Synthesis, crystal structure and magnetic property of a new 1D molecular material [1-(4′-chlorobenzyl)–4-aminopyridinium](+) bis(maleonitriledithiolato)nickel(–)

Add time:07/12/2019    Source:sciencedirect.com

A new ion-pair complex, [1-(4′-chlorobenzyl)–4-aminopyridinium](+)bis(maleonitrile-dithiolato)nickel(−),[ClbzPyNH2][Ni(mnt)2] (1), has been prepared and characterized. X-ray single crystal structure conforms that the Ni(mnt)2− anions and [ClbzPyNH2]+ cations of 1 form completely segregated uniform stacking columns with the Ni⋯Ni distance 3.944 Å in the Ni(mnt)2− stacking column. The temperature dependence of the magnetic susceptibility reveals that 1 undergoes a magnetic transition, and exhibits ferromagnetic interaction in the high-temperature phase and spin gap system in the low-temperature phase.

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