Cyclopentadienyl radical

In chemistry, cyclopentadienyl is a radical with the formula C5H5.

Cyclopentadienyl radical
Names
Preferred IUPAC name
Cyclopenta-2,4-dien-1-yl[1]
Other names
Cyclopentadienyl[1]
Identifiers
3D model (JSmol)
2070324
ChEBI
ChemSpider
323080
  • InChI=1S/C5H5/c1-2-4-5-3-1/h1-5H checkY
    Key: HPYIUKIBUJFXII-UHFFFAOYSA-N checkY
  • [CH]1C=CC=C1
Properties
C5H5
Molar mass 65.095 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

The related cyclopentadienyl anion (which can formally be converted to the cyclopentadienyl radical by one-electron reduction) is aromatic, and forms salts and coordination compounds.

See also

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References

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  1. ^ a b Henri A. Favre; Warren H. Powell (2014). Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013. Cambridge, England: The Royal Society of Chemistry. p. 1052. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.