WebElements mini logoChemistry: WebElements Periodic Table: Professional Edition: Tin: compound data [tin (II) iodide]
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50
Sn
118.710(7)

Compounds of tin:

tin (II) iodide

  • Formula as commonly written: SnI2
  • Hill system formula: I2Sn1
  • CAS registry number: [10294-70-9]
  • Formula weight: 372.519
  • Class: iodide

Synonyms

  • tin (II) iodide
  • tin diiodide
  • tin iodide
  • stannous iodide

Physical properties

  • Colour: red or red-orange
  • Appearance: crystalline solid
  • Melting point: 320°C
  • Boiling point: 714°C
  • Density: 5280 kg m-3

Element analysis and oxidation numbers

For each compound, and where possible, a formal oxidation number for each element is given, but the usefulness of this number is limited, especially so for p-block elements in particular. Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as a guide only.
Element % Formal oxidation state Formal electronic configuration
I 68.13 -1 [Kr].4d10.5s2.5p6
Sn 31.87 2 [Kr].4d10.5s2

Synthesis

Not available

Solid state structure

  • Geometry of tin:
  • Prototypical structure:

Crystal structure of tin (II) iodide

Isotope pattern

What follows is the calculated isotope pattern for the SnI2 unit with the most intense ion set to 100%.

Formula: Sn1I2

mass  %
366   3.0 __
367 0.0
368 2.0 _
369 1.0
370 44.6 ______________________
371 23.6 ____________
372 74.3 _____________________________________
373 26.4 _____________
374 100.0 __________________________________________________
375 0.0
376 14.2 _______
377 0.0
378 17.8 _________

Suppliers

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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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