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[Pb(DNI)2(H2O)4]的制备和晶体结构

Preparation and crystal structure of [Pb(DNI)_2(H_2O)_4]
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摘要 通过2,4-二硝基咪唑(2,4-DNI)的钠盐水溶液与硝酸铅的水溶液反应,制备出了2,4-二硝基咪唑铅配合物;采用自然挥发法培养出了适于X光结构测定的单晶,X射线衍射测定结果为,晶体属单斜晶系,空间群为Cc,晶体学参数为:a=6.517(3)×10-1nm,b=17.131(6)×10-1nm,c=14.082(7)×10-1nm,α=90.00(3)°,β=97.80(4)°,γ=90.00(4)°,V=1 557.5(12)×10-3nm3,Z=4,Dc=2.531 g/cm3,μ=11.001 mm-1,F(000)=1 120,最后偏离因子R为0.022 6。根据红外光谱、元素分析和X射线衍射分析结果,确定了2,4-二硝基咪唑铅配合物的化学组成为C6H10O12N8Pb,分子结构式为[Pb(DNI)2(H2O)4]。 [ Pb (DNI) 2 ( H2 O) 4 ] was prepared by mixing the aqueous solution of sodium 2,4-dinitroimidazolate and lead nitrate. The single crystal structure of [ Pb (DNI)2 (H2 O)4 ] has been determined by single crystal diffraction analysis. The crystal monoclinic space group Cc with crystal parameters of α = 6.517(3) ×10^-1 nm,b =17.131(6) ×10^-1 nm,c=14.082(7) ×10^-1 nm,α= 90.00(3) °,β=97.80(4)°, γ=90.00(4) °,V=1 557.5(12) ×10^-3 nm^3,Z=4,Dc=2.531 g/cm^-3,μ=11.001 mm^-1,F(000) = 1 120. The final deviation factor R is 0.022 6. According to the IR spectra analysis,the element analysis and the X-ray diffraction analysis, the chemical component of the 2,4-DNI lead complex is C6 H10O12 N8Pb and its formula is [ Pb(DNI)2 ( H2O)4 ].
出处 《应用化工》 CAS CSCD 2008年第7期760-763,766,共5页 Applied Chemical Industry
基金 兵器预研基金资助项目(42001060202)
关键词 2 4-二硝基咪唑铅配合物 制备 晶体结构 结构化学 2,4-DNI complex preparation crystal structure structure chemistry
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参考文献5

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二级参考文献5

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