-
prototypical example of
antiaromaticity, cyclobutadiene, is the
subject of debate, with some
scientists arguing that
antiaromaticity is not a
major factor...
- [4]annulene).
Cyclobutadiene is the only
annulene with
considerable antiaromaticity,
since planarity is unavoidable. With [8]annulene, the
molecule takes...
- OCLC 642506595. Ayub,
Rabia (2017). "Excited
State Aromaticity and
Antiaromaticity.
Fundamental Studies and Applications" (PDF).
Uppsala University. p...
- The lack of
conjugation allows the 8 π
electron molecule to
avoid antiaromaticity, a
destabilizing effect ****ociated with cyclic,
conjugated systems...
-
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...
-
atoms with p orbitals,
maleic anhydride was long
thought to
exhibit antiaromaticity. However, a
thermochemical study concluded that only 8 kJ/mol of destabilization...
- Seok; O****, Atsuhiro; Kim,
Dongho (May 2009). "Möbius
aromaticity and
antiaromaticity in
expanded porphyrins".
Nature Chemistry. 1 (2): 113–122. Bibcode:2009NatCh...
-
delocalized pi electrons,
where n is an integer.
Particular instability (
antiaromaticity) is
conferred by the
presence of 4n
conjugated pi electrons. The characteristics...
-
containing 4n π
electrons are
called antiaromatic and are, in general, destabilized.
Molecules that
could be
antiaromatic will tend to
alter their electronic...
-
notes (cyclobutadiene)Fe(CO)3 12078-17-0
orange solid, b.p. 47 °C (3 mm)
antiaromatic ligand (butadiene)Fe(CO)3 12078-32-9 yellow-orange, m.p. 19 °C major...
