Coordination pyramid inversion, angular cluster core and homochiral single-stranded helix formation in polynuclear Mn(II) assemblies supported by bicompartmental salen type ligand based on o-xylylenediamine platform

Key Points

• The aim is to explore the formation of helical structures in manganese complexes using salen-type ligands.
• Utilized bicompartmental salen-type ligands based on o-xylylenediamine.
• Varied the flexibility of the spacer group connecting the ligand components.
• Synthesized polynuclear Mn(II) assemblies under controlled conditions.
• Successfully formed homochiral single-stranded helices in the assemblies.
• Demonstrated that spacer group flexibility significantly influences structural outcomes.
• Revealed the potential for diverse applications of these manganese complexes.