trifluorogold

Chemical Properties

orange-yellow hexagonal crystal(s) [CRC10]

Physical properties

Orange-yellow hexagonal crystal; density 6.75 g/cm₃; sublimes at 300°C; decomposes at 500°C.

Preparation

Gold(III) fluoride is prepared by fluorination of gold(III) chloride, AuCl₃ (or Au₂Cl₆), at 300°C. Either fluorine gas or hydrogen fluoride may be used as a fluorinating agent.