Diselenium dichloride

Selenium compounds: diselenium dichloride

The selenium in diselenium dichloride formally is in the oxidation state 1.

Diselenium dichloride

• Formula as often written: Se₂Cl₂
• Hill system formula: Cl₂Se₂
• CAS registry number: [10025-68-0]
• Formula weight: 228.825
• Class: chloride

Synonyms

• diselenium dichloride
• selenium(I) chloride
• selenium chloride

Physical properties

• Colour: yellow-brown
• Appearance: liquid
• Melting point: -85°C
• Boiling point: 130°C
• Density: 2774 kg m^-3

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Element analysis

Element percentages for the elements in diselenium dichloride

Element	%
Cl	30.99
Se	69.01

Synthesis

Not available

Solid state structure

• Geometry of selenium:
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the Se₂Cl₂ unit with the most intense ion set to 100%.

Formula: Se₂Cl₂

mass  %
218   0.0 
219   0.0 
220   0.4 
221   0.0 
222   2.9 _
223   0.3 
224  12.8 ______
225   1.0 
226  38.8 ___________________
227   2.1 _
228  75.2 ______________________________________
229   1.4 _
230 100.0 __________________________________________________
231   0.4 
232  65.0 ________________________________
233   0.0 
234  20.7 __________
235   0.0 
236   3.2 __
237   0.0 
238   0.2 

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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Selenium	Sélénium
Selen	Selenium
Selenio	Selenio
Selen	Selênio