WebElements Periodic Table of the Elements | Lanthanum

Lanthanum compounds: lanthanum tribromide

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

Lanthanum tribromide

Formula as often written: LaBr₃
Hill system formula: Br₃La₁
CAS registry number: [13536-79-3]
Formula weight: 378.617
Class: bromide

Synonyms

lanthanum tribromide
lanthanum(III) bromide
lanthanum bromide

Physical properties

Colour: white
Appearance: crystalline solid
Melting point: 783°C
Boiling point:
Density: 5100 kg m^-3

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Element analysis

Element percentages for the elements in lanthanum tribromide
Element	%
Br	63.31
La	36.69

Synthesis

Not available

Solid state structure

Geometry of lanthanum: 9 coordinate: tricapped trigonal prismatic
Prototypical structure: UCl3

Crystal structure of lanthanum tribromide

Isotope pattern

What follows is the calculated isotope pattern for the LaBr₃ unit with the most intense ion set to 100%.

Formula: La₁Br₃

mass  %
375   0.0 
376  34.3 _________________
377   0.1 
378 100.0 __________________________________________________
379   0.1 
380  97.3 _________________________________________________
381   0.0 
382  31.5 ________________

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.