-
prototypical example of
antiaromaticity, cyclobutadiene, is the
subject of debate, with some
scientists arguing that
antiaromaticity is not a
major factor...
- OCLC 642506595 Ayub,
Rabia (2017). "Excited
State Aromaticity and
Antiaromaticity.
Fundamental Studies and Applications" (PDF).
Uppsala University. p...
-
atoms with p orbitals,
maleic anhydride was long
thought to
exhibit antiaromaticity. However, a
thermochemical study concluded that only 8 kJ/mol of destabilization...
- The lack of
conjugation allows the 8 π
electron molecule to
avoid antiaromaticity, a
destabilizing effect ****ociated with cyclic,
conjugated systems...
- [4]annulene).
Cyclobutadiene is the only
annulene with
considerable antiaromaticity,
since planarity is unavoidable. With [8]annulene, the
molecule takes...
-
delocalized pi electrons,
where n is an integer.
Particular instability (
antiaromaticity) is
conferred by the
presence of 4n
conjugated pi electrons. The characteristics...
- Seok; O****, Atsuhiro; Kim,
Dongho (May 2009). "Möbius
aromaticity and
antiaromaticity in
expanded porphyrins".
Nature Chemistry. 1 (2): 113–122. Bibcode:2009NatCh...
- Zhiyuan; Hosmane,
Ramachandra S.; Liebman, Joel F. (1997). "The
Elusive Antiaromaticity of
Maleimides and
Maleic Anhydride:
Enthalpies of
Formation of N-Methylmaleimide...
-
containing 4n π
electrons are
called antiaromatic and are, in general, destabilized.
Molecules that
could be
antiaromatic will tend to
alter their electronic...
-
signals in a 2 to 1 ratio. The
addition of two
electrons removes the
antiaromaticity; it
becomes a
planar 10π-electron
aromatic species and is thus a bicyclic...
