Palladium compounds: palladium oxide

palladium symbol icon

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

Crystal structure of palladium oxide

Palladium oxide

  • Formula as often written: PdO
  • Hill system formula: O1Pd1
  • CAS registry number: [1314-08-5]
  • Formula weight: 122.419
  • Class: oxide

Synonyms

  • palladium oxide
  • palladium(II) oxide

Physical properties

  • Colour: black or green-black
  • Appearance: crystalline solid
  • Melting point: 750°C (decomposes)
  • Boiling point:
  • Density: 8300 kg m-3

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Element analysis

Element percentages for the elements in palladium oxide
Element %
O 13.07
Pd 86.93

Synthesis

Not available

Solid state structure

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

Crystal structure of palladium oxide

Isotope pattern

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

Formula: Pd1O1

mass  %
118   3.7 __
119 0.0
120 40.7 ____________________
121 81.6 _________________________________________
122 100.0 __________________________________________________
123 0.2
124 96.9 ________________________________________________
125 0.0
126 43.0 ______________________
127 0.0
128 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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palladium atomic number