Engineering Mononuclear Ln(III) Complexes with a Pseudo-Macrocyclic Hexadentate N4O2 Schiff Base Ligand Exhibiting Slow Magnetic Relaxation
Ismael Francisco Diaz-Ortega,
Yating Ye,
Jesus Jover
et al.
Abstract:We report here the synthesis of a series of nine coordinated mononuclear LnIII complexes [LnL1Cl2(DMF)]Cl·2.5DMF and [LnL1(L2)2]Cl·4CH3OH (LnIII = GdIII, DyIII, ErIII and YbIII, HL2 = 9-anthracenecarboxylic acid), where L1 is a hexadentate N4O2 Schiff base ligand prepared from the condensation of 1,10-phenanthroline-2,9-dicarbaldehyde and semicarbazone. The X-ray crystal structures of these complexes show the LnIII ions to possess LnN4O2Cl2 and LnN4O4 coordination spheres, which can be considered to be derived… Show more
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