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h-MoO3·1/3H2O的水热合成、晶体结构、红外光谱及Raman振动光谱的研究
METASTABLE HEXAGONAL MOLYBDENUM TRIOXIDE HYDRATE:HYDRITHERMAL SYNTHESIS,CRYSTAL STRUCTURE,IR AND RAMAN SPECTROSCOPIC
【摘要】 采用水热法制备了h-MoO3·1/3H2O(化合物(1)),通过单晶X射线衍射对h-MoO3·1/3H2O的结构进行了进一步的确定,分析表明化合物h-MoO3·1/3H2O的结构基于由MoO6八面体形成的双链,通过共价键的结合形成了具有三维层状结构的多孔化合物,在化合物中含有由12元环和3元环堆积而成的两种隧道,其中水分子占据了12元环隧道.另外,作者研究了化合物(1)的红外光谱和拉曼光谱性质,并与其它相的化合物进行了对比.
【Abstract】 Metastable hexagonal molybdenum trioxide hydrate, MoO3·1/3H2O, has been hydrothermally synthesized and characterized by Single-crystal X-ray diffraction, IR, Raman. The structure of compound is based on double chains of MoO6 octahedra bonded together with oxygen atom into a three-dimensional frameworks and porous molybdenum trioxide, in which two kinds of 1D tunnel exist. The one tunnel consists of hexagonal 12-member-ring defined by twelve {MoO6} octahedra, where the free water molecules were located. The other consists of 3-member-ring defined by three {MoO6} octahedra. Additionally, IR and Raman apectra were employed to compare its structure with the known similar compounds.
【Key words】 hydrothermally synthesized; IR; Rraman; crystal structure; tunnel;
- 【文献出处】 陕西科技大学学报(自然科学版) ,Journal of Shaanxi University of Science & Technology(Natural Science Edition) , 编辑部邮箱 ,2010年03期
- 【分类号】O614.612
- 【被引频次】3
- 【下载频次】148