Calcium nitride

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

Calcium nitride

Unit cell containing 31 nitride ions (red) and 48 calcium ions (white). Each nitride is surrounded by six calcium, and each calcium by four nitride ions.
Names
IUPAC name
Calcium nitride
Other names
tricalcium dinitride
Identifiers
3D model (JSmol)
ECHA InfoCard 100.031.435
EC Number
  • 234-592-9
PubChem CID
  • 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
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)
decomposes
Structure
Cubic, cI80
Space group
Ia-3, No. 206
Related compounds
Other cations
Beryllium nitride
Magnesium nitride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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