Illustrated Glossary of Organic Chemistry
Non
aromatic
:
A
molecule
that is neither
aromatic
or
antiaromatic
.
1,3,5-
Hexa
tri
ene
is non
aromatic
because it does not have a closed loop of
p
orbitals
and because it is
acyclic
. Verify with a
model
.
In its most stable
conformation
(the tub; shown here)
cyclooctatetraene
is non
aromatic
(and also not
conjugated
) because the atoms which host its
p
orbital
loop are not
planar
. Verify with a
model
.
Related terms:
Conjugation
,
Huckel's rule
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