Complexes of some rare earth metal ions of the mesogenic Schiff-base, N,N′-di-(4′-octyloxybenzoatesalicylidene)-l″,8″-diamino-3″,6″-dioxaoctane: Synthesis and spectral studies

► Synthesis of a mesogenic Schiff's base ligand, containing two aromatic rings and one long ether spacer. ► Synthesis of LnIII complexes of the Schiff's base, H2L3. ► Structural characterization of the Schiff's base and of the LnIII complexes. ► Zwitterionic coordination of the Schiff's base to LnIII ions. ► Mesogenic studies of the Schiff's base and LaIII and GdIII Complexes.