Takayuki Ishida, Chigusa Aoki, Takashi Nogami
A new chelating radical ligand 4ImNNH (2-(4-imidazolyl)-4,4,5,5-tetramethylimidazolin-1-yloxyl 3-oxide) was prepared, and complexation with nickel(II) nitrate gave [Ni(4ImNNH)2(NO3)2] as a discrete mononuclear complex. Magnetic measurements revealed that [Ni(4ImNNH)2(NO3)2] had a ground high-spin state (Stotal=2) and exhibited metamagnetic behavior below 3.4 K.
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