Zinc compounds: zinc dichloride

zinc symbol icon

The zinc in zinc dichloride formally is in the oxidation state 2.

Crystal structure of zinc dichloride

Zinc dichloride

  • Formula as often written: ZnCl2
  • Hill system formula: Cl2Zn1
  • CAS registry number: [7646-85-7]
  • Formula weight: 136.295
  • Class: chloride

Synonyms

  • zinc dichloride
  • zinc(II) chloride
  • zinc chloride

Physical properties

  • Colour: white
  • Appearance: crystalline solid
  • Melting point: 275°C, 290°C
  • Boiling point: 756°C, 732°C
  • Density: 2907 kg m-3

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Element analysis

Element percentages for the elements in zinc dichloride
Element %
Cl 52.02
Zn 47.98

Synthesis

Not available

Solid state structure

  • Geometry of zinc:
  • Prototypical structure:

Crystal structure of zinc dichloride

Isotope pattern

What follows is the calculated isotope pattern for the ZnCl2 unit with the most intense ion set to 100%.

Formula: Zn1Cl2

mass  %
134  82.4 _________________________________________
135 0.0
136 100.0 __________________________________________________
137 7.0 ____
138 70.6 ___________________________________
139 4.4 __
140 26.2 _____________
141 0.7
142 3.9 __
143 0.0
144 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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