The -accepting arene HAT(CN)6 as a halide receptor through charge transfer: multisite anion interactions and self-assembly in solution and the solid state.
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abstract
Sensitive molecular scaffold : The exceptional -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-, in solution and the solid state. The halide ions are the driving elements for the spontaneous self-assembly of the sandwich-like complexes through 2,2-charge-transfer contacts. 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.