Niobium compounds: niobium tetraiodide

niobium symbol icon

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

Crystal structure of niobium tetraiodide

Niobium tetraiodide

  • Formula as often written: NbI4
  • Hill system formula: I4Nb1
  • CAS registry number: [13870-21-8]
  • Formula weight: 600.524
  • Class: iodide

Synonyms

  • niobium tetraiodide
  • niobium(IV) iodide
  • niobium iodide

Physical properties

  • Colour: dark grey
  • Appearance: crystalline solid
  • Melting point: 503°C
  • Boiling point:
  • Density: 5600 kg m-3

Suppliers

Coming soon...

Element analysis

Element percentages for the elements in niobium tetraiodide
Element %
I 84.53
Nb 15.47

Synthesis

Not available

Solid state structure

  • Geometry of niobium:
  • Prototypical structure:

Crystal structure of niobium tetraiodide

Isotope pattern

What follows is the calculated isotope pattern for the NbI4 unit with the most intense ion set to 100%.

Formula: Nb1I4

mass  %
601 100.0 __________________________________________________

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 a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

niobium atomic number