WebElements Periodic Table of the Elements | Zirconium

Zirconium compounds: zirconium dioxide

The zirconium in zirconium dioxide formally is in the oxidation state 4.

Zirconium dioxide

Formula as often written: ZrO₂
Hill system formula: O₂Zr₁
CAS registry number: [1314-23-4]
Formula weight: 123.223
Class: oxide

Synonyms

zirconium dioxide
zirconium(IV) oxide
zirconium oxide

Physical properties

Colour: white
Appearance: solid
Melting point: 2677°C; 2710°C
Boiling point:
Density: 5680 kg m^-3

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Element analysis

Element percentages for the elements in zirconium dioxide
Element	%
O	25.97
Zr	74.03

Synthesis

Not available

Solid state structure

Geometry of zirconium:
Prototypical structure:

Crystal structure of zirconium dioxide

Isotope pattern

What follows is the calculated isotope pattern for the ZrO₂ unit with the most intense ion set to 100%.

Formula: Zr₁O₂

mass  %
122 100.0 __________________________________________________
123  21.9 ___________
124  33.8 _________________
125   0.1 
126  33.9 _________________
127   0.0 
128   5.6 ___
129   0.0 
130   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.