[U(CO3)3(H2O)2]·2H2O配合物的合成及晶体结构

A uranylcontaining compound [U(CO₃)₃(H₂O)₂]·2H₂O has been synthesized under hydrothermal condition and characterized by X-ray single-crystal analysis. Crystal structural analysis indicates that this compound consists of three CO₃^2- molecules, one U⁶⁺. The results reveal that the title compound presents a 3D frame work built up by O-H…O week hydrogen bonds interactions. The central uranium atom is eight-coordinated through three CO₃^2- molecules and two H₂O. The compound shows a coplanar hexagonal network structure, each hexagon containing a hexagonal hole with a water moleculet. CCDC: 737313.     

[U(CO_3)_3(H_2O)_2]·2H_2O配合物的合成及晶体结构

A uranylcontaining compound [U(CO_3)_3(H_2O)_2]·2H_2O has been synthesized under hydrothermal condition and characterized by X-ray single-crystal analysis. Crystal structural analysis indicates that this compound consists of three CO_3~(2-) molecules, one U~(6+). The results reveal that the title compound presents a 3D frame work built up by O-H……O week hydrogen bonds interactions. The central uranium atom is eight-coordinated through three CO_3~(2-) molecules and two H_2O. The compound shows a coplanar hexagonal network structure, each hexagon containing a hexagonal hole with a water moleculet.     

铀酰杂化超分子化合物的合成、结构、电化学、荧光及光催化性质

合成了2,9-二甲基-1,10-邻菲罗啉的铀(Ⅵ)超分子杂化配合物[UO2Cl4]2[dmphenH2]2·3H2O(1),并进行了IR、UV、XPS和X单晶衍射分析。 铀的杂化配合物呈六配位的变形八面体结构,属单斜晶系,Cc空间群;晶胞参数分别为：a=1.7043(2) nm,b=0.8809(13) nm,c=2.7492(10) nm,α=90°,β=94.493(2)°,γ=90°,Z=4,V=4.1149(8) nm3。 氢键和π…π相互作用大大加强了配合物的稳定性。 配位导致紫外光谱的最大吸收峰发生红移。 荧光光谱显示,配合物在407 nm的光激发下可发射506.6 nm绿色荧光。 电化学研究表明,该配合物具有一对可逆的氧化还原峰和一个不可逆的还原峰。 该配合物在紫外光照射下显示出极高的光催化活性。 CCDC：780721     

铀-钾异核配位聚合物的合成及晶体结构

在水热反应条件下合成了1种新颖的U(Ⅵ)-K异核配位聚合物[UO2K2(pdc)2(H2O)3]n(H2pdc=吡啶-2,6-二羧酸),通过元素分析、红外、紫外光谱及热重对该配合物进行了表征。单晶结构表明:配合物属于单斜晶系,C2/c空间群;晶胞参数分别为a=1.888 5(6)nm,b=1.490 0(5)nm,c=0.740 2(2)nm,β=111.104(10)°。中心铀及钾原子通过2个氮原子和6个氧原子与吡啶-2,6-二羧酸配体结合。不同的[UO2K2(pdc)2].3H2O单元通过氧原子桥联组成三维链状配位聚合物。配位聚合物中存在π…π相互作用及氢键作用。