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Updated: Jun 1, 2026

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals
Published on: April 19, 2019
1,3-Benzothia-zolium tetra-chlorido-aurate(III) tetra-hydro-furan solvate
Tesfamariam K Hagos1, Stefan D Nogai, Liliana Dobrzańska
1Department of Chemistry, University of Stellenbosch, Private Bag X1, Matieland, South Africa.
Abstract:
In the crystal structure of the title ionic compound (C(7)H(6)NS)[AuCl(4)]·C(4)H(8)O, the [AuCl(4)](-) anion shows a typical square-planar geometry. Numerous weak C-H⋯Cl hydrogen bonds between [AuCl(4)](-) and the 1,3-benzothia-zolium units form layers comprised of 24-membered rings in which hydrogen-bonded tetra-hydro-furan (THF) solvent mol-ecules are accommodated. C-H⋯Cl inter-actions between THF and [AuCl(4)](-) from adjacent layers result in bilayers. These are further stabilized by π-π inter-actions between the thia-zole and benzene rings [centroid-centroid distance = 3.971 (3) Å], resulting in the formation of a three-dimensional supra-molecular assembly.
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