopsis

  • Neutral gold(I) dithiocarboxylate complexes were synthesized using different-sized substituents attached to the dithiocarboxylate unit and potassium dicyanoaurate(I).
  • These complexes were characterized through IR spectroscopy, elemental analysis, and single crystal X-ray diffraction to determine their structures.
  • The study highlights the presence of dinuclear complexes with aurophilic interactions, exploring how the size of the substituents affects the molecular structures and aggregation patterns in the solid state.

Article Abstract

Neutral, homoleptic gold(i) dithiocarboxylate complexes with different-sized Me, iPr, Mes, Tip, Mes* and Dmp substituents at the dithiocarboxylate unit were synthesized by reacting the corresponding dithiocarboxylic acid with potassium dicyanoaurate(i). They were characterized by IR spectroscopy and elemental analyses and their structures were determined by single crystal X-ray diffraction. The dinuclear complexes with an intramolecular d10-d10 type aurophilic interaction aggregate through additional intermolecular aurophilic interactions in different binding motifs. The molecular structures and the patterns of aggregation in the solid state are presented and discussed with respect to the influence of the substituent size.

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http://dx.doi.org/10.1039/c8dt00342dDOI Listing

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