本文以乙腈/二甲苯(1∶1)作为溶剂合成了配合物[Ag(pba)(Et-dtc)].p-xylene(pba=N,N-二[(二苯基膦)亚甲基]-苯胺,Et-dtc=N-乙基二硫代氨基甲酸)。X-射线单晶结构分析表明,该配合物为三斜晶系,空间群为P-1,晶胞参数为:a=1.003 9(2)nm,b=1.026 22(2)nm,c=1.931 3(4)nm;α=86.404(3)°,β=75.142(2)°,γ=67.018(2)°,Z=2。该配合物中Ag+与N,N-二[(二苯基膦)亚甲基]-苯胺中的两个膦原子、N-乙基二硫代氨基甲酸的两个硫原子配位形成四面体的构型,其a轴方向通过C—H…π(φ=168.7°,Dlin=0.288 1 nm)作用进行堆积。并用红外、荧光光谱等对化合物进行表征。
[Ag(pba)(Et-dtc)]·p-xylene(pba=N,N-bis((diphenylphosphino)methyl)benzenamine,Et-dtc=N-ethyldithiocarbamate) has been prepared in 4 mL CH3CN/p-xylene(1∶1) and structurally characterized.The crystal is of triclinic,space group P-1 with a=1.003 9(2) nm,b=1.026 22(2) nm,c=1.931 3(4) nm;α=86.404(3)°,β=75.142(2)°,γ=67.018(2)°,Z=2.The Ag(Ⅰ) atom in the title compound is four coordinated by two P atoms of N,N-bis((diphenylphosphino)methyl)benzenamine and two S atoms of two N-ethyl dithiocarbamate,forming a tetrahedral geometry.In the crystal,the cationsare is linked by C—H…π interactions,forming chains along the a axis(φ=168.7°,Dlin=0.288 1 nm).The title complex is characterized by IR and fluorescence.