Not to be confused with the class of hydronitrogens known as "azenes".
The general structural formula for acenes
In organic chemistry, the acenes or polyacenes are a class of organic compounds and polycyclic aromatic hydrocarbons made up of benzene (C6H6) rings which have been linearly fused.[1][2] They follow the general molecular formula C4n+2H2n+4.
The larger representatives have potential interest in optoelectronic applications and are actively researched in chemistry and electrical engineering. Pentacene has been incorporated into organic field-effect transistors, reaching charge carrier mobilities as high as 5 cm2/Vs.
The first 5 unsubstituted members are listed in the following table:
Name
Number of rings
Molecular formula
Structural formula
Anthracene
3
C14H10
Tetracene
4
C18H12
Pentacene
5
C22H14
Hexacene
6
C26H16
Heptacene
7
C30H18
Hexacene is not stable in air, and dimerises upon isolation. Heptacene (and larger acenes) is very reactive and has only been isolated in a matrix. However, bis(trialkylsilylethynylated) versions of heptacene have been isolated as crystalline solids.[3]
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In organic chemistry, the acenes or polyacenes are a class of organic compounds and polycyclic aromatic hydrocarbons made up of benzene (C6H6) rings which...
fused rings are angled as in the phenacenes, rather than straight as in the acenes. The compound with a phenanthrene skeleton and nitrogens at the 4 and 5...
hydrocarbons containing at least one boron atom. Structurally, they are related to acenes, linearly fused benzene rings. However, the boron atom is electron deficient...
exposure to air and light. Structurally, pentacene is one of the linear acenes, the previous one being tetracene (four fused benzene rings) and the next...
origins in the Atelier de Construction Electrique du Nord et de l’Est (ACENE), which became part of the Empain group under the name Forges et Ateliers...
constructed from side-on condensed cyclic segments, for example helicenes and acenes. In transannulation a bicyclic molecule is created by intramolecular carbon-carbon...
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