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Methylenecyclopropene
Sign in to save3-Methylenecyclopropene, also called methylenecyclopropene or triafulvene, is a hydrocarbon with chemical formula . It is a colourless gas that polymerizes readily as a liquid or in solution but is stable as a gas. This highly strained and reactive molecule was synthesized and characterized for the first time in 1984, and has been the subject of considerable experimental and theoretical interest. It is an example of a cross-conjugated alkene, being composed of cyclopropene with an exocyclic double bond attached.
Chemical data
- Formula
- C4H4
- Molecular weight
- 52.07 g/mol
- IUPAC name
- 3-methylidenecyclopropene
- SMILES
- C=C1C=C1
- InChIKey
- GOSMMPKSWSOPRZ-UHFFFAOYSA-N
- XLogP
- 1.2
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Wikidata facts
Show 3 more facts
- canonical SMILES
- C=C1C=C1
- chemical formula
- C₄H₄
- Commons category
- Methylenecyclopropene
Sources (2)
via Wikidata · CC0
~2 min read
Encyclopedic overview
5 sectionsContents
- Description
- Reactivity
- See also
- References
- External links
3-Methylenecyclopropene, also called methylenecyclopropene or triafulvene, is a hydrocarbon with chemical formula . It is a colourless gas that polymerizes readily as a liquid or in solution but is stable as a gas. This highly strained and reactive molecule was synthesized and characterized for the first time in 1984, and has been the subject of considerable experimental and theoretical interest. It is an example of a cross-conjugated alkene, being composed of cyclopropene with an exocyclic double bond attached.
==Description== Methylenecyclopropene is the smallest of the fulvenes (a family of unstable, cyclic molecules, conjugated transversally with an odd number of carbon atoms in the ring).
Excerpted from Wikipedia’s “Methylenecyclopropene” article, available under the CC BY-SA 4.0 licence.