WebElements Periodic Table of the Elements | Gadolinium

Gadolinium compounds: gadolinium selenide

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

Gadolinium selenide

Formula as often written: GdSe
Hill system formula: Gd₁Se₁
CAS registry number: [12024-81-6]
Formula weight: 236.21
Class: selenide

Synonyms

gadolinium selenide
gadolinium(II) selenide

Physical properties

Colour:
Appearance: crystalline solid
Melting point: 2170°C
Boiling point:
Density: 8100 kg m^-3

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Element analysis

Element percentages for the elements in gadolinium selenide
Element	%
Gd	66.57
Se	33.43

Synthesis

Not available

Isotope pattern

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

Formula: Gd₁Se₁

mass  %
226   0.0 
227   0.0 
228   0.2 
229   0.7 
230   2.2 _
231   7.7 ____
232  14.4 _______
233  26.1 _____________
234  43.8 ______________________
235  58.0 _____________________________
236  93.9 _______________________________________________
237  48.0 ________________________
238 100.0 __________________________________________________
239   7.4 ____
240  67.8 __________________________________
241   0.0 
242  10.4 _____

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.