WebElements Periodic Table of the Elements | Europium

Europium compounds: europium dichloride dihydrate

The europium in europium dichloride dihydrate formally is in the oxidation state 2.

Europium dichloride dihydrate

Formula as often written: EuCl₂.2H₂O
Hill system formula: Cl₂Eu₁H₄O₂
CAS registry number: [70442-98-7]
Formula weight: 258.9
Class: chloride

Synonyms

europium dichloride dihydrate
europium(II) chloride 2-water
europium chloride 2-water

Physical properties

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

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Element analysis

Element percentages for the elements in europium dichloride dihydrate
Element	%
Cl	27.39
Eu	58.70
H	1.56
O	12.36

Synthesis

Not available

Solid state structure

Geometry of europium:
Prototypical structure:

Crystal structure of europium dichloride dihydrate

Isotope pattern

What follows is the calculated isotope pattern for the EuCl₂.2H₂O unit with the most intense ion set to 100%.

Formula: Eu₁Cl₂H₄O₂

mass  %
257  57.6 _____________________________
258   0.1 
259 100.0 __________________________________________________
260   0.1 
261  46.5 _______________________
262   0.1 
263   6.6 ___
264   0.0 
265   0.0

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.