Fluorine azide

Fluorine azide
Names
Other names
triazadienyl fluoride
Identifiers
3D model (JSmol)
  • InChI=1S/FN3/c1-3-4-2
    Key: AJXWEJAGUZJGRI-UHFFFAOYSA-N
  • [N-]=[N+]=NF
Properties
FN3
Molar mass 61.019 g/mol
Appearance Yellow-green gas
Melting point −139 °C (−218 °F; 134 K)
Boiling point −30 °C (−22 °F; 243 K)
Explosive data
Shock sensitivity Extreme
Friction sensitivity Extreme
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Extremely sensitive explosive
NFPA 704 (fire diamond)
Related compounds
Other cations
Hydrazoic acid
Chlorine azide
Bromine azide
Iodine azide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Fluorine azide or triazadienyl fluoride is a yellow green gas composed of nitrogen and fluorine with formula FN3.[1] Its properties resemble those of ClN3, BrN3, and IN3.[2] The bond between the fluorine atom and the nitrogen is very weak, leading to this substance being very unstable and prone to explosion.[3] Calculations show the F–N–N angle to be around 102° with a straight line of 3 nitrogen atoms.[4]

The gas boils at –30° and melts at –139 °C.[5]

It was first made by John F. Haller in 1942.[6]

  1. ^ Gipstein, Edward; John F. Haller (1966). "Absorption Spectrum of Fluorine Azide". Applied Spectroscopy. 20 (6): 417–418. Bibcode:1966ApSpe..20..417G. doi:10.1366/000370266774386470. ISSN 0003-7028. S2CID 96337253.
  2. ^ Saxena, P. B. (2007-01-01). Chemistry of Interhalogen Compounds. Discovery Publishing House. p. 96. ISBN 9788183562430. Retrieved 16 June 2014.
  3. ^ Rademacher, Paul; Andreas J. Bittner; Gabriele Schatte; Helge Willner (1988). "Photoelectron Spectrum and Electronic Structure of Triazadienyl Fluoride, N3F". Chemische Berichte. 121 (3): 555–557. doi:10.1002/cber.19881210325. ISSN 0009-2940.
  4. ^ Peters, Nancy J. S.; Leland C. Allen; Raymond A. Firestone (1988). "Fluorine azide and fluorine nitrate: structure and bonding". Inorganic Chemistry. 27 (4): 755–758. doi:10.1021/ic00277a035. ISSN 0020-1669.
  5. ^ Cite error: The named reference Gholivand1987 was invoked but never defined (see the help page).
  6. ^ Lowe, Derek (21 October 2008). "Things I Won't Work With: Triazadienyl Fluoride". In the Pipeline. Retrieved 15 June 2014.

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