Molybdenum compounds: molybdenum pentachloride

molybdenum symbol icon

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

Crystal structure of molybdenum pentachloride

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.

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molybdenum atomic number