Niobium(V) oxynitrate

Niobium(V) oxynitrate is an inorganic compound with the proposed formula NbO(NO3)3. A single publication claims that niobium(V) oxynitrate is produced by the reaction of niobium pentachloride and dinitrogen pentoxide at 30 °C:[1]

NbCl5 + 4N2O5 → NbO(NO3)3 + 5NO2Cl
Niobium(V) oxynitrate
Names
Other names
  • Niobyl nitrate
  • Niobium oxytrinitrate
Identifiers
3D model (JSmol)
EC Number
  • 623-412-8
  • InChI=1S/3NO3.Nb.O/c3*2-1(3)4;;/q3*-1;+3;
    Key: XWRVJMHGWNZEAR-UHFFFAOYSA-N
  • [Nb](O[N+]([O-])=O)(O[N+]([O-])=O)(O[N+]([O-])=O)=O
Properties
NbO(NO3)3
Molar mass 294.92 g/mol
Appearance White solid
Melting point 120 °C (248 °F; 393 K)[1] (decomposes)
Reacts[1]
Solubility Slightly soluble in diethyl ether, MeCN, and benzene[1]
Structure
Tetragonal[1]
Hazards
GHS labelling:
Danger
H272, H315, H319, H335
Related compounds
Other anions
 Niobium oxychloride
Other cations
 Vanadyl nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Nitryl chloride is produced as a byproduct.

Attempts failed to produce niobium(V) oxynitrate by the reaction dinitrogen tetroxide and niobium pentachloride in acetonitrile in the formation of the acetonitrile niobium dioxide nitrate complex.[2]

References
  1. B. O. Field; C. J. Hardy (1963). "Trinitratoniobium(V) Oxide, NbO(NO3)3". Proceedings of the Chemical Society: 11. doi:10.1039/PS9630000001.
  2. K. W. Bagnall; D. Brown; P. J. Jones (1964). "Niobium(V) and tantalum(V) nitrates". Journal of the Chemical Society (451): 2396–2400. doi:10.1039/JR9640002396.
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