Abstract
Two complexes [MnIII4(naphthsao)4(naphthsaoH)4] (1) and [FeIII6O2(naphthsao)4(O2CPh)6] (2) [naphthsao = 1‐(1‐hydroxy‐naphthalen‐2‐yl)ethanone oxime] were obtained through the reactions of naphthsao ligand and MnCl2·4H2O or FeCl3·6H2O in the presence of triethylamine (Et3N). Their structures were determined by X‐ray single crystal diffraction, elemental analysis, and IR spectra. Complex 1 displays 12‐MC‐4 metallacrown structural type with cube‐like configuration and 2 shows an offset stacked 10‐MC‐3 structural type with the ring connectivity containing Fe–O–C–O–Fe–O–N–Fe–O–N. Magnetic susceptibility measurement reveals the ferromagnetic interactions and field‐induced slow relaxation of the magnetization for 1, whereas out‐of‐phase signal is not observed for 2.
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