含5-(2-吡嗪基)-1 H-四氮唑配体的新型锶配合物的合成及固态荧光性质  

Synthesis and Solid Fluorescence Properties of Novel Strontium Complex Containing 5-(2-Pyrazinyl)-1 H-tetrazole

作　　者：赵成兄 杨周吉 孙赞 ZHAO Chengxiong;YANG Zhouji;SUN Zan(College of Chemistry and Chemical Engineering,Qinghai Minzu University,Xining 810007,China;Key Laboratory of Resource Chemistry and Eco-environmental Protection in Qinghai-Tibet Plateau(Qinghai Minzu University),State Ethnic Affairs Commission,Xining 810007,China)

机构地区：[1]青海民族大学化学化工学院,青海西宁810007 [2]青藏高原资源化学与生态环境保护国家民委重点实验室,青海西宁810007

出　　处：《合成化学》2024年第4期319-324,共6页Chinese Journal of Synthetic Chemistry

基　　金：青海省自然科学基金资助项目(2020-ZJ-964Q);青海民族大学2023年研究生精品示范课程项目(JK-2023-04)。

摘　　要：锶配合物因其优异的催化活性和荧光性质吸引了众多研究者的兴趣。在溶剂热条件下,以氯化锶为金属源,以2-吡嗪基四氮唑(HL)、胡椒酸(HL_(1))为配体,以DMF-水体系为溶剂合成了新型的单核锶配合物{[Sr(L)_(2)]·2H_(2)O}_(n)(I),其结构通过EA、SXRD、PXRD、IR和TGA进行了表征。单晶X-射线衍射结果表明:配合物I结晶于单斜晶系P2_(1)/n空间群,Sr呈略微扭曲的八面体几何构型,而胡椒酸没有参与配位。单核分子之间通过O—H···N氢键相互作用连接形成二维超分子网络结构。固体荧光研究表明:Sr配合物具有良好的荧光性能,最大发射波长为450 nm(λ_(ex)=223 nm),进一步表明I是一种潜在的蓝光材料。Strontium complexes have attracted the interest of many researchers because of their excellent catalytic activity and fluorescence properties.In this manuscript,A novel mononuclear complex{[Sr(L)_(2)]·2H_(2)O}_(n)(I)was synthesized by solvothermal synthesis using strontium chloride as metal source,5-(2-pyrazinyl)-1 H-tetrazole(HL)and piperic acid(HL_(1))as ligands in DMF-water system.The structure was characterized by EA,SXRD,PXRD,IR and TGA.The single crystal X-ray diffraction results show that complex I belongs to the monoclinic crystal system P2_(1)/n space group and Sr atoms displays a slightly twisted octahedral environment,while the pepper acid is not involved in coordination environment.The 2D supramolecular structure is formed by the intermolecular O—H···N hydrogen bond.Solid fluorescence study shows that complex I have well fluorescence properties with a maximum emission wavelength of 450 nm(λ_(ex)=223 nm),indicating that I is a potential blue light material.

关 键 词：锶配合物 溶剂热合成 氢键 超分子结构 荧光性质 

分 类 号：O641.4[理学—物理化学]