Calicene

Calicene
Names
Preferred IUPAC name
5-(Cycloprop-2-en-1-ylidene)cyclopenta-1,3-diene
Other names
Triapentafulvalene
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C8H6/c1-2-4-7(3-1)8-5-6-8/h1-6H
    Key: ZXWMPJFQZJXFQN-UHFFFAOYSA-N
  • C1(C=CC=C1)=C2C=C2
Properties
C8H6
Molar mass 102.136 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Calicene or triapentafulvalene is a hydrocarbon of the fulvalene class with chemical formula C8H6, composed of a cyclopentadiene ring and a cyclopropene ring linked by a double bond. Its name is derived from the Latin calix meaning "goblet", from its shape.