Calcium nitride

Calcium nitride
	Unit cell containing 31 nitride ions (white) and 48 calcium ions (red). Each nitride is surrounded by six calcium, and each calcium by four nitride ions.
Names
	IUPAC name Calcium nitride
	Other names tricalcium dinitride
Identifiers
CAS Number	12013-82-0 ;
3D model (JSmol)	Interactive image; Interactive image; Interactive image;
ChemSpider	10617534;
ECHA InfoCard	100.031.435
EC Number	234-592-9;
PubChem CID	3387080;
CompTox Dashboard (EPA)	DTXSID30892172 ;
	InChI InChI=1S/3Ca.2N; InChI=1S/3Ca.2N/q3+2;2-3; InChI=1S/3Ca.2N/q;;+2;2*-1;
	SMILES [Ca]=N[Ca]N=[Ca]; [Ca+2].[Ca+2].[Ca+2].[N-3].[N-3]; [Ca]=[N-].[Ca+2].[N-]=[Ca];
Properties
Chemical formula	Ca3N2
Molar mass	148.248 g·mol−1
Appearance	red-brown crystalline solid
Density	2.670 g/cm3 ; 2.63 g/cm3 (17 °C)
Melting point	1,195 °C (2,183 °F; 1,468 K)
Solubility in water	decomposes
Structure
Crystal structure	Cubic, cI80
Space group	Ia-3, No. 206
Related compounds
Other anions	Calcium fluoride; Calcium oxide;
Other cations	Beryllium nitride; Magnesium nitride; Strontium nitride; Barium nitride; Radium nitride; Zinc nitride; Aluminium nitride; Lithium nitride; Sodium nitride; Potassium nitride
Related compounds	Ammonia; Calcium amide; Calcium imide;
	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

Calcium nitride is the inorganic compound with the chemical formula Ca₃N₂.^[1] It exists in various forms (isomorphs), α-calcium nitride being more commonly encountered.

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Structure