Triafulvalene or cyclopropenylidenecyclopropene is a
fulvalene hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colourless and Hydrophobe, hydrophobic; their odor is usually fain ...
with
chemical formula
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as pare ...
C
6H
4, composed of two linked
cyclopropene
Cyclopropene is an organic compound with the formula . It is the simplest cycloalkene. Because the ring is highly strained, cyclopropene is difficult to prepare and highly reactive. This colorless gas has been the subject for many fundamental s ...
rings. Triafulvalene has never been isolated, since it can decompose via an
isodesmic reaction.
However, its structure,
stability, and spectral properties are well-studied theoretically; the molecule is believed planar.
[
]
See also
* Calicene
* Fulvalene
* Sesquifulvalene
Sesquifulvalene or pentaheptafulvalene is a hydrocarbon in the fulvalene class with chemical formula C12H10. It is composed of linked cyclopentadiene and cycloheptatriene rings.
Properties
In the ground state, which is a singlet state, the cent ...
References
{{theoretical-chem-stub
Fulvalenes
Hypothetical chemical compounds
Cyclopropenes