| 铝锗酸盐分子筛KAlGe3O8的合成与结构 |
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| 引用本文： | 刘志城,陈珍霞,翁林红,屠波,赵东元.铝锗酸盐分子筛KAlGe3O8的合成与结构[J].复旦学报(自然科学版),2003,42(6):961-966. |
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| 作者姓名： | 刘志城 陈珍霞 翁林红 屠波 赵东元 |
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| 作者单位： | 复旦大学,化学系,上海,200433 |
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| 基金项目： | 国家杰出青年基金(9925309);上海市科技重点基金资助项目(00JC14014) |
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| 摘 要： | 在KOH-GeO2-Al2O3-H2O-有机胺(二正丁胺、环己胺、二异丙胺、正丙胺、三正丁胺、哌啶、1,3-丙二胺、三乙烯四胺和溴化四丙基铵)体系中,采用水热法合成了一种新的锗铝酸盐分子筛KAlGe3O8,X射线单晶结构分析表明其结构与硅铝酸盐矿物paracelsian的类似,是由四元环带组成的4,6,8的空间网络结构,钾离子占据其八元环孔道中,KAlGe3O8的结晶学参数：Mτ=411．85,正交晶系,Pnmα,α=9．437(3)A,b=8．707(2)A,c=9．825(3)A,V=807．3(4)A^3,Z=4,R(F)=3．92％,wR(F^2)=8．57％。
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| 关 键 词： | 铝锗酸盐 分子筛 合成 结构 水热法 |
| 文章编号： | 0427-7104(2003)06-0961-06 |
Synthesis and Structure of a New Aluminum Germanate Molecular Sieve KAlGe3O8 |
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| LIU Zhi-cheng,CHEN Zhen-xia,WENG Lin-hong,TU Bo,ZHAO Dong-yuan.Synthesis and Structure of a New Aluminum Germanate Molecular Sieve KAlGe3O8[J].Journal of Fudan University(Natural Science),2003,42(6):961-966. |
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| Authors: | LIU Zhi-cheng CHEN Zhen-xia WENG Lin-hong TU Bo ZHAO Dong-yuan |
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| Abstract: | A new aluminum germanate molecular sieve, KAlGe_(3)O_(8), has been hydrothermallysynthesized in the system of KOH-GeO_(2)-Al_(2)O_(3)-H_(2)O-organic amines (di-n-butylamine, cyclohexylamine, di-iso-propylamine, n-propylamine, tri-n-butylamine, hexahydropyridine 1,3-diaminepropane, triethylenetetramine and TPABr). Single-crystal X-ray analysis reveals that its framework structure has a 4,6,8 network constructed by belts of 4-membered ring, whose topology is analogue to the mineral paracelsia. K~(+) ions are accommodated in its 8-membered rings channels. Crystal data of KAlGe_(3)O_(8): M_r=411.85, orthorhombic, Pnma, a=9.437(3), b=8.707(2), c=9.825(3) ?, V=807.3(4) ?~(3), Z=4, R(F)=3.92%, wR(F~(2))=8.57%. |
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| Keywords: | aluminum germanate molecular sieve synthesis structure |
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