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一种大环铜配合物的合成与结构研究

Synthesis and crystal structure of Cu(teta)(PF_6)_2 (teta-meso- 5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane)
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摘要 合成了新配合物Cu(teta)(PF6)2(teta=内消旋5,7,7,12,14,14-六甲基-1,4,8,11-四氮杂环十四烷),并且经元素分析、红外光谱和电子吸收光谱表征,其结构通过单晶X-射线衍射法确定.该配合物属单斜晶系,空间群P21/n.晶胞参数a=0.8465(5),b=0.9093(6),c=1.6418(11)(nm),β=97.227(10)°,V=1 2537(14)nm3,Z=2,ρcalc=1 690g/cm3,F(000)=654.00.最后的偏差因子R1=0 097,wR2=0 190[I>2σ(I)].铜原子位于配合物的对称中心,与teta的四个氮原子呈平面正方形配位. The complex Cu(teta)(PF_6)_2 (teta=meso-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane) was synthesized and characterized by elementary analysis, IR and UV and the structure was determined by single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P2_1/n　with a =0.8465(5),b = 0.9093(6),c = 1.6418(11)nm,β= 97.227(10)°,V = 1.2537(14) nm^3,Z=2,ρ_(calc) =1.690 g/cm^3,F(000) = 654. The complex has the centrosymmetry and the copper(Ⅱ) ion is located in the center. The copper(Ⅱ) ion co-ordinates with four nitrogens of the macrocycle in square planar environment.
作者 丁建刚 李宝龙 魏欢欢 张勇
机构地区 苏州大学化学化工学院
出处 《苏州大学学报（自然科学版）》 CAS 2005年第1期80-83,共4页 Journal of Soochow University(Natural Science Edition)
基金 江苏省高校自然科学基金资助项目(03KJB150118)
关键词 铜配合物 单斜晶系 空间群 电子吸收光谱 配位 原子 结构研究 合成 甲基 消旋 crystal structure 1,4,8,11-tetraazacyclotetradecane copper complex
分类号 O614.121 [理学—无机化学]
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参考文献16

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苏州大学学报（自然科学版）
2005年 第1期

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