Digold hexachloride

  • Formula: [AuCl3]2
  • Hill system formula: Au2Cl6
  • CAS registry number: [13453-07-1]
  • Formula weight: 606.649
  • Class: chloride
  • Colour: red
  • Appearance: crystalline solid
  • Melting point: 160°C; 200°C (decomposes)
  • Boiling point:
  • Density: 4700 kg m-3

The following are some synonyms of digold hexachloride:

  • digold hexachloride
  • gold(III) chloride
  • auric chloride
  • gold chloride
  • gold trichloride

The oxidation number of gold in digold hexachloride is 3.


Not available

Solid state structure

  • Geometry of gold: 4 coordinate: square planar
  • Prototypical structure:
Crystal structure of digold hexachloride.
Crystal structure of digold hexachloride.

Element analysis

The table shows element percentages for [AuCl3]2 (digold hexachloride).

Element %
Au 64.94
Cl 35.06

Isotope pattern for [AuCl3]2

The chart below shows the calculated isotope pattern for the formula [AuCl3]2 with the most intense ion set to 100%.


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.

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