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Beryllium azide

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Beryllium azide
Names
IUPAC name Beryllium azide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Be.2N3/c;2*1-3-2/q+2;2*-1Key: FGTDFEYQGIRFTE-UHFFFAOYSA-N
SMILES
  • .==.==
Properties
Chemical formula Be(N3)2
Molar mass 93.054 g·mol
Appearance white solid
Hazards
NIOSH (US health exposure limits):
PEL (Permissible) TWA 0.002 mg/m
C 0.005 mg/m (30 minutes), with a maximum peak of 0.025 mg/m (as Be)
REL (Recommended) Ca C 0.0005 mg/m (as Be)
IDLH (Immediate danger) Ca
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound Not to be confused with beryllium nitride, Be3N2.

Beryllium azide, Be(N3)2, is an inorganic compound. It is the beryllium analog of hydrazoic acid (HN3).

Synthesis

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

BeCl2 + 2 Me3SiN3 → Be(N3)2 + 2 Me3SiCl

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

Be(CH3)2 + 2 HN3 → Be(N3)2 + 2 CH4

Structure

Infrared and Raman spectra suggest that beryllium azide consists of infinite chains, with tetrahedrally coordinated beryllium(II) atoms covalently bridged by one end of the azide units.

References

  1. ^ Wiberg, E.; Horst, M. (1954). "Beryllium azide, Be(N3)2". Zeitschrift für Naturforschung B. 9: 502.
  2. ^ NIOSH Pocket Guide to Chemical Hazards. "#0054". National Institute for Occupational Safety and Health (NIOSH).
  3. ^ Klapötke, T. M.; Schutt, T. (1999). "Synthesis and spectroscopic characterization of beryllium azide and two derivatives". Main Group Metal Chemistry. 22 (6): 357–360. doi:10.1515/MGMC.1999.22.6.357. S2CID 101174968.
Beryllium compounds
Beryllium(I)
Beryllium(II)
Salts and covalent derivatives of the azide ion
HN3 He
LiN3 Be(N3)2 B(N3)3 CH3N3
C(N3)4
CO(N3)2 		NH4N3
N3NO
N(N3)3
H2N–N3 		O FN3 Ne
NaN3 Mg(N3)2 Al(N3)3 Si(N3)4 P SO2(N3)2 ClN3 Ar
KN3 Ca(N3)2 Sc(N3)3 Ti(N3)4 VO(N3)3 Cr(N3)3
CrO2(N3)2 		Mn(N3)2 Fe(N3)2
Fe(N3)3 		Co(N3)2
Co(N3)3 		Ni(N3)2 CuN3
Cu(N3)2 		Zn(N3)2 Ga(N3)3 Ge As(N3)5 Se(N3)4 BrN3 Kr
RbN3 Sr(N3)2 Y(N3)3 Zr(N3)4 Nb Mo Tc Ru(N3)6 Rh(N3)6 Pd(N3)2 AgN3 Cd(N3)2 In Sn Sb(N3)5 Te(N3)4 IN3 Xe(N3)2
CsN3 Ba(N3)2 * Lu(N3)3 Hf Ta W Re Os Ir(N3)6 Pt(N3)6 Au(N3)4 Hg2(N3)2
Hg(N3)2 		TlN3 Pb(N3)2 Bi(N3)3 Po At Rn
Fr Ra(N3)2 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* La(N3)3 Ce(N3)3
Ce(N3)4 		Pr Nd Pm Sm(N3)3 Eu(N3)2
Eu(N3)3 		Gd(N3)3 Tb Dy(N3)3 Ho(N3)3 Er Tm Yb(N3)3
** Ac(N3)3 Th(N3)4 Pa UO2(N3)2 Np Pu Am Cm Bk Cf Es Fm Md No
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