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Reaction of ligand 2 with CuI ions leads to the self-assembly of the distorted [2 × 2] grid complex 1 of box-like shape, featuring a well defined cavity and trapping of guest molecules.

Extended stereochemically pure C2-symmetric diruthenium rods, Λ,Λ-1, Δ,Δ-1, Λ,Λ-2 and Δ,Δ-2, have been synthesized from enantiomerically pure building blocks.

CuI ions and ligand L self-assemble to generate in solution a mixture of the double helical 1, triangular 2 and square grid 3 complexes, from which 1 has been crystallized and its crystal structure determined.