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Cadmium nitride

From Wikipedia, the free encyclopedia
Compound of cadmium and nitrogen
Cadmium nitride
Identifiers
3D model (JSmol)
  • InChI=1S/3Cd.2N/q3*+2;2*-3
    Key: DSZUCHKZKXFZPK-UHFFFAOYSA-N
  • [Cd+2].[Cd+2].[Cd+2].[N-3].[N-3]
Properties
Cd3N2
Molar mass365.256 g·mol−1
Appearanceblack solid[1]
Density7.67 g·cm−3[1]
Related compounds
Othercations
Zinc nitride
Mercury nitride
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Cadmium nitride is anitride ofcadmium with the chemical formula Cd3N2.

Preparation

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Cadmium nitride can be produced by thermal decomposition ofcadmium amide at 180 °C:[1]

3 Cd(NH2)2 → Cd3N2 + 4 NH3

It can also be produced bythermal decomposition ofcadmium azide at 210 °C.[2]

Properties

[edit]

Cadmium nitride is a black solid that decomposes on contact with water and air. It will explode when reacting with dilute acids or alkalis. It is a crystal of inversemanganese(III) oxide structure withlattice constant a = 1079 pm.[1]

References

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  1. ^abcdBrauer, Georg (1975).Handbuch der präparativen anorganischen Chemie / 1 (in German). Stuttgart. p. 1044.ISBN 3-432-02328-6.OCLC 310719485.{{cite book}}: CS1 maint: location missing publisher (link)
  2. ^Karau, Friedrich; Schnick, Wolfgang (2007). "Synthese von Cadmiumnitrid Cd3N2 durch thermischen Abbau von Cadmiumazid Cd(N3)2 und Kristallstrukturbestimmung aus Röntgen-Pulverbeugungsdaten".Zeitschrift für anorganische und allgemeine Chemie (in German).633 (2). Wiley:223–226.Bibcode:2007ZAACh.633..223K.doi:10.1002/zaac.200600253.ISSN 0044-2313.
Cadmium(I)
Cadmium(II)
Salts and covalent derivatives of thenitride ion
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