聚合N-乙基咪唑银配合物[{(CH3CH2（CHNCHCHN）}2n（Ag2Br2）]n的合成与结构

The Synthesis and Structure of N-ethyl Imidazole Silver Compound of [{(CH3CH2（CHNCHCHN）}2n（Ag2Br2）]n

1,2-二溴环己烷、1-乙基咪唑、氧化银按照物质的量比为1∶2∶1的比例,在DMSO溶液中成功的了目标配合物[{(CH3CH2(CHNCHCHN)}2n(Ag2Br2)]n,配合物通过了元素分析,1HNMR和X-ray衍射表征.晶体的结构表明晶体属于单斜晶系,空间群为C2/c,化合物晶胞参数为a=15.2489(15)A,b=13.9888(13)A,c=7.7198(7)A,β=109.809(1)°,V=1549.A3(3)3,Z=8,F(000)=1086,D x=2.464 Mg/m^3,μ=7.68 mm^-1,R1=0.019,wR2=0.048.配合物是由1-乙基咪唑,银离子和溴离子桥联的聚合物结构,银离子是一个四面体结构,溴离子联接两个结构单元而形成一维聚合结构.

The silver complexes[{(CH 3CH 2(CHNCHCHN)}2n(Ag2Br2)]n were synthesized successful by the reaction of 1,2-Dibromocyclohexane,N-ethyl imidazole and Ag 2O in DMSO solution by 1∶2∶1 molar ratio.The compound has been characterized by elemental analysis,1HNMR and single-crystal X-ray diffraction.The structure of the crystal shows that it belongs to monoclinic system with space group C2/c,with a=15.2489(15)A,b=13.9888(13)A,c=7.7198(7)A,β=109.809(1)°,V=1549.3(3)A^3,Z=8,F(000)=1086,D X=2.464 Mg/m^3,μ=7.68 mm^-1,R1=0.019,wR2=0.048.The complex is composed of N-ethyl imidazole and Ag Cation bridged by bromine anion to form a poly structu-re.The Ag atom adopts a tetrahedral structure.Two units were bridged by bromine anion to form one-dimensional structure.