Abstract
AbstractA Salen‐type [Salen = N,N′‐ethylene bis(salicylideneimine)] mononuclear lanthanide(III)‐based Zn‐Dy‐Zn complex [Dy(ZnL)2(CH3COO)Cl2]·CH2Cl2 (1) was prepared [H2L = N,N′‐bis(3‐ethoxysalicylidene)phenylene‐1,2‐diamine]. Single‐crystal X‐ray diffraction analysis revealed that DyIII was sandwiched between the two ZnL moieties, which was coordinated by three outer OO2 atoms and four inner N2O2 atoms from two Salen‐type ligand, respectively, and an oxygen atom of acetic acid molecule completed the eight‐coordinate arrangement. The continuous‐shape‐measures (CShMs) analysis to the DyIII coordination polyhedron revealed that the coordination environment lies among the ideal spherical triangular dodecahedron (D2d) and square antiprism (D4d), respectively, but with relative large deviation parameters. The alternative current (ac) susceptibility measurements shown that it behaved as a field‐induced single‐molecule magnet with relaxation energy barrier Ueff = 19 K and τ0 = 1.5 × 10–5 s.
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