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Lithium compounds: trilithium nitride
The lithium in trilithium nitride formally is in the oxidation state 1.

Trilithium nitride
- Formula as often written: Li3N
- Hill system formula: Li3N1
- CAS registry number: [26134-62-3]
- Formula weight: 34.83
- Class: nitride
Synonyms
- trilithium nitride
- lithium(I) nitride
- lithium nitride
Physical properties
- Colour: purple or red
- Appearance: crystalline solid
- Melting point: 813°C
- Boiling point:
- Density: 1270 kg m-3
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Element analysis
Element percentages for the elements in trilithium nitride
| Element |
% |
| Li |
59.79 |
| N |
40.21 |
Synthesis
One way to make lithium nitride is by the rection of lithium metal with pressurized nitrogen gas (> 10 atmospheres) at high temperatures
6Li(l) + N2(g) (800°C, 10 atm) → 2Li3N(s)
Solid state structure
- Geometry of lithium:
- Prototypical structure:

Isotope pattern
What follows is the calculated isotope pattern for the Li3N unit with the most intense ion set to 100%.
Formula: Li3N1
mass %
32 0.1 33 2.0 _ 34 24.3 ____________ 35 100.0 __________________________________________________ 36 0.4
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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