WebElements Periodic Table of the Elements | Molybdenum

Molybdenum compounds: molybdenum trichloride

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

Molybdenum trichloride

Formula as often written: MoCl₃
Hill system formula: Cl₃Mo₁
CAS registry number: [13478-18-7]
Formula weight: 202.298
Class: chloride

Synonyms

molybdenum trichloride
molybdenum(III) chloride
molybdenum chloride

Physical properties

Colour: very dark red
Appearance: crystalline solid
Melting point: 1027°C (decomposes)
Boiling point:
Density: 3740 kg m^-3

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Element analysis

Element percentages for the elements in molybdenum trichloride
Element	%
Cl	52.57
Mo	47.43

Synthesis

Not available

Solid state structure

Geometry of molybdenum:
Prototypical structure:

Crystal structure of molybdenum trichloride

Isotope pattern

What follows is the calculated isotope pattern for the MoCl₃ unit with the most intense ion set to 100%.

Formula: Mo₁Cl₃

mass  %
197  34.2 _________________
198   0.0 
199  54.0 ___________________________
200  36.6 __________________
201  69.3 ___________________________________
202  57.1 _____________________________
203 100.0 __________________________________________________
204  32.3 ________________
205  87.9 ____________________________________________
206   7.9 ____
207  39.6 ____________________
208   0.7 
209   8.6 ____
210   0.0 
211   0.7

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.