Samarium tribromide

Samarium compounds: samarium tribromide

The samarium in samarium tribromide formally is in the oxidation state 3.

Samarium tribromide

• Formula as often written: SmBr₃
• Hill system formula: Br₃Sm₁
• CAS registry number: [13759-87-0]
• Formula weight: 390.072
• Class: bromide

Synonyms

• samarium tribromide
• samarium(III) bromide
• samarium bromide

Physical properties

• Colour: yellow
• Appearance: crystalline solid
• Melting point: 640°C; 664°C
• Boiling point:
• Density:

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Element analysis

Element percentages for the elements in samarium tribromide

Element	%
Br	61.45
Sm	38.55

Synthesis

Not available

Solid state structure

• Geometry of samarium: 8 coordinate: bicapped trigonal prismatic
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the SmBr₃ unit with the most intense ion set to 100%.

Formula: Sm₁Br₃

mass  %
381   2.1 _
382   0.0 
383   6.1 ___
384  10.1 _____
385  13.5 _______
386  38.7 ___________________
387  29.0 ______________
388  55.7 ____________________________
389  54.0 ___________________________
390  35.6 __________________
391  88.7 ____________________________________________
392   8.5 ____
393 100.0 __________________________________________________
394   0.0 
395  59.8 ______________________________
396   0.0 
397  14.0 _______

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.

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Samarium	Samarium
Samarium	Samarium
Samario	Samario
Samarium	Samário