Nickel oxide

Nickel compounds: nickel oxide

The nickel in nickel oxide formally is in the oxidation state 2.

Nickel oxide

• Formula as often written: NiO
• Hill system formula: Ni₁O₁
• CAS registry number: [1313-99-1]
• Formula weight: 74.693
• Class: oxide

Synonyms

• nickel oxide
• nickel(II) oxide

Physical properties

• Colour: green
• Appearance: crystalline solid
• Melting point: 1960°C
• Boiling point:
• Density: 6700 kg m^-3

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Element analysis

Element percentages for the elements in nickel oxide

Element	%
Ni	78.58
O	21.42

Synthesis

Not available

Solid state structure

• Geometry of nickel: 6 coordinate: octahedral
• Prototypical structure: NaCl (rock salt)

Isotope pattern

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

Formula: Ni₁O₁

mass  %
74 100.0 __________________________________________________
75   0.0 
76  38.7 ___________________
77   1.7 _
78   5.4 ___
79   0.0 
80   1.4 _
81   0.0 
82   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.

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Nickel	Nickel
Nickel	Nikkel
Nichel	Niquel
Nickel	Níquel