Halides of Copper, Gold, Mercury, Antimony, and Bismuth

CHALCOGENIDE HALIDES OF COPPER, GOLD, MERCURY, ANTIMONY, AND BISMUTH 

Submitted by A. RABENAU and H. RAUf Checked by R. KERSHAW and A. WOLD  

Most of these ternary compounds can, in principle, be prepared by high-temperature reactions, e.g., heating the respective elements or binary components (or both) together in sealed glass or silica ampuls. A certain knowledge of the thermal stabilities of the respective compounds is required. Separation from other phases often causes difficulties. 

Hydrothermal synthesis in hydrogen halide acids leads directly to isolated single crystals of the ternary compounds suitable for x-ray investigation and physical measurement.1,2 

No systematic study has been made to complete the list of substances given below. The reader is invited to look for further examples. The chalcogenide halides are formed by reaction of mixtures of the respective elements or binary components, or both, in the appropriate hydrogen halide acid under hydrothermal conditions. Temperatures are in the range of 500-100°C. The densities of the fluid are at least 55% of room-temperature values the corresponding pressures are not known in most cases. 

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