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Keywords:

  • cage compounds;
  • host–guest systems;
  • metal stacking;
  • platinum;
  • supramolecular chemistry
Thumbnail image of graphical abstract

Supramolecular coordination polymers based on stacked square-planar PtII complexes, such as Magnus' Salts, show potential as functional materials. In their Communication on page 2606 ff. G. H. Clever, M. Shionoya, and co-workers describe a linear array of five alternately stacked PtII complexes in the form of a soluble host–guest complex. The X-ray structure of {[Pt(pyridine)4]⋅[PtCl4]2@cage} shows the linear, pentanuclear array within the cages and their circular packing into a hollow tubular superstructure.