Crystal structures of K- and Cs-exchanged forms of zorite

Zubkova NV; Pushcharovsky DY; Giester G; Pekov IV; Turchkova AG; Chukanov NV; Tillmanns E

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Crystal structures of K- and Cs-exchanged forms of zorite

机译：锆石的K和Cs交换形式的晶体结构

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The crystal structures of K- and Cs-exchanged forms of zorite were studied by X-ray diffraction and IR spectroscopy: K4.75Na1.82[Ti(Ti0.79Nb0.20)(4)Si12O34(O,OH)(5.2)] x 10.62 H2O (sp. gr. Cmmm, R = 0.0481 for 516 independent reflections) and Cs4.34Na1.90[Ti(Ti0.80Nb0.18)(4)Si12O34(O,OH)(5)] x 5.37 H2O (sp. gr. Cmmm, R = 0.0285 for 621 independent reflections). Both structures retain the mixed polyhedral framework of zorite: Na6Ti(Ti,Nb)(4)(Si6O17)(2)(O,OH)(5) x nH(2)O, where n similar to 11. It is shown that the positions of the atoms located in the cavities of the frameworks of these compounds differ from those in the structures of zorite and its synthetic analogs. (c) 2005 Pleiades Publishing, Inc.

机译：通过X射线衍射和红外光谱研究了K和Cs交换形式的锆石的晶体结构：K4.75Na1.82 [Ti（Ti0.79Nb0.20）（4）Si12O34（O，OH）（5.2） ] x 10.62 H2O（sp。gr。Cmmm，对于516次独立反射，R = 0.0481）和Cs4.34Na1.90 [Ti（Ti0.80Nb0.18）（4）Si12O34（O，OH）（5）] x 5.37 H2O （sp。gr。Cmmm，对于621次独立反射，R = 0.0285）。两种结构都保留了锆石的混合多面体骨架：Na6Ti（Ti，Nb）（4）（Si6O17）（2）（O，OH）（5）x nH（2）O，其中n与11相似。这些化合物的骨架腔中的原子位置与铁氧体及其合成类似物的结构不同。（c）2005年Pleiades Publishing，Inc.

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《Crystallography reports》 |2005年第3期|共7页
作者
Zubkova NV; Pushcharovsky DY; Giester G; Pekov IV; Turchkova AG; Chukanov NV; Tillmanns E;
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正文语种 eng
中图分类晶体学;
关键词
MOLECULAR-SIEVES; ETS-4; NENADKEVICHITE;

机译：分子筛;ETS-4;NENADKEVICHITE;

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Crystal structures of K- and Cs-exchanged forms of zorite

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