WebElements Periodic Table of the Elements | Molybdenum

Molybdenum compounds: molybdenum pentachloride

The molybdenum in molybdenum pentachloride formally is in the oxidation state 5.

Molybdenum pentachloride

Formula as often written: MoCl₅
Hill system formula: Cl₅Mo₁
CAS registry number: [10241-05-1]
Formula weight: 273.203
Class: chloride

Synonyms

molybdenum pentachloride
molybdenum(V) chloride
molybdenum chloride

Physical properties

Colour: black or green-black
Appearance: crystalline solid
Melting point: 194°C
Boiling point: 268°C
Density: 2930 kg m^-3

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Element analysis

Element percentages for the elements in molybdenum pentachloride
Element	%
Cl	64.88
Mo	35.12

Synthesis

Not available

Solid state structure

Geometry of molybdenum:
Prototypical structure:

Crystal structure of molybdenum pentachloride

Isotope pattern

What follows is the calculated isotope pattern for the MoCl₅ unit with the most intense ion set to 100%.

Formula: Mo₁Cl₅

mass  %
267  21.5 ___________
268   0.0 
269  47.7 ________________________
270  23.0 ____________
271  67.5 __________________________________
272  50.7 _________________________
273  94.3 _______________________________________________
274  45.7 _______________________
275 100.0 __________________________________________________
276  21.7 ___________
277  66.7 _________________________________
278   5.7 ___
279  27.0 ______________
280   0.8 
281   6.5 ___
282   0.0 
283   0.8 
284   0.0 
285   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.