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Amino radical

This article is about the neutral compound. For other compounds with the formula NH2 but different charges, see Azanide and Nitrenium ion.
Amino radical
Names
IUPAC name
Azanyl; Aminyl
Systematic IUPAC name
Azanyl[1] (substitutive)
Dihydridonitrogen(•)[1] (additive)
Other names
Amidogen; Amino radical
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
  • InChI=1S/H2N/h1H2 checkY
    Key: MDFFNEOEWAXZRQ-UHFFFAOYSA-N checkY
  • [NH2]
Properties
NH
2•
Molar mass 16.0226 g mol−1
Thermochemistry
194.71 J K−1 mol−1
190.37 kJ mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

In chemistry, the amino radical, ·NH2, also known as the aminyl or azanyl, is the neutral form of the amide ion (NH−2). Aminyl radicals are highly reactive and consequently short-lived, like most radicals; however, they form an important part of nitrogen chemistry. In sufficiently high concentration, amino radicals dimerise to form hydrazine. While NH2 as a functional group is common in nature, forming a part of many compounds (e.g. the phenethylamines), the radical cannot be isolated in its free form.[2]

  1. ^ a b "aminyl (CHEBI:29318)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. IUPAC Names.
  2. ^ die.net. "Amidogen". Archived from the original on February 21, 2013. Retrieved May 16, 2012.
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