用扩散法合成了一种新的银配合物—[Ag(mtyAA)]2·5(H2O)(mtyaa=2-(5-甲基-1,3,4-噻二唑)-硫乙酸阴离子),用X射线单晶衍射仪测定了配合物的单晶结构,并对它进行了元素分析、红外光谱、热重、荧光和粉末X射线衍射等表征.配合物属于三斜晶系,P1空间群.晶胞参数为:a=0.8473(4) nm,b=1.0620(5) nm,c=1.2055(6) nm,α=102.321(8)°,β=99.951 (9)°,γ=96.298(9)°, V=1.0317(9) nm3,Z=2,Dc=2.203 g/cm3,F(000)=676,R1=0.0670,wR2 =0.1558.在配合物中mtyaa配体采取两种配位模式.四配位的银离子通过mtyaa的端机氮原子和硫原子桥连形成一个二维结构,此二维结构又通过大量的氢键形成三维网络结构.本文研究了标题配合物的荧光性能.荧光测试表明,配合物在350 nm波长的光激发下在467和492 nm出现了两个弱发射峰,在530 nm处出现了一个较宽的发射带.
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