Superaromaticity

Superaromaticity is the extra stable nature of some aromatic macrocycle compounds.^[1] These structures contain a number of aromatic rings.

See also

Aromaticity

References

↑ Aihara, Jun-ichi (2003), "Hückel-like rule of superaromaticity for charged paracyclophanes", Chemical Physics Letters, 381 (1–2): 147–153, Bibcode:2003CPL...381..147A, doi:10.1016/j.cplett.2003.09.114

External links

Intramolecular
(strong)

By symmetry	Sigma (σ) Pi (π) Delta (δ) Phi (φ)
By multiplicity	1 (single) 2 (double) 3 (triple) 4 (quadruple) 5 (quintuple) 6 (sextuple)
Miscellaneous	Agostic Bent Coordinate (dipolar) Pi backbond Charge-shift Hapticity Conjugation Hyperconjugation Antibonding
Resonant	Electron deficiency 3c–2e 4c–2e Hypercoordination 3c–4e Aromaticity Möbius super sigma homo bicyclo spiro σ-bishomo spherical Y-

Metal aromaticity

Intermolecular
(weak)

van der Waals forces	London dispersion
Hydrogen	Low-barrier Resonance-assisted Symmetric Dihydrogen bonds C–H···O interaction
Noncovalent other	Mechanical Halogen Chalcogen Aurophilicity Intercalation Stacking Cation–pi Anion–pi Salt bridge

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.