A one-dimensional chain compound [Cu(im2-py)(SCN)2]n exhibiting strong ferromagnetic coupling

A new one-dimensional chain compound [Cu(im2-py)(SCN)2]n (im2-py=2-(2′-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl) has been synthesized and characterized by X-ray crystallography and magnetic measurement. The structure consists neutral chains of Cu(im2-py) units linked by thiocyanate bridges. The strong ferromagnetic coupling between copper(II) ion and im2-py radical ligand was observed.