Magnesium compounds: trimagnesium dinitride

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The magnesium in trimagnesium dinitride formally is in the oxidation state 2.

Trimagnesium dinitride

  • Formula as often written: Mg3N2
  • Hill system formula: Mg3N2
  • CAS registry number: [12057-71-5]
  • Formula weight: 100.928
  • Class: nitride

Synonyms

  • trimagnesium dinitride
  • magnesium(II) nitride
  • magnesium nitride

Physical properties

  • Colour: yellow or yellow-green
  • Appearance: crystalline solid
  • Melting point: 270°C (decomposes)
  • Boiling point:
  • Density: 2710 kg m-3

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Element analysis

Element percentages for the elements in trimagnesium dinitride
Element %
Mg 72.24
N 27.76

Synthesis

Magnesium hydride is available from the direct interaction of magnesium metal and nitrogen gas.

3Mg(s) + N2(g) → Mg3N2(s)

Isotope pattern

What follows is the calculated isotope pattern for the Mg3N2 unit with the most intense ion set to 100%.

Formula: Mg3N2

mass  %
100 100.0 __________________________________________________
101 38.7 ___________________
102 46.9 _______________________
103 11.1 ______
104 6.6 ___
105 0.8
106 0.3

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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