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科学通报  2014 

基于[Zn6(μ6-O)]簇和三角柔性羧酸构筑的配合物的合成和荧光性质

DOI: 10.1360/N972013-00070, PP. 1423-1428

Keywords: 水热合成,,三角柔性羧酸,荧光,晶体结构,[Zn6(μ6-O)]簇

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Abstract:

利用水热法成功合成了基于[Zn6(μ6-O)]簇和三角柔性羧酸H3TCOPM(TCOPM=三(对-苯甲酸)甲烷)构筑的配合物{[Zn6(μ6-O)(TCOPM)2]·5H2O·4NO3·DMF}n(DMF=N,N-二甲基甲酰胺),并通过单晶衍射﹑X射线粉末衍射(PXRD)、红外光谱、热重分析和元素分析对其进行了晶体结构的解析和表征.结果表明,配合物属于单斜晶系,C2/c空间群,H3TCOPM中3个羧酸全部脱质子参与配位,构筑成三维(3D)微孔网络结构.对其热稳定性和荧光性质进行了探讨,其荧光蓝移现象可能与空间构型对称性减少直接导致有效能量传递的途径减少有关.

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