Mercury compounds: mercury oxide

mercury symbol icon

The mercury in mercury oxide formally is in the oxidation state 2.

Crystal structure of mercury oxide

Mercury oxide

  • Formula as often written: HgO
  • Hill system formula: Hg1O1
  • CAS registry number: [21908-53-2]
  • Formula weight: 216.589
  • Class: oxide

Synonyms

  • mercury oxide
  • mercury(II) oxide
  • mercuric oxide

Physical properties

  • Colour: yellow or red
  • Appearance: crystalline solid
  • Melting point: 500°C (decomposes)
  • Boiling point:
  • Density: 11140 kg m-3

Suppliers

Coming soon...

Element analysis

Element percentages for the elements in mercury oxide
Element %
Hg 92.61
O 7.39

Synthesis

Not available

Solid state structure

  • Geometry of mercury: 2 coordinate: linear
  • Prototypical structure:

Crystal structure of mercury oxide

Isotope pattern

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

Formula: Hg1O1

mass  %
212   0.5 
213 0.0
214 33.3 _________________
215 56.4 ____________________________
216 77.3 _______________________________________
217 44.2 ______________________
218 100.0 __________________________________________________
219 0.1
220 23.2 ____________
221 0.0
222 0.0

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.

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

mercury atomic number