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Tetranuclear Complexes with { M 4 O 4 } ( M = Co II , Ni II ) Cubane‐Like Core: Synthesis, Crystal Structure, and Magnetic Properties
Author(s) -
Wang Yingying,
Ma Yequn,
Liu Rui,
Yang Lulu,
Tian Guangru,
Sheng Ning
Publication year - 2016
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.201600018
Subject(s) - cubane , isostructural , crystallography , crystal structure , ferromagnetism , chemistry , hydroxymethyl , ion , hydrothermal synthesis , stereochemistry , hydrothermal circulation , physics , condensed matter physics , geology , seismology , organic chemistry
Two tetranuclear clusters of formula [ M 4 L 4 (HOMe) 4 ] {H 2 L = ( E )‐1‐[(2‐(hydroxymethyl)phenylimino)methyl]naphthalen‐2‐ol} [ M = Co ( 1 ), Ni ( 2 )] were hydrothermally synthesized by reaction of M (OAc) 2 · 4H 2 O with H 2 L and NaOH in MeOH. X‐ray crystal structure analysis revealed that complexes 1 and 2 are isostructural. In the core of the structures, four M II ions and four oxygen atoms occupied alternate vertices of [ M 4 O 4 ] cubane. The magnetic property measurements of 1 and 2 revealed that overall ferromagnetic M II ··· M II exchange interactions exist in both complexes.
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