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Keywords:

  • coordination modes;
  • host–guest systems;
  • N ligands;
  • silver;
  • supramolecular chemistry
Thumbnail image of graphical abstract

A flexible host: The use of pyridyl-substituted cyclotriveratrylene ligands coupled with geometrically accommodating silver centers has resulted in the isolation and structural characterization of a compact [M2L2] molecular capsule and an [M4L4] tetrahedral prism (see structure). The former incarcerates two coordinated CH3CN molecules while the latter has an unusual star-burst shape and also acts as host for CH3CN molecules.