Crystal Structures and Magnetic Behaviors of Nickel(III) -Dithiolene Complexes
2014
The crystal structures and magnetic properties were investigated for two ion-pair complexes, which consisted of [Ni(mnt)2]-(mnt=1,2-dithiolene) with [2-[[4-(dimethylamino)phenyl]azo]-1-methyl-py]+for complex 1and [2-[[4-(dimethylamino)phenyl]azo]-1-benzyl-py]+for complex 2. In complexes 1 and 2, cations and anions stacked into segregated columns. Magnetic susceptibility measurements in temperature range 2 ~300 K showed that complex 1 exhibited an antiferromagnetic coupling feature with θ=-0.016 2 K, while 2 shows characteristic of spin-gap(Δ/κb=38915.42 K) around 110 K. CCDC: 993885, 1; 993887, 2; 993886, 2′.
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