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Encyclopedia of Astrobiology pp 38–39Cite as

Amino Radical

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Synonyms

Amidogen; Aminyl radical; NH2

Definition

This triatomic radical is an important intermediary in the interstellar chemistry of ammonia, NH3. Like many light hydrides, its pure rotational transitions occur at far infrared/submillimeter wavelengths, making its observation difficult because of the opacity of the terrestrial atmosphere.

History

The NH2 radical was first detected in the interstellar medium in 1993, at submillimeter wavelengths.

See also

Ammonia

Interstellar Medium

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References and Further Reading

  • van Dishoeck EF, Jansen DJ, Schilke P, Phillips TG (1993) Detection of the Interstellar NH2 Radical. Astrophys J Lett 416:L83–L86

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Author information

Authors and Affiliations

  1. Department of Astronomy, University of Massachusetts Lederle Graduate Research Tower B 619E, 710 North Pleasant Street, 01003-9305, Amherst, Massachusetts, USA

    Prof. William M. Irvine

Authors
  1. Prof. William M. Irvine
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Corresponding author

Correspondence to William M. Irvine .

Editor information

Editors and Affiliations

  1. Astrophysicist, Laboratoire d’Astrophysique de Bordeaux, BP 89, 33270, Floirac, France

    Muriel Gargaud

  2. Departamento de Planetología y Habitabilidad Centro de Astrobiología (CSIC-INTA), Universidad Autónoma de Madrid Campus Cantoblanco, Torrejón de Ardoz, 28049, Madrid, Spain

    Ricardo Amils

  3. Department of Astrophysics, Centro de Astrobiología (INTA-CSIC) Ctra de Ajalvir km 4, 28850 Torrejón de Ardoz, Madrid, Spain

    José Cernicharo Quintanilla

  4. Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd. NW, Washington, DC, 20015, USA

    Henderson James (Jim) Cleaves II

  5. Department of Astronomy, University of Massachusetts Lederle Graduate Research, 710 North Pleasant Street, Amherst, MA, 01003-9305, USA

    William M. Irvine

  6. GEOTOP & Départment des Sciences de la Terre et de l’Atmosphère, Université du Québec à Montréal, CP 8888, succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada

    Daniele L. Pinti

  7. Astrobiology, CNES/DSP/EU, 2 place Maurice-Quentin, 75039, Paris, France

    Michel Viso

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© 2011 Springer-Verlag Berlin Heidelberg

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Cite this entry

Irvine, W.M. (2011). Amino Radical. In: Gargaud, M., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11274-4_1813

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