摘要
采用水热合成法合成了二聚体铒配合物[Er2(Ts-gly)6(H2O)4](4,4'-bpy)2(ET)2(Ts-gly-=对甲苯磺酰甘氨酸根离子,4,4'-bpy=4,4'-联吡啶,ET=乙醇),并利用元素分析、红外光谱(FT-IR)、热重分析(TG-DSC)和X射线衍射等实验手段研究了配合物的组成、结构和性质。X射线衍射结果表明:该配合物晶体属三斜晶系,P-1空间群,晶胞参数是:a=1.10408(13)nm,b=1.41954(17)nm,c=1.5738(2)nm,α=72.812(6)°,β=89.013(5)°,γ=75.660(6)°,V=2.2789(5)nm3,M r=2180.53,D c=1.589 g·cm-3,Z=1,μ=2.050 mm-1。8个氧原子在铒离子周围形成一个变形的三角十二面体配位环境。配合物存在丰富的氢键,将配合物连接成二维层状超分子结构。
One dinuclear complex of N-p-tolylsulfonyl- glyeine acid and 4,4'-bipyridine and rare earth Er was synthesized by hydrothermal synthesis method. Its crystal structure was determined to be [ Er2 (Ts-gly) 6 ( H2 0 )4 ] (4,4 '-bpy )2 ( ET )2 ( Ts-gly- = N-p-Tolylsul- fonyl-glycine, 4,4'-bpy = 4,4'-bipyridine, nol) by elemental analysis, IR, TG-DSC erystallograph. The erystal is of trielinic, s ET = etha- and X-ray pace group p-l, with the cell parameters: a=1.10408(13)nm,b=1.41954(17)nm,c=1.5738(2)nm,d=72.812(6)°,β=89.013(5)°,Y=75.660(6)°,V=2.2789(5)nm^3,Mc=2180.53,Dc=1.589g·cm^-3,Z=1,μ=2.050mm^-1. The Er^3+ ion was in geometry of distorted trigondodecahedron built by eight oxygen atoms. There was rich hydrogen bond in the title complex, forming a two-dimensional layer su- permolecule structure.
出处
《中国稀土学报》
CAS
CSCD
北大核心
2013年第6期689-694,共6页
Journal of the Chinese Society of Rare Earths
基金
福建省教育厅基金(JK2011042
JK2012039)
结构化学国家重点实验室科学基金(20120016)资助