Mercury Thiolato Complexes: Syntheses, Crystal Structures, and DecompositionPathways

摘要

The soft RS- ligand displays a high affinity for many metals, particularly towardmercury. The structural chemistry of mercury bis(thiolate) compounds and species of the general formula ClHgSR has been studied. These compounds show a remarkable structural variety, mainly due to the flexible coordination properties of mercury. They have a tendency to form oligomers or polymers by intermolecular Hg-S or Hg-Cl interactions, or both. Their solubility in polar organic solvents and their thermal instability combine to make these compounds potential candidates as unimolecular precursors for the thermolytic preparation of metal sulfide materials. This property has ramifications for the more thermally labile metal selenolates and tellurolates, which potentially could serve as precursors in the preparation of compositions such as HgTe or Hg(1-x)Cd(x)Te, materials displaying interesting electrical and optical properties.