K3FeTe2O8（OH）2（H2O）1+x的有序无序（OD）多型性。

IF 1.3 3区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Acta crystallographica Section B, Structural science, crystal engineering and materials Pub Date : 2023-12-01 Epub Date: 2023-11-07 DOI:10.1107/S2052520623009162

Tobias Wolflehner, Berthold Stöger

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引用次数: 0

摘要

以Te（OH）6、FeSO4·7H2O和85为原料，在水热条件下合成了K3FeTe2O8（OH）2（H2O）2 重量%KOH，摩尔比为1:2:6。晶体结构是由三周期网络构成的。每个配方单位有一个无序的水分子位于通道中，可以通过加热部分去除。系统的一维扩散散射具有多型性，应用有序无序理论可以很好地描述这种散射。主要的多型是单斜的，具有伪正交度量。它被一个斜方多型的碎片打断。使用结构因子计算来分析衍射强度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Order-disorder (OD) polytypism of K3FeTe2O8(OH)2(H2O)1+x.

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Order-disorder (OD) polytypism of K₃FeTe₂O₈(OH)₂(H₂O)_1+x.

K₃FeTe₂O₈(OH)₂(H₂O)₂ was synthesized under hydrothermal conditions from Te(OH)₆, FeSO₄·7H₂O and 85 wt% KOH in a 1:2:6 molar ratio. The crystal structure is built of a triperiodic network. One disordered water molecule per formula unit is located in a channel and can be partially removed by heating. Systematic one-dimensional diffuse scattering indicates a polytypic character, which is best described by application of the order-disorder theory. The major polytype is monoclinic with pseudo-orthorhombic metrics. It is interrupted by fragments of an orthorhombic polytype. The diffraction intensities are analyzed using structure factor calculations.

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来源期刊

Acta crystallographica Section B, Structural science, crystal engineering and materials CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

3.60

自引率

5.30%

发文量

期刊介绍： Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials publishes scientific articles related to the structural science of compounds and materials in the widest sense. Knowledge of the arrangements of atoms, including their temporal variations and dependencies on temperature and pressure, is often the key to understanding physical and chemical phenomena and is crucial for the design of new materials and supramolecular devices. Acta Crystallographica B is the forum for the publication of such contributions. Scientific developments based on experimental studies as well as those based on theoretical approaches, including crystal-structure prediction, structure-property relations and the use of databases of crystal structures, are published.