WebElements Periodic Table of the Elements | Iridium

Iridium compounds: iridium diselenide

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

Iridium diselenide

Formula as often written: IrSe₂
Hill system formula: Ir₁Se₂
CAS registry number: [12030-55-6]
Formula weight: 350.137
Class: selenide

Synonyms

iridium diselenide
iridium(IV) selenide
iridium selenide

Physical properties

Colour:
Appearance:
Melting point:
Boiling point:
Density:

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Element analysis

Element percentages for the elements in iridium diselenide
Element	%
Ir	54.90
Se	45.10

Synthesis

Not available

Solid state structure

Geometry of iridium:
Prototypical structure:

Crystal structure of iridium diselenide

Isotope pattern

What follows is the calculated isotope pattern for the IrSe₂ unit with the most intense ion set to 100%.

Formula: Ir₁Se₂

mass  %
339   0.0 
340   0.0 
341   0.2 
342   0.0 
343   2.1 _
344   0.2 
345  10.1 _____
346   0.8 
347  32.7 ________________
348   1.9 _
349  69.9 ___________________________________
350   2.0 _
351 100.0 __________________________________________________
352   0.3 
353  81.3 _________________________________________
354   0.0 
355  22.8 ___________
356   0.0 
357   2.0 _

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.