Cyclopentadienyl

Cyclopentadienyl
Cyclopentadienyl

Cyclopentadienyl anion
Identifiers
CAS number 2143-53-5
PubChem 137443
ChemSpider 121110 YesY
ChEBI CHEBI:36769
Beilstein Reference 2070324
Gmelin Reference 323080
Jmol-3D images Image 1
Image 2
Properties
Molecular formula C5H5
Molar mass 65.09 g mol−1
Exact mass 65.039125160 g mol-1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

In organic chemistry, cyclopentadienyl is a cyclic group of atoms with the formula C5H5. Cyclopentadienyl are closely related to cyclopentadiene. Cyclopentadienyl have five carbon atoms bonded together in a pentagonal planar ring, all five of which are bonded to individual hydrogen atoms. Cyclopentadienyl is chemically aromatic and show equal bond lengths between carbon atoms in the ring.

Cyclopentadienyl is known in organometallic chemistry where it forms cyclopentadienyl complexes.

References

  1. ^ a b "cyclopentadienyl (CHEBI:36769)". Chemical Entities of Biological interest (ChEBI). UK: European Bioinformatics Instititute. https://www.ebi.ac.uk/chebi/searchId.do?chebiId=36769. 

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