Germanium compounds: germanium diselenide

germanium symbol icon

The germanium in germanium diselenide formally is in the oxidation state 4.

Crystal structure of germanium diselenide

Germanium diselenide

  • Formula as often written: GeSe2
  • Hill system formula: Ge1Se2
  • CAS registry number: [12065-11-1]
  • Formula weight: 230.53
  • Class: selenide

Synonyms

  • germanium diselenide
  • germanium(IV) selenide
  • germanium selenide

Physical properties

  • Colour: yellow-orange
  • Appearance: crystalline solid
  • Melting point: 707°C
  • Boiling point:
  • Density: 4560 kg m-3

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Element analysis

Element percentages for the elements in germanium diselenide
Element %
Ge 31.50
Se 68.50

Synthesis

Not available

Solid state structure

  • Geometry of germanium:
  • Prototypical structure:

Crystal structure of germanium diselenide

Isotope pattern

What follows is the calculated isotope pattern for the GeSe2 unit with the most intense ion set to 100%.

Formula: Ge1Se2

mass  %
218   0.0 
219 0.0
220 0.2
221 0.0
222 1.5 _
223 0.2
224 7.4 ____
225 1.1 _
226 24.9 ____________
227 3.5 __
228 56.5 ____________________________
229 7.5 ____
230 93.7 _______________________________________________
231 11.3 ______
232 100.0 __________________________________________________
233 11.7 ______
234 74.7 _____________________________________
235 3.6 __
236 28.3 ______________
237 0.3
238 4.9 __
239 0.0
240 0.3

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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germanium atomic number