Names | |
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IUPAC name
Gold(III) fluoride
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Other names
Gold trifluoride
Auric fluoride |
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
PubChem CID
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Properties | |
AuF3 | |
Molar mass | 253.962 g/mol |
Appearance | orange-yellow hexagonal crystals |
Density | 6.75 g/cm3 |
Melting point | sublimes above 300°C |
+74·10−6 cm3/mol | |
Structure | |
Hexagonal, hP24 | |
P6122, No. 178 | |
Thermochemistry | |
Std enthalpy of
formation (ΔfH |
-363.3 kJ/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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what is ?) | (|
Infobox references | |
Gold(III) fluoride, AuF3, is an orange solid that sublimes at 300 °C. It is a powerful fluorinating agent.
AuF3 can be prepared by reacting AuCl3 with F2 or BrF3.
The crystal structure of AuF3 consists of spirals of square-planar AuF4 units.