Calcium nitride

Calcium nitride is a chemical compound. Its chemical formula is Ca3N2. It contains calcium and nitride ions.

Calcium nitride
Kristallstruktur Lanthanoid-C-Typ.png
IUPAC name Calcium nitride
Other names tricalcium dinitride
Identifiers
CAS number 12013-82-0
PubChem 3387080
EC number 234-592-9
Properties
Molecular formula Ca3N2
Molar mass 148.25 g mol-1
Appearance red-brown crystalline solid
Density 2.670 g/cm3
2.63 g/cm3 (17 °C)
Melting point

1195 °C, 1468 K, 2183 °F

Solubility in water decomposes
Structure
Crystal structure Cubic, cI80
Space group Ia-3, No. 206
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Properties

It is a red-brown solid. It reacts with water to make calcium hydroxide and ammonia. It reacts with hydrogen to make calcium hydride and calcium amide.

Preparation

It is made by burning calcium in nitrogen. It is also made when calcium burns in air.

Uses

It can be used as a source of the reactive nitride ion.

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