氨基酸还原希夫碱HL (N-(4-吡啶甲基)-L-丝氨酸)与CuCl2·2H2O在室温条件通过扩散法合成了配位聚合物{[Cu2(L)2(Cl)2]·H2O}n(I).采用元素分析、红外光谱、X-射线单晶衍射、粉末衍射和热重分析进行了表征.两个结晶学独立Cu(II) 包含于其晶体结构中,Cu1为变形八面体CuO2N2Cl2几何构型;Cu2则呈现略有变形的四方锥结构.Cu1和Cu2通过配体L-的吡啶氮原子以及氯离子的桥连作用连接为2D网状结构.变温磁化率实验表明在温度为2~300 K,配合物I表现为铁磁性耦合.
The coordination polymer {[Cu2(L)2(Cl)2]·H2O}n(I) has been synthesized from the reaction of the amino acid reduced Schiff base HL (N-(4-pyridylmethyl)-L-serine) with CuCl2·2H2O at room temperature using diffusion method.The compound was characterized via elemental analysis, FTIR, single-crystal X-ray diffraction, powder X-ray diffraction and thermogravimetric analysis.The crystal structure consists of two crystallographically independent Cu(II).Cu1 possesses a distorted octahedral CuO2N2Cl2 geometry.Cu2 displays a slightly distorted square pyramid geometry.The L-anion via the pyridyl N atom and chloride ion bridge Cu1 and Cu2 to extend into a 2D network structure.Variable temperature magnetic studies show that complex I is ferromagnetic coupling between 300 K and 2 K.
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