Erbium compounds: dierbium trioxide

erbium symbol icon

The erbium in dierbium trioxide formally is in the oxidation state 3.

Dierbium trioxide

  • Formula as often written: Er2O3
  • Hill system formula: Er2O3
  • CAS registry number: [12061-16-4]
  • Formula weight: 382.518
  • Class: oxide

Synonyms

  • dierbium trioxide
  • erbium(III) oxide
  • erbium oxide

Physical properties

  • Colour: pink
  • Appearance: solid
  • Melting point: 2418°C
  • Boiling point:
  • Density: 8640 kg m-3

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Element analysis

Element percentages for the elements in dierbium trioxide
Element %
Er 87.45
O 12.55

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Er2O3 unit with the most intense ion set to 100%.

Formula: Er2O3

mass  %
374   0.0 
375 0.0
376 0.5
377 0.3
378 4.8 __
379 3.1 __
380 51.2 __________________________
381 64.7 ________________________________
382 100.0 __________________________________________________
383 52.1 __________________________
384 72.8 ____________________________________
385 29.1 _______________
386 34.0 _________________
387 0.2
388 9.5 _____
389 0.0
390 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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erbium atomic number