WebElements Periodic Table of the Elements | Germanium

Germanium compounds: germanium difluoride

The germanium in germanium difluoride formally is in the oxidation state 2.

Germanium difluoride

Formula as often written: GeF₂
Hill system formula: F₂Ge₁
CAS registry number: [13940-63-1]
Formula weight: 110.607
Class: fluoride

Synonyms

germanium difluoride
germanium(II) fluoride
germanium fluoride

Physical properties

Colour: white
Appearance: crystalline solid
Melting point: 110°C
Boiling point: 130°C
Density: 3640 kg m^-3

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Element analysis

Element percentages for the elements in germanium difluoride
Element	%
F	34.35
Ge	65.65

Synthesis

Not available

Solid state structure

Geometry of germanium:
Prototypical structure:

Crystal structure of germanium difluoride

Isotope pattern

What follows is the calculated isotope pattern for the GeF₂ unit with the most intense ion set to 100%.

Formula: Ge₁F₂

mass  %
108  59.1 ______________________________
109   0.0 
110  77.0 ______________________________________
111  21.5 ___________
112 100.0 __________________________________________________
113   0.0 
114  20.7 __________

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.