Cyclopentadienyl radical

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Cyclopentadienyl radical

Names
Preferred IUPAC name Cyclopentadienyl
Identifiers
CAS Number	2143-53-5
3D model (JSmol)	Interactive image
Beilstein Reference	2070324
ChEBI	CHEBI:36769
ChemSpider	121110 Y
Gmelin Reference	323080
PubChem CID	137443
CompTox Dashboard (EPA)	DTXSID00175702
InChI InChI=1S/C5H5/c1-2-4-5-3-1/h1-5H Y Key: HPYIUKIBUJFXII-UHFFFAOYSA-N Y
SMILES [CH]1C=CC=C1
Properties
Chemical formula	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).
Infobox references

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

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

See also[]

• Cyclopentadienyl anion, [C₅H₅]⁻
• Cyclopentadienyl cation, [C₅H₅]⁺
• Cyclopentadiene, C₅H₆
• Methyl radical, [CH₃]^•

References[]