Nitryl azide

Nitryl azide (tetranitrogen dioxide) is an inorganic compound with the chemical formula N₃−NO₂. It is an unstable nitrogen oxide consisting of a covalent nitrogen–nitrogen bond between a nitro group and an azide group. It has been detected by infrared spectroscopy as a short-lived product of the reaction between sodium azide and nitronium hexafluoroantimonate:^[1]

Nitryl azide

Names
IUPAC name N-diazonitramide
Other names Nitryl azide Tetranitrogen dioxide
Identifiers
CAS Number	40006-84-6
3D model (JSmol)	Interactive image
PubChem CID	22902439
InChI InChI=1S/N4O2/c1-2-3-4(5)6 Key: DYMRYCZRMAHYKE-UHFFFAOYSA-N
SMILES [N-]=[N+]=N[N+](=O)[O-]
Properties
Chemical formula	N3−NO2
Molar mass	88.026 g·mol−1
Related compounds
Related compounds	Nitrosyl azide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

The compound quickly decomposes to form nitrous oxide. Calculations suggest that this process occurs via an oxatetrazole oxide intermediate:^[2]