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Inne
Ferromagnetic properties of a trinuclear nickel(II) complex with a trithiocyanurate bridge.
Autorzy
Rok wydania
2009
Czasopismo
European Journal of Inorganic Chemistry
Strony
5475-5482
DOI
10.1002/ejic.200900617
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A novel trinuclear nickel(II) complex with N,N,N′,N″,N″‐pentamethyldiethylenetriamine (pmdien) and a trithiocyanurate(3–) (ttc3–) bridge of composition [Ni3(pmdien)3(μ‐ttc)](ClO4)3 (1) was prepared. The X‐ray crystal structure of 1 was determined, revealing the tris‐N,S chelating mode of the trithiocyanurate bridge, forming a regular triangular NiII3 core. A deformed trigonal bipyramidal arrangement of the central atoms was further achieved by coordination of three pmdien N atoms. The complex shows a ferromagnetic exchange interaction among the NiII magnetic centers that is tuned by single‐ion anisotropy and/or antisymmetric exchange. The complex orders ferromagnetically at Tc = 10 K and exhibits spin‐glass properties.
Słowa kluczowe
nickel, magnetic properties, bridging ligands, mulinuclear complexes
Adres publiczny
https://doi.org/10.1002/ejic.200900617
Strona internetowa wydawcy
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