The π-accepting arene HAT(CN)6 as a halide receptor through charge transfer: Multisite anion interactions and self-assembly in solution and the solid state

Helen T. Chifotides, Brandi L. Schottel, Kim R. Dunbar

Research output: Contribution to journalArticlepeer-review

180 Scopus citations

Abstract

Sensitive molecular scaffold : The exceptional π-electron-acceptor strength of HAT(CN)6 renders it an excellent colori-metric halide sensor. It engages in multisite anion interactions, namely, both charge-transfer and anion-π, in solution and the solid state. The halide ions are the driving elements for the spontaneous self-assembly of the sandwich-like complexes through η22-charge-transfer contacts.

Original languageEnglish (US)
Pages (from-to)7202-7207
Number of pages6
JournalAngewandte Chemie - International Edition
Volume49
Issue number40
DOIs
StatePublished - Sep 24 2010
Externally publishedYes

Keywords

  • Anion receptors
  • Anion-π interactions
  • Charge-transfer
  • Donor-acceptor systems
  • Supramolecular chemistry

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

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