Abstract
The diamagnetic dinuclear complex Ni2L4 was synthesized by the reaction of NiCl2·6H2O with 2-mercaptobenzimidazole (LH) in ethanol in the presence of Et3N. The solid-state reaction (reagent ratio Ni: LH = 1: 2) followed by recrystallization of the reaction product from a MeCN-THF mixture afforded crystals of the associate [Ni2L4]2·[NiCl2(LH)2(MeCN)2] containing four acetonitrile solvate molecules. Crystals of 2·4MeCN exhibit ferromagnetic properties at helium temperatures.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2101–2105, December, 2006.
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Nikiforova, M.E., Talismanova, M.O., Aleksandrov, G.G. et al. Unusual magnetic behavior of the new supramolecular ensemble [Ni2L4]2·[NiCl2(LH)2(MeCN)2]·4MeCN (LH is 2-mercaptobenzimidazole). Russ Chem Bull 55, 2181–2186 (2006). https://doi.org/10.1007/s11172-006-0570-y
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DOI: https://doi.org/10.1007/s11172-006-0570-y