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两个镉的配位聚合物的原位水热合成、晶体结构与荧光性质 被引量:5

Hydrothermal in stiu Synthesis, Crystal Structure and Fluorescence Property of Two Cadmiun Coordination Polymers
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摘要 在水热条件下,以3-氨基-1,2,4-三唑-5-甲酸(AmTHZAC)为配体,原位反应得到了两个镉的配位聚合物Cd(AmTAZ)Cl(1)和[Cd(AmTAZ)(BDC)(H2O)2]·1.25H2O(2)(AmTAZH=3-amino-1,2,4-triazole,H2BDC=benzene-1,4-dicarboxylic acid),采用红外光谱、差热-热重、CHN元素分析及单晶X射线衍射等手段对晶体结构进行了表征,并研究了化合物1和2的荧光性质.化合物1属正交晶系,P2(1)2(1)2(1)空间群,a=0.6452(3)nm,b=0.7848(5)nm,c=1.0449(6)nm,V=0.5291(5)nm3,Z=4,最后一致性因子[I>2σ(I)],R1=0.0226,wR2=0.0377,GOF=1.087.化合物2属正交晶系,Pmc2(1)空间群,a=0.7100nm,b=0.9920nm,c=1.2561nm,V=0.8847nm3,Z=8,最后一致性因子[I>2σ(I)],R1=0.0934,wR2=0.2456,GOF=1.031. Two cadmiun coordination polymers Cd ( AmTAZ ) C1 ( 1 ) and [ Cd ( AmTAZ ) ( BDC ) ( H2O ) 2 ] · 1.25H2O(2) (AmTAZH = 3-amino-1,2,4-triazole, H2BDC = benzene-1, 4-dicarboxylic acid) were synthesized under hydrothermal in stiu conditions and characterized by IR, TG-DTA, CHN elemental analysis and single crystal X-ray diffraction analysis. The fluorescent properties of compounds 1 and 2 are also discussed. Compound 1 crystallizes in the triclinic space group P2 ( 1 ) 2 ( 1 ) 2 ( 1 ) with a = 0. 6452 ( 3 ) nm, b = 0. 7848 (5) nm, c = 1. 0449 (6) nm, V = 0. 5291 (5) nm^3, Z = 4, R1 = 0. 0226, wRz = 0. 0377, GOF = 1. 087. Compound 2 crystallizes in the orthorhombic space group Pmc2( 1 ) with a =0. 7100 nm, b =0. 9920 nm, c = 1.2561 nm, V=0.8847 nm^3, Z=8, R1 =0.0934, wR2 =0.2456, GOF=1.031.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2007年第10期1817-1820,共4页 Chemical Journal of Chinese Universities
基金 国家自然科学基金(批准号:50573030)资助.
关键词 配位聚合物 原位合成 荧光 晶体结构 Coordination polymer In stiu synthesis Fluorescence Crystal structure
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