4 years ago

Ferromagnetic dinuclear nickel(II) complexes bridged by azide ions

Ferromagnetic dinuclear nickel(II) complexes bridged by azide ions
Dinuclear nickel(II) complexes, [Ni2(mpapOH)2(CH3CO2)(N3)3] (1) and [Ni2(mpapOH)2(N3)4]·CH3OH (2) were synthesized by treating Ni(CH3CO2)2·4H2O and Ni(NO3)2·6H2O in methanol, respectively, with mpapOH (=2-methyl-2-[(2-pyridinylmethyl)amino]-1-propanol) and sodium azide; both 1 and 2 were characterized by elemental analysis, IR spectroscopy, X-ray diffraction, and magnetic susceptibility measurement. 1 was shown an asymmetric dinuclear structure, whereas 2 was displayed a symmetric dimeric one. 1 and 2 were exhibited end-on azido-bridged nickel(II) dinuclear units; corresponding ferromagnetic interactions through the bridged end-on azido ligands within the dimeric units were observed.

Publisher URL: www.sciencedirect.com/science

DOI: S1387700317305993

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