Synthesis, crystal structure and magnetic properties of N1,N2-bridged polynuclear Ni(II) complexes
作者:Bin Ding、Long Yi、Wei-Zheng Shen、Peng Cheng、Dai-Zheng Liao、Shi-Ping Yan、Zong-Hui Jiang
DOI:10.1016/j.molstruc.2005.08.025
日期:2006.2
Abstract A series of nickel(II) complexes [Ni 3 (L1) 6 (H 2 O) 6 ]Cl 6 ·10H 2 O ( 1 ), [Ni 3 (L2) 6 (H 2 O) 6 ](NO 3 ) 5 (OH)·2H 2 O ( 2 ) and [Ni 2 ( μ -pz) 3 (tpm) 2 ](OH)·0.5H 2 O·C 2 H 5 OH ( 3 ) were synthesized and structural characterized via X-ray single-crystal diffraction (L1=3,5-dimethanyl-4-amino-1,2,4-triazole, L2=4-2-pyridinyl-1,2,4-triazole, Hpz=pyrazole, tmp=tris(pyrazolyl)methane)
摘要 一系列镍(II)配合物[Ni 3 (L1) 6 (H 2 O) 6 ]Cl 6 ·10H 2 O ( 1 ), [Ni 3 (L2) 6 (H 2 O) 6 ](NO 3 ) 5 (OH)·2H 2 O ( 2 ) 和[Ni 2 ( μ -pz) 3 (tpm) 2 ](OH)·0.5H 2 O·C 2 H 5 OH ( 3 ) 被合成和结构表征通过X-射线单晶衍射(L1=3,5-dimethanyl-4-amino-1,2,4-triazole, L2=4-2-pyridinyl-1,2,4-triazole, Hpz=pyrazole, tmp=三(吡唑基)甲烷)。1 和 2 是线性三核阳离子,而 3 具有双核 Ni(II) 单元,所有这些单元都包含具有 N1,N2 桥接基序的桥连三唑或吡唑配体。1 – 3 的紫外-可见光谱显示了 Ni(II) 离子的典型八面体配位场。变温 (2–250