Gold compounds: digold hexachloride

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The gold in digold hexachloride formally is in the oxidation state 3.

Crystal structure of digold hexachloride

Digold hexachloride

  • Formula as often written: [AuCl3]2
  • Hill system formula: Au2Cl6
  • CAS registry number: [13453-07-1]
  • Formula weight: 606.649
  • Class: chloride

Synonyms

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

Physical properties

  • Colour: red
  • Appearance: crystalline solid
  • Melting point: 160°C; 200°C (decomposes)
  • Boiling point:
  • Density: 4700 kg m-3

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Element analysis

Element percentages for the elements in digold hexachloride
Element %
Au 64.94
Cl 35.06

Synthesis

Not available

Solid state structure

  • Geometry of gold: 4 coordinate: square planar
  • Prototypical structure:

Crystal structure of digold hexachloride

Isotope pattern

What follows is the calculated isotope pattern for the [AuCl3]2 unit with the most intense ion set to 100%.

Formula: Au2Cl6

mass  %
604  52.1 __________________________
605 0.0
606 100.0 __________________________________________________
607 0.0
608 80.0 ________________________________________
609 0.0
610 34.1 _________________
611 0.0
612 8.2 ____
613 0.0
614 1.0
615 0.0
616 0.1

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.

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