Sodium nitride

Sodium nitride
Names
	IUPAC name Sodium nitride
Identifiers
CAS Number	12136-83-3 ;
3D model (JSmol)	Interactive image; Interactive image; Interactive image;
ECHA InfoCard	100.032.017
EC Number	235-232-3;
	InChI InChI=1/3Na.N Key: ZOULLXMSYSKRPG-UHFFFAOYNA-N;
	SMILES [Na]N([Na])[Na]; [Na+].[Na+].[Na+].[N-3]; [Na+].[Na][N-][Na];
Properties
Chemical formula	Na3N
Molar mass	82.976 g/mol
Appearance	reddish brown or dark blue solid
Melting point	87 °C (189 °F; 360 K) (decomposes)
Solubility in water	reacts
Structure
Crystal structure	Cubic, cP4
Space group	Pm3m
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	-151 J/mol
Related compounds
Other anions	Sodium amide; Sodium imide
Other cations	Lithium nitride; Potassium nitride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium nitride is the inorganic compound with the chemical formula Na₃N. In contrast to lithium nitride and some other nitrides, sodium nitride is an extremely unstable alkali metal nitride. It can be generated by combining atomic beams of sodium and nitrogen deposited onto a low-temperature sapphire substrate. It readily decomposes into its elements:

{\ce {2 Na3N -> 6 Na + N2}}

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