Palladium compounds: palladium dioxide

palladium symbol icon

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

Palladium dioxide

  • Formula as often written: PdO2
  • Hill system formula: O2Pd1
  • CAS registry number: [12036-04-3]
  • Formula weight: 138.419
  • Class: oxide

Synonyms

  • palladium dioxide
  • palladium(IV) oxide
  • palladium oxide

Physical properties

  • Colour: dark red or black
  • Appearance: crystalline solid
  • Melting point: 200°C (decomposes to PdO)
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in palladium dioxide
Element %
O 23.12
Pd 76.88

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the PdO2 unit with the most intense ion set to 100%.

Formula: Pd1O2

mass  %
134   3.7 __
135 0.0
136 40.7 ____________________
137 81.6 _________________________________________
138 100.0 __________________________________________________
139 0.4
140 97.0 ________________________________________________
141 0.1
142 43.2 ______________________
143 0.0
144 0.2

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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palladium atomic number