Nitrate radical

Nitrate radical
Names
	IUPAC name Nitrate radical
	Systematic IUPAC name Trioxidonitrogen(•)
	Other names Nitrooxy radical
Identifiers
CAS Number	12033-49-7;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:29329;
ChemSpider	13268797;
Gmelin Reference	1573
PubChem CID	5360456;
CompTox Dashboard (EPA)	DTXSID201316935 ;
	InChI InChI=1S/NO3/c2-1(3)4 Key: YPJKMVATUPSWOH-UHFFFAOYSA-N;
	SMILES [N+](=O)([O-])[O];
Properties
Chemical formula	NO3
Molar mass	62.004 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Nitrogen trioxide or nitrate radical is an oxide of nitrogen with formula NO
₃, consisting of three oxygen atoms covalently bound to a nitrogen atom. This highly unstable blue compound has not been isolated in pure form, but can be generated and observed as a short-lived component of gas, liquid, or solid systems.^[1]

Like nitrogen dioxide NO
₂, it is a radical (a molecule with an unpaired valence electron), which makes it paramagnetic. It is the uncharged counterpart of the nitrate anion NO⁻
₃ and an isomer of the peroxynitrite radical OONO.^[1]

Nitrogen trioxide is an important intermediate in reactions between atmospheric components, including the destruction of ozone.^[1]^[2]

^ ^a ^b ^c R. P. Wayne, I. Barnes, P. Biggs, J. P. Burrows, C. E. Canosa-Mas, J. Hjorth, G. Le Bras. G. K. Moortgat, D. Perner, G. Poulet, G. Restelli, and H. Sidebottom (1991): "The nitrate radical: Physics, chemistry, and the atmosphere". Atmospheric Environment. Part A. General Topics. volume 25, issue 1, pages 1-203. doi:10.1016/0960-1686(91)90192-A
^ Richard A. Graham and Harold S. Johnston (1978): "The photochemistry of the nitrate radical and the kinetics of the nitrogen pentoxide-ozone system". Journal of Physical Chemistry, volume 82, issue 3, pages 254-268. doi:10.1021/j100492a002

[wayne1991-1] R. P. Wayne, I. Barnes, P. Biggs, J. P. Burrows, C. E. Canosa-Mas, J. Hjorth, G. Le Bras. G. K. Moortgat, D. Perner, G. Poulet, G. Restelli, and H. Sidebottom (1991): "The nitrate radical: Physics, chemistry, and the atmosphere". Atmospheric Environment. Part A. General Topics. volume 25, issue 1, pages 1-203. doi:10.1016/0960-1686(91)90192-A

[grah1978-2] Richard A. Graham and Harold S. Johnston (1978): "The photochemistry of the nitrate radical and the kinetics of the nitrogen pentoxide-ozone system". Journal of Physical Chemistry, volume 82, issue 3, pages 254-268. doi:10.1021/j100492a002

[1]

[2]