A novel microporous Ge-material containing nine-rings

被引:15
作者
Cascales, C [1 ]
Gutiérrez-Puebla, E [1 ]
Monge, MA [1 ]
Ruíz-Valero, C [1 ]
机构
[1] CSIC, Inst Ciencia Mat Madrid, Madrid 28049, Spain
来源
INTERNATIONAL JOURNAL OF INORGANIC MATERIALS | 1999年 / 1卷 / 02期
关键词
germanium microporous materials; chemical synthesis; X-ray diffraction; crystal structure; catalytic properties;
D O I
10.1016/S1466-6049(99)00027-6
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
(NH4)(2)Ge7O15 is the first microporous material containing nine-rings constituted by tetrahedral and octahedral germanium species. Its channel structure is characterized by a nine-ring channel running along the [001] direction. These channels are lined forming cages which are capped by six-rings giving rise to smaller tunnels in [110] [010] directions. Two, related by inversion center, NH4+ cations are housed in each cage bonded to several oxygen atoms of the framework through hydrogen bonds. The paper reports the full structural data as well as thermal stability conditions and the first catalytic essays. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:181 / 186
页数:6
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