Carbon compounds: carbon tetraiodide

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The carbon in carbon tetraiodide formally is in the oxidation state 4.

Crystal structure of carbon tetraiodide

Carbon tetraiodide

  • Formula as often written: CI4
  • Hill system formula: C1I4
  • CAS registry number: [507-25-5]
  • Formula weight: 519.629
  • Class: iodide

Synonyms

  • carbon tetraiodide
  • carbon(IV) iodide
  • carbon iodide
  • tetraiodomethane

Physical properties

  • Colour: red
  • Appearance: solid, crystalline
  • Melting point: 171 (decomposes)
  • Boiling point: 130
  • Density: 4.34 (20°C relative to water at 4°C)

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Element analysis

Element percentages for the elements in carbon tetraiodide
Element %
C 2.31
I 97.69

Synthesis

Not available

Solid state structure

  • Geometry of carbon: 4 coordinate: tetrahedral
  • Prototypical structure:

Crystal structure of carbon tetraiodide

Isotope pattern

What follows is the calculated isotope pattern for the CI4 unit with the most intense ion set to 100%.

Formula: C1I4

mass  %
520 100.0 __________________________________________________
521 1.1 _

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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