A Dinuclear Ni(II) Complex with Two Types of Intramolecular Magnetic Couplings:  Ni(II)−Ni(II) and Ni(II)−TTF

A dinuclear Ni(II) complex involving tetrathiafulvalene (TTF) radicals as ligands has been prepared and characterized, [Ni2(μ-Cl)2(L•+)2](I3)4(I2)3·(H2O)2·(C4H8O)3 (1), L = 4,5-bis(2-pyridylmethylsulfanyl)-4‘,5‘-ethylenedithiotetrathiafulvalene. There are two types of intramolecular magnetic exchang...

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Bibliographic Details
Published in:Inorganic chemistry 2006-11, Vol.45 (24), p.9622-9624
Main Authors: Liu, Shi-Xia, Ambrus, Christina, Dolder, Stefan, Neels, Antonia, Decurtins, Silvio
Format: Article
Language:English
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Summary:A dinuclear Ni(II) complex involving tetrathiafulvalene (TTF) radicals as ligands has been prepared and characterized, [Ni2(μ-Cl)2(L•+)2](I3)4(I2)3·(H2O)2·(C4H8O)3 (1), L = 4,5-bis(2-pyridylmethylsulfanyl)-4‘,5‘-ethylenedithiotetrathiafulvalene. There are two types of intramolecular magnetic exchange interactions, namely one ferromagnetic Ni(II)−Ni(II) and one antiferromagnetic Ni(II)−TTF•+. This study is new in the respect of revealing a magnetic exchange interaction between a TTF•+ radical and a paramagnetic transition metal ion. This is due to the fact of a direct binding of the transition metal ion to the skeleton of the TTF•+ radical.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic0613614