Direct synthesis of an heterometallic {Mn(II)3Cr(III)4} wheel by decomposition of Reineckes salt

A new heterometallic Mn/Cr molecular wheel complex has been synthesized using zerovalent manganese, Reineckes salt, ammonium thiocyanate and triethanolamine (H(3)tea) as starting materials. The compound [Mn(3)Cr(4)(NCS)(6)(Htea)(6)] (1) has been characterized in terms of its electrochemical, IR and...

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Published in:Dalton transactions : an international journal of inorganic chemistry 2010-01, Vol.39 (9), p.2344-2349
Main Authors: Semenaka, Valentyna V, Nesterova, Oksana V, Kokozay, Volodymyr N, Zybatyuk, Roman I, Shishkin, Oleg V, Boca, Roman, Shevchenko, Denys V, Huang, Ping, Styring, Stenbjörn
Format: Article
Language:English
Subjects:
Chemistry
Kemi
NATURAL SCIENCES
NATURVETENSKAP
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Summary:A new heterometallic Mn/Cr molecular wheel complex has been synthesized using zerovalent manganese, Reineckes salt, ammonium thiocyanate and triethanolamine (H(3)tea) as starting materials. The compound [Mn(3)Cr(4)(NCS)(6)(Htea)(6)] (1) has been characterized in terms of its electrochemical, IR and EPR spectroscopic as well as its magnetic properties. The magnetic susceptibility and magnetization data were treated simultaneously during the optimization routine and resulted in J(Mn-Cr) = +0.43 cm(-1), J(Cr-Cr) = -4.75 cm(-1), J(Mn-Mn) = +1.78 cm(-1), g(eff) = 1.878 with the ground state S = 15/2.
ISSN:1477-9226
1477-9234
1477-9234
DOI:10.1039/b920375c