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2-D soft ferromagnet based on [Wv(CN)8]3- and CuII with a Tc of 34 K
Robert Podgajny1, Tomasz Korzeniak, Maria Balanda
1Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland.
Chemical Communications (Cambridge, England)
|July 19, 2002
Abstract:
Self-assembly of [Cu(tetren)]2+ (tetren = tetraethylenepentamine) and [W(CN)8]3- in acidic aqueous solution yields the double-layered square grid cyanide-bridged polymer of ((tetrenH5)0.8CuII4[Wv(CN)8](4).7.2H2O)n with Cu(II) centres of square pyramidal geometry coordinatively saturated solely by CN bridges supplied by five [W(CN)8]3- ions; it exhibits soft ferromagnetic behaviour with an ordering temperature Tc of 34 K.