Iron pentacarbonyl

Iron compounds: iron pentacarbonyl

The iron in iron pentacarbonyl formally is in the oxidation state 0.

Iron pentacarbonyl

• Formula as often written: Fe(CO)₅
• Hill system formula: C₅Fe₁O₅
• CAS registry number: [13463-40-6]
• Formula weight: 195.895
• Class: carbonyl complex organometallic

Synonyms

• iron pentacarbonyl
• iron(O) carbonyl
• iron pentacarbonyl
• pentacarbonyl iron

Physical properties

• Colour: yellow
• Appearance: oily liquid. Toxic!!
• Melting point: -20.0°C
• Boiling point: 103°C
• Density: 1490 kg m^-3 (liquid)

Suppliers

Coming soon...

Element analysis

Element percentages for the elements in iron pentacarbonyl

Element	%
C	30.66
Fe	28.51
O	40.84

Synthesis

Not available

Solid state structure

• Geometry of iron: 5 coordinate: trigonal bipyramidal
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the Fe(CO)₅ unit with the most intense ion set to 100%.

Formula: Fe₁C₅O₅

mass  %
194   6.3 ___
195   0.4 
196 100.0 __________________________________________________
197   8.2 ____
198   1.6 _
199   0.1 
200   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.

WebElements Shop

WebElements now has an online shop at which you can buy periodic table posters, mugs, T-shirts, games, molecular models, and more.

Iron	Fer
Eisen	Ijzer
Ferro	Hierro
Järn	Ferro