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Abstract <p>The interaction of freshly precipitated binuclear [Zn<sub>2</sub>(S<sub>2</sub>CNPr<sub>2</sub>)<sub>4</sub>] with an H[AuCl<sub>4</sub>]/2 M HCl solution has afforded the dipropyldithiocarbamato-chlorido complexes of gold(III): ionic [Au(S<sub>2</sub>CNPr<sub>2</sub>)<sub>2</sub>][AuCl<sub>4</sub>] (<b>1</b>) and molecular [Au(S<sub>2</sub>CNPr<sub>2</sub>)Cl<sub>2</sub>] (<b>2</b>) ones, the structural organization of which has been elucidated using single-crystal XRD. Supramolecular self-assembly of the complexes involving multiple non-covalent interactions (secondary bonds Au···S, S···Cl and non-classical hydrogen bonds C–H···Cl) leads to the formation of 2D pseudo-polymeric layers. In a solution, ionic complex <b>1</b> tends to undergo gradual spontaneous transformation into molecular compound <b>2</b>. The only final product of thermal decomposition of the considered compounds is microcrystalline elemental gold.</p>

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Dithiocarbamato-Chlorido Gold(III) Complexes [Au(S2CNPr2)2][AuCl4] and [Au(S2CNPr2)Cl2]: Structural Organization, Interconversions in Solution, and Thermal Behavior

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • O. A. Bredyuk,
  • T. A. Rodina,
  • E. V. Korneeva,
  • S. V. Zinchenko,
  • A. I. Smolentsev,
  • A. V. Ivanov

摘要

Abstract

The interaction of freshly precipitated binuclear [Zn2(S2CNPr2)4] with an H[AuCl4]/2 M HCl solution has afforded the dipropyldithiocarbamato-chlorido complexes of gold(III): ionic [Au(S2CNPr2)2][AuCl4] (1) and molecular [Au(S2CNPr2)Cl2] (2) ones, the structural organization of which has been elucidated using single-crystal XRD. Supramolecular self-assembly of the complexes involving multiple non-covalent interactions (secondary bonds Au···S, S···Cl and non-classical hydrogen bonds C–H···Cl) leads to the formation of 2D pseudo-polymeric layers. In a solution, ionic complex 1 tends to undergo gradual spontaneous transformation into molecular compound 2. The only final product of thermal decomposition of the considered compounds is microcrystalline elemental gold.