The spin gap system by self-assembly of benzyl-4-ethylpyridinium and bis(maleonitriledithiolate)niclelate(III) anion

作者：Zuo Hong Rong; Yin Wen Tao; Liang Li Bo; Huang Qian; Chen Xing; Zhou Jia Rong; Yang Le Min; Ni Chun Lin^*; Hu Xue Lei

来源：INORGANIC CHEMISTRY COMMUNICATIONS, 2010, 13(3): 408-411.

DOI：10.1016/j.inoche.2009.12.035

• Maleonitriledithiolate
• Benzyl-4-ethylpyridinium
• Nickel(III) complex
• Crystal structure
• Spin gap transition

The self-assembly of [BzEtPy](+)([BzEtPy](+) = benzyl-4-ethylpyridinium) cation and the [Ni(mnt)(2)](-) (mnt(2-) = maleonitriledithiolate) anion results in the forming of a new molecular solid [BzEtPy][-Ni(mnt)(2)](1), in which the anions and cations stack into columns and the Ni(III) ions form a 1D zigzag alternating chain through Ni S and pi pi interactions between [Ni(mnt)(2)](-) anions with the Ni Ni distances of 3 886 angstrom and 4 781 angstrom, and the four columns of cations create cubic-like large channel in which the [Ni(mnt)(2)](-) columns are located. Magnetic susceptibility measurements show that 1 exhibits a spin gap transition around 90 K.

• 单位
  South China Agricultural University