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两个基于2-丙基-4,5-咪唑二甲酸的锶和钡配合物的合成,结构及性质研究(英文) 被引量:2

Synthesis,Structural and Properties of Two Strontium and Barium Complexes Based on 2-Propyl-1H-imidazole-4,5-dicarboxylic Acid
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摘要 基于2-丙基-4,5-咪唑二甲酸配体合成了2个新型锶和钡配合物,分别为[Sr(H2pimda)2(H2O)2]n(1)和{[Ba(H2pimda)2(H2O)3]H2O}n(2),(H3pimda=2-丙基-4,5-咪唑二甲酸),用元素分析、红外光谱、热重分析对产物进行表征,用单晶X-射线衍射方法测定了配合物1和2的晶体结构。配合物1属于单斜晶系C2/c空间群,晶胞参数:a=1.30718(12)nm,b=1.31913(12)nm,c=1.16824(11)nm,β=98.477 0(10)°。配合物2属于三斜晶系P1空间群,晶胞参数:a=1.0316 0(10)nm,b=1.054 60(10)nm,c=1.098 11(11)nm,α=75.878 0(10)°,β=78.512 0(10)°,γ=84.399(2)°。并且研究了配合物1的荧光性质。 Two strontium and barium complexes based on 2-propyl-1H-imidazole-4,5-dicarboxylic acid,namely [Sr(H2pimda)2(H2O)2]n(1),{[Ba(H2pimda)2(H2O)3]H2O}n(2),(H3pimda=2-propyl-1H-imidazole-4,5-dicarboxylic acid) have been synthesized and characterized by elemental analysis,infrared spectroscopy,thermogravimetric analysis(TGA) and single-crystal X-ray diffraction.Complex 1 is of monoclinic space group C2/c with the cell dimensions: a=1.307 18(12) nm,b=1.319 13(12) nm,c=1.168 24(11) nm,β=98.477 0(10)°,Complex 2 is of triclinic space group P1 with the cell dimensions: a=1.031 60(10) nm,b=1.054 60(10) nm,c=1.098 11(11) nm,α=75.8780(10)°,β=78.512 0(10)°,γ=84.399(2)°.Furthermore,the luminescent property of complex 1 has also been investigated.CCDC: 800152,1;806347,2.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2011年第10期2088-2094,共7页 Chinese Journal of Inorganic Chemistry
基金 国家海洋局公益性行业科研专项经费(No.2000905021) 广东省海洋渔业科技推广专项(No.A2009003-018(c)) 广东省自然基金(No.9252408801000002)资助项目
关键词 锶配合物 钡配合物 热稳定性 荧光 咪唑二甲酸 strontium complexe barium complexe thermal behavior luminescent property imidazole diacaboxylate
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