论文部分内容阅读
采用水热法合成了二聚体Mn(Ⅱ)配合物[Mn(1,6-nds)(phen)2(H2O)]2·(CH3OH)3·(H2O)2,(1,6-nds=1,6-萘二磺酸根离子,phen=1,10-邻菲罗啉)。采用X射线单晶衍射、红外光谱、热重分析和紫外可见光谱等方法对配合物进行了表征。X射线单晶衍射表征结果表明,该配合物晶体属于三斜晶系,空间群为P-1。锰离子与两个1,10-邻菲罗啉分子、一个水分子和1,6-萘二磺酸根离子配位,形成[Mn(1,6-nds)(phen)2(H2O)]结构单元。这种结构单元、未配位的甲醇和水分子通过两种类型的氢键O-H…O和O-H…S相连,形成三维网状结构。与配体相比,配合物的荧光光谱发生红移,其最大发射峰在439 nm。
The dimeric Mn (Ⅱ) complexes [Mn (1,6-nds) (phen) 2 (H2O)] 2 · (CH3OH) 3 · (H2O) = 1,6-naphthalenedisulfonate ion, phen = 1,10-phenanthroline). The complex was characterized by X-ray single crystal diffraction, infrared spectroscopy, thermogravimetric analysis and UV-visible spectroscopy. X-ray single crystal diffraction characterization results show that the crystal belongs to the triclinic system, space group P-1. Manganese ions coordinate with two 1,10-phenanthroline molecules, one water molecule and 1,6-naphthalenedisulfonate ion to form [Mn (1,6-nds) (phen) 2 (H2O) unit. This structural unit, uncoordinated methanol and water molecules through two types of hydrogen bonds O-H ... O and O-H ... S connected to form a three-dimensional network structure. Compared with the ligand, the fluorescence spectrum of the complex redshifted, the maximum emission peak at 439 nm.