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饱和Keggin型无机-有机杂化硅钨酸盐的合成及晶体结构 被引量：1

Synthesis and Crystal Structure of Saturated Keggin Inorganic-Organic Hybrid Silicotungstates
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摘要 以2,2′-联吡啶、H4SiW12O40·nH2O和MCl2(M=Ni,Zn)为原料,通过水法合成了两种饱和Keggin型有机-无机复合物[M(C10H8N2)2H2O]2SiW12O40·4H2O(M=Ni,Zn),并用元素分析、红外光谱、热重分析和X射线单晶衍射对其进行了表征。结构分析表明:两种晶体具有相似结构,均属三斜晶系,P-1空间群,其结构是由1个饱和Keggin结构阴离子[SiW12O40]4-单元两端通过W-O-M-O-W桥联2个M(C10H8N2)2H2O基团构成。 Two hybrid compounds, [M（C10H8N2）2H2O]2SiW12O40 · 4H2O （M-=Ni,Zn） （1） were synthesized from H4 SiW12 O40 · nH2 O, MCl2 （M= Ni, Zn） and 2 , 2＇-dipyridyl and characterized by elemental analyses, UV and IR spectra. X-ray structure analysis shows that they belong to triclinic system space group P-1 with the similar structure. The molecular structure consists of one anionic Keggin SiW12O40 unit and two M（C10 H8N2 ）2 H2O groups, in which M（C10 H8 N2 ）2 H2O and SiW12O40 are coordinated through bridging O atoms.
作者 杨磊 董幼青
机构地区 河南理工大学物理化学学院 温州大学纳米材料与化学重点实验室
出处 《材料导报（纳米与新材料专辑）》 EI CAS 2014年第1期275-278,共4页
基金 国家自然科学基金(61001005) 浙江省自然科学基金(Y1110734) 温州市重点科技创新团队项目(C20120001-04) 温州大学实验室研究项目(12sy11B)
关键词 KEGGIN型 杂化 硅钨酸盐 Keggin, hybrid, silicotungstates
分类号 O611.4 [理学—无机化学]
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参考文献10

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材料导报（纳米与新材料专辑）
2014年 第1期

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