WebElements Periodic Table of the Elements | Promethium

Promethium compounds: promethium trichloride

The promethium in promethium trichloride formally is in the oxidation state 3.

Promethium trichloride

Formula as often written: PmCl₃
Hill system formula: Cl₃Pm₁
CAS registry number: [13779-10-7]
Formula weight: 251.271
Class: chloride

Synonyms

promethium trichloride
promethium(III) chloride
promethium chloride

Physical properties

Colour:
Appearance:
Melting point: 737°C
Boiling point: 1670°C
Density:

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Element analysis

Element percentages for the elements in promethium trichloride
Element	%
Cl	42.33
Pm	57.67

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the PmCl₃ unit with the most intense ion set to 100%.

Formula: Pm₁Cl₃

mass  %
252 100.0 __________________________________________________
253   0.0 
254  95.9 ________________________________________________
255   0.0 
256  30.7 _______________
257   0.0 
258   3.3 __

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.