thermal decompn. from 500°C;

in neat (no solvent) Irradiation (UV/VIS); HF condensed on mixt. of AuF3, SbF5 and CsF in vac. line, tube sealed, irradiated at room temp.; slow cooling to -78°C;

in hydrogen fluoride HF (liquid); (no H2O); AuF3 and SbF5 placed in reaction tube, HF and AsF3 condensed (-196 °C), warmed to room temp. (AsF5 evoluted, Au ppt. formed), after gas evolution ceased, Xe condensed (-196 °C), tube sealed, cooled to -50 °C;

thermal decompn. from 500°C;