Cadmium compounds: cadmium selenide

cadmium symbol icon

The cadmium in cadmium selenide formally is in the oxidation state 2.

Crystal structure of cadmium selenide

Cadmium selenide

  • Formula as often written: CdSe
  • Hill system formula: Cd1Se1
  • CAS registry number: [1306-24-7]
  • Formula weight: 191.371
  • Class: selenide

Synonyms

  • cadmium selenide
  • cadmium(II) selenide

Physical properties

  • Colour: yellow to red (or white?)
  • Appearance:
  • Melting point: 1240°C; >1500°C
  • Boiling point:
  • Density: 5810 kg m-3

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Element analysis

Element percentages for the elements in cadmium selenide
Element %
Cd 58.74
Se 41.26

Synthesis

Not available

Solid state structure

  • Geometry of cadmium: 4 coordinate: tetrahedral
  • Prototypical structure:

Crystal structure of cadmium selenide

Isotope pattern

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

Formula: Cd1Se1

mass  %
180   0.1 
181 0.0
182 0.6
183 0.0
184 2.4 _
185 0.6
186 10.5 _____
187 6.6 ___
188 29.3 _______________
189 20.9 __________
190 71.5 ____________________________________
191 45.9 _______________________
192 100.0 __________________________________________________
193 35.5 __________________
194 88.7 ____________________________________________
195 5.5 ___
196 30.9 _______________
197 0.0
198 3.3 __

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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cadmium atomic number