Synthesis, Structure and Magnetic Properties of dimeric Nickel(II) Benzoate with Pyridyl‐substituted Nitronyl Nitroxides
2010
The novel heterospin complex [Ni2(PhCOO)4(NITpPy)2]·2CH3CN (1) was synthesized by the reaction of nickel benzoate and 2-(4-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (NITpPy) in acetonitrile and dichloromethane solutions. The X-ray structure determination shows that complex 1 consists of a symmetrical dimeric NiII benzoate paddle-wheel core and pyridyl nitrogen atoms of radical ligands at the apical position, in addition, the temperature (2–300K) dependent magnetic susceptibility measurements indicate that 1 has antiferromagnetic behavior.
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