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Cube‐like 12‐MC‐4 and Offset Stacked 10‐MC‐3 Metallacrowns: Synthesis, Structure, and Magnetic Properties
Author(s) -
Su JianHui,
Yang Hua,
Tian Haiquan,
Li DaCheng,
Dou JianMin
Publication year - 2019
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201900014
Subject(s) - crystallography , triethylamine , magnetization , chemistry , crystal structure , ferromagnetism , cube (algebra) , oxime , materials science , magnetic field , condensed matter physics , physics , mathematics , organic chemistry , quantum mechanics , combinatorics , medicinal chemistry
Two complexes [Mn III 4 (naphthsao) 4 (naphthsaoH) 4 ] ( 1 ) and [Fe III 6 O 2 (naphthsao) 4 (O 2 CPh) 6 ] ( 2 ) [naphthsao = 1‐(1‐hydroxy‐naphthalen‐2‐yl)ethanone oxime] were obtained through the reactions of naphthsao ligand and MnCl 2 · 4H 2 O or FeCl 3 · 6H 2 O in the presence of triethylamine (Et 3 N). 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 .