Cyclopentadienyl

Cyclopentadienyl

Identifiers
CAS Number	2143-53-5
Beilstein Reference	2070324
ChEBI	CHEBI:36769
ChemSpider	121110 Y
Gmelin Reference	323080
Jmol 3D model	Interactive image Interactive image
PubChem	137443
InChI InChI=1S/C5H5/c1-2-4-5-3-1/h1-5H Y Key: HPYIUKIBUJFXII-UHFFFAOYSA-N Y
SMILES c1cccc1 [CH]1C=CC=C1
Properties
Chemical formula	C5H5
Molar mass	65.10 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 the radical formula C₅H₅. Cyclopentadienyl is formally related to cyclopentadienyl anion by one-electron oxidation.

See also

• Benzene
• Aromatic hydrocarbon
• Thermite