Putting anion-π interactions into perspective

Antonio Frontera, Patrick Gamez, Mark Mascal, Tiddo J. Mooibroek, Jan Reedijk

Research output: Contribution to journalArticle

439 Citations (Scopus)

Abstract

Supramolecular chemistry is a field of scientific exploration that probes the relationship between molecular structure and function. It is the chemistry of the noncovalent bond, which forms the basis of highly specific recognition, transport, and regulation events that actuate biological processes. The classic design principles of supramolecular chemistry include strong, directional interactions like hydrogen bonding, halogen bonding, and cation-π complexation, as well as less directional forces like ion pairing, π-π, solvophobic, and van der Waals potentials. In recent years, the anion-π interaction (an attractive force between an electron-deficient aromatic π system and an anion) has been recognized as a hitherto unexplored noncovalent bond, the nature of which has been interpreted through both experimental and theoretical investigations. The design of selective anion receptors and channels based on this interaction represent important advances in the field of supramolecular chemistry. The objectives of this Review are 1) to discuss current thinking on the nature of this interaction, 2) to survey key experimental work in which anion-π bonding is demonstrated, and 3) to provide insights into the directional nature of anion-π contact in X-ray crystal structures. As easy as π systems found it to bond with cations, they concealed their attraction to anions until they were spotted together in too many crystal structures for it to be mere coincidence. Today, the anion-π relationship has an established place in the repertory of noncovalent interactions. Extensive theoretical and experimental studies illuminate the physical nature of the interaction and its utility in the design of hosts, and the engineering of solid-state structures.

Original languageEnglish (US)
Pages (from-to)9564-9583
Number of pages20
JournalAngewandte Chemie - International Edition
Volume50
Issue number41
DOIs
StatePublished - Oct 4 2011

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Anions
Negative ions
Supramolecular chemistry
Cations
Crystal structure
Positive ions
Halogens
Complexation
Molecular structure
Hydrogen bonds
Ions
X rays
Electrons

Keywords

  • anion binding
  • crystal structures
  • host-guest systems
  • noncovalent interactions
  • supramolecular chemistry

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis

Cite this

Frontera, A., Gamez, P., Mascal, M., Mooibroek, T. J., & Reedijk, J. (2011). Putting anion-π interactions into perspective. Angewandte Chemie - International Edition, 50(41), 9564-9583. https://doi.org/10.1002/anie.201100208

Putting anion-π interactions into perspective. / Frontera, Antonio; Gamez, Patrick; Mascal, Mark; Mooibroek, Tiddo J.; Reedijk, Jan.

In: Angewandte Chemie - International Edition, Vol. 50, No. 41, 04.10.2011, p. 9564-9583.

Research output: Contribution to journalArticle

Frontera, A, Gamez, P, Mascal, M, Mooibroek, TJ & Reedijk, J 2011, 'Putting anion-π interactions into perspective', Angewandte Chemie - International Edition, vol. 50, no. 41, pp. 9564-9583. https://doi.org/10.1002/anie.201100208
Frontera A, Gamez P, Mascal M, Mooibroek TJ, Reedijk J. Putting anion-π interactions into perspective. Angewandte Chemie - International Edition. 2011 Oct 4;50(41):9564-9583. https://doi.org/10.1002/anie.201100208
Frontera, Antonio ; Gamez, Patrick ; Mascal, Mark ; Mooibroek, Tiddo J. ; Reedijk, Jan. / Putting anion-π interactions into perspective. In: Angewandte Chemie - International Edition. 2011 ; Vol. 50, No. 41. pp. 9564-9583.
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