4.7 Article

A unique type of a dicobalt cage templated by a weakly coordinated hexafluorophosphate anion: design, structure and solid-state NMR investigations

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DALTON TRANSACTIONS
卷 -, 期 47, 页码 10429-10432

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ROYAL SOC CHEMISTRY
DOI: 10.1039/b918888f

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  1. CNRS
  2. UPMC Paris-6
  3. Deutsche Forschungsgemeinschaft (DFG) Germany

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Adinuclear cobalt capsule [PF6 subset of(CH3CN)(2)(Co2L4)][PF6](3) (2), (L = bis-benzimidazole-1,3-phenylene) has been prepared using a self-assembly approach. This unique class of cage is perfectly designed to encapsulate weakly coordinated anions, i.e. BF4- and PF6- via an M center dot center dot center dot anion weak interaction as illustrated by X-ray and solid-state NMR investigations. Selective anion binding for BF4- over PF6- is also observed.

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