Synthesis, Structures and Magnetic Properties of Two Binuclear Cobalt(II) Complexes Bridged by Bis(<i>p</i>-nitrophenyl) Phosphate or Diphenylphosphinate Ion
作者:Jin-Lei Tian、Wen Gu、Shi-Ping Yan、Dai-Zheng Liao、Zong-Hui Jiang
DOI:10.1002/zaac.200800130
日期:2008.8
Two new binuclear cobalt(II) complexes, [Co2L1(μ2-DPP)]2+ (1) (HL1 = N, N, N′, N′- tetrakis (2-benzimidazolylmethyl)-2-hydroxyl -1,3-diaminopropane; DPP = diphenylphosphinate) and [Co2L2(μ2-BNPP)2]+ (2) (HL2 = 2,6-bis-[N,N-di(2- pyridylmethyl)aminomethyl]-4-methylphenol, BNPP = bis(4-nitrophenyl)phosphate) have been synthesized and their crystal structures and magnetic properties are shown. In 1, each
两种新的双核钴 (II) 配合物 [Co2L1 (μ2-DPP)] 2+ (1) (HL1 = N, N, N ', N'- 四 (2-苯并咪唑基甲基) -2-羟基 -1,3-二氨基丙烷;DPP = 二苯基次膦酸盐)和 [Co2L2 (μ2-BNPP) 2] + (2) (HL2 = 2,6-bis- [N, N-di (2-pyridylmethyl) aminomethyl] -4-methylphenol, BNPP = bis (4-硝基苯基)磷酸盐)已被合成,并显示了它们的晶体结构和磁性。在 1 中,每个 CoII 原子都有一个带有 N3O2 供体组的扭曲三角双锥配位球,中心的两个 CoII 原子由一个烷氧基-O 原子和一个 μ2-DPP 离子桥接,Co1-Co2 分离度为 3.542A。在 2 中,每个 CoII 原子都有一个伪八面体环境,带有一个 N3O3 供体组,中间的两个