Beryllium azide

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Beryllium azide
IUPAC name

Beryllium azide

Identifiers
CAS number 44606-75-9
Properties
Molecular formula BeN6
Molar mass 93.05 g mol−1
Appearance white solid[1]
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Beryllium azide, Be(N3)2, is an inorganic compound. It is not the same as beryllium nitride, Be3N2.

Synthesis

Beryllium azide has been synthesised by the reaction of beryllium chloride with neat trimethylsilyl azide:[2]

BeCl2 + 2Me3SiN3 → Be(N3)2 + 2Me3SiCl

Alternatively, dimethylberyllium reacts with hydrazoic acid in dry diethyl ether at −116 °C:[1]

Be(CH3)2 + 2HN3 → Be(N3)2 + 2CH4

Structure

Beryllium azide is predicted to consist of infinite chains, with tetrahedrally coordinated Be2+ ions linked by end-on bridging N3− ions.[2]

References

  1. ↑ 1.0 1.1 Wiberg, E.; Horst, M. (1954). "Beryllium azide, Be(N3)2". Zeitschrift für Naturforschung B 9: 502. 
  2. ↑ 2.0 2.1 Klapötke, T. M.; Schutt, T. (1999). "Synthesis and spectroscopic characterization of beryllium azide and two derivatives". Main Group Metal Chemistry 22 (6): 357–360. 
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