Gold trifluoride
- Formula: AuF3
 - Hill system formula: Au1F3
 - CAS registry number: [14720-21-9]
 - Formula weight: 253.962
 - Class: fluoride
 - Colour: orange yellow
 - Appearance: crystalline solid
 - Melting point: >300°C
 - Boiling point:
 - Density: 6750 kg m-3
 
The following are some synonyms of gold trifluoride:
- gold trifluoride
 - gold(III) fluoride
 - auric fluoride
 - gold fluoride
 
The oxidation number of gold in gold trifluoride is 3.
Synthesis
Gold (III) fluoride is available through the direct interestion between the elements in a monel metal container (to counter reactivity of fluorine gas)
2Au + 3F2 → AuF3
Solid state structure
- Geometry of gold: 4 coordinate: square planar
 - Prototypical structure:
 

Element analysis
The table shows element percentages for AuF3 (gold trifluoride).
| Element | % | 
|---|---|
| Au | 77.56 | 
| F | 22.44 | 
Isotope pattern for AuF3
The chart below shows the calculated isotope pattern for the formula AuF3 with the most intense ion set to 100%.
References
The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.
- R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
 - N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
 - F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
 - A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
 - R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
 - A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
 - A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
 - J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
 - D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
 - J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
 - J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.
 
