Switchable Chiral Architectures Containing Pr^III Ions: An Example of Solvent‐Induced Adaptive Behavior

Abstract

Triangular or pyramidal? Solvent-induced divergent self-assembly of a chiral ligand and PrIII ions leads diastereoselectively to two distinct but related superstructures, in which the ligands form helical domains attached to triangular (Pr3) or pyramidal (Pr4) metallic scaffolds (Pr green). The two structures are reversibly interconverted simply by varying the amount of water present in the solvent (CH3CN).