Photo-induced valence tautomerism and polarization switching in mononuclear cobalt complexes with an enantiopure chiral ligand

Abstract

Light-induced polarization switchable molecular materials have attracted attention for decades owing to the potential remote manipulation and ultrafast responsiveness. Here we report a valence tautomeric (VT) complex with an enantiopure...

Solvent-dependent valence tautomerism and polarization switching in a heterodinuclear [CrCo] complex

“…Indeed, subsequent research in the case of mononuclear cobalt complexes has demonstrated its efficacy in diversifying polar crystals with VT behavior. 2,40,52 However, the previously used crystallization strategy is invalid for dinuclear systems with homochiral ligands due to the lack of complementary interactions. Therefore, the [Co II Co III ] complex with an enantiopure SS -cth ligand was first investigated (cth = (7 S ,14 S )-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane) to aid in our initial screening.…”