WebElements Periodic Table of the Elements | Selenium

Selenium compounds: selenium dichloride

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

Selenium dichloride

Formula as often written: SeCl₂
Hill system formula: Cl₂Se₁
CAS registry number: [14457-70-6]
Formula weight: 149.865
Class: chloride

Synonyms

selenium dichloride
selenium(II) chloride
selenium chloride

Physical properties

Colour:
Appearance: detected in vapour phase
Melting point:
Boiling point:
Density:

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Element analysis

Element percentages for the elements in selenium dichloride
Element	%
Cl	47.31
Se	52.69

Synthesis

Not available

Solid state structure

Geometry of selenium:
Prototypical structure:

Crystal structure of selenium dichloride

Isotope pattern

What follows is the calculated isotope pattern for the SeCl₂ unit with the most intense ion set to 100%.

Formula: Se₁Cl₂

mass  %
144   1.4 _
145   0.0 
146  14.6 _______
147   1.2 _
148  44.8 ______________________
149   0.7 
150 100.0 __________________________________________________
151   0.1 
152  66.0 _________________________________
153   0.0 
154  16.7 ________
155   0.0 
156   1.4 _

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.