WebElements Periodic Table of the Elements | Selenium

Selenium compounds: selenium difluoride

The selenium in selenium difluoride formally is in the oxidation state 2.

Selenium difluoride

Formula as often written: SeF₂
Hill system formula: F₂Se₁
CAS registry number: [70421-43-1]
Formula weight: 116.957
Class: fluoride

Synonyms

selenium difluoride
selenium(II) fluoride
difluoroselane
selenium fluoride

Physical properties

Colour:
Appearance: trapped at low temperature[[2]]
Melting point:
Boiling point:
Density:

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Element analysis

Element percentages for the elements in selenium difluoride
Element	%
F	32.49
Se	67.51

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the SeF₂ unit with the most intense ion set to 100%.

Formula: Se₁F₂

mass  %
112   1.8 _
113   0.0 
114  18.1 _________
115   1.5 _
116  47.5 ________________________
117   0.0 
118 100.0 __________________________________________________
119   0.0 
120  18.5 _________

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.