节点文献
柔性1,5-二(2-甲基咪唑)戊烷配体构筑的两种锌配合物的合成、结构及性质(英文)
Syntheses, Crystal Structures and Properties of Two Zn. Complexes Constructed from Flexible 1,5-Bis(imidazol-2-methyl)pentane Ligand
【摘要】 利用过渡金属锌盐与1,5-二(2-甲基咪唑)戊烷(BMIP)、5-羟基(或5-溴)间苯二甲酸(5-OHH2IP或5-BrH2IP)在水热条件下合成了配合物[Zn(5-OHIP)(BMIP)]n (1)和[Zn(5-BrIP)(BMIP)]n (2)(BMIP=1,5-二(2-甲基咪唑)戊烷,5-OHIP=5-羟基间苯二甲酸根,5-BrIP=5-溴间苯二甲酸根),对其进行了红外、元素分析表征并用单晶X射线衍射确定了其结构。晶体结构研究表明:配合物1属于单斜晶系,P21/n空间群,β角为101.363(10)°。配合物1是由配体5-羟基间苯二甲酸连接锌离子形成一维链状结构,然后由1,5-二(2-甲基咪唑)戊烷将其连接成二维网络结构。配合物2是由配体5-溴间苯二甲酸和1,5-二(2-甲基咪唑)戊烷连接锌离子形成二维层状结构,由另一方向的1,5-二(2-甲基咪唑)戊烷连接成三维层柱状结构,最终形成三重贯穿网络结构。此外,研究了配合物1和2的荧光和光降解亚甲基蓝性能,结果表明配合物1和2对亚甲基蓝染料均有较好的降解作用。
【Abstract】 Hydrothermal assembly reactions of Zn(NO3)2·6 H2 O,1,5-bis-(2-methyl-imidazol)pentane(BMIP) and 5-hydroxyisophthalic acid(5-OHH2 IP) or 5-bromoisophthalic acid(5-BrH2 IP) ligands resulted in the formation of complexes [Zn(5-OHIP)(BMIP)]n(1) and [Zn(5-BrIP)(BMIP)]n(2),respectively.The resulting complexes were characterized by IR spectrum,elemental analysis and single-crystal X-ray diffraction.Crystal structure analysis shows that complex 1 crystallizes in the monoclinic system,space group P21/n with β=101.363(10)°.Complex 1 displays a twodimensional layer net constructed by 5-hydroxyisophthalic acid and 1,5-bis-(2-methyl-imidazol)pentane.For 2,5-bromoisophthalic acid and 1,5-bis-(2-methyl-imidazol)pentane link Zinc ion into a two-dimensional layers,which are pillared by the other BMIP ligands to result in the three-dimensional framework from another direction.Finally,it exhibits a fascinating three-fold interpenetrating net with dmp topology.Both complexes exhibit a strong photoluminescence in the solid state at room temperature.Moreover,two complexes present good photocatalytic activities in methylene blue(MB) degradation reactions.CCDC:1502156,1;1502157,2.
【Key words】 1,5-bis(2-methy-imidazolyl)pentane; crystal structure; fluorescence; degradation;
- 【文献出处】 无机化学学报 ,Chinese Journal of Inorganic Chemistry , 编辑部邮箱 ,2020年11期
- 【分类号】O643.36;O641.4;X703
- 【下载频次】116