Crystallographic Analysis and Structural Features of Honeycomb Cation Frameworks in Na2FePO4F, NaFePO4, and LiVOPO4 Structures

被引：1
|
作者：
Borisov, S. V. [1 ]
Pervukhina, N. V. [1 ]
Magarill, S. A. [1 ]
机构：
[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2023年 / 64卷 / 07期
关键词：
crystallographic analysis; pseudosymmetry; honeycomb cation frameworks; skeletal sublattices; RETICULAR CHEMISTRY; CRYSTAL-STRUCTURE; SYMMETRY; CATHODE; DESIGN; NETS; ALGORITHMS; STABILITY; SULFOSALT; SERIES;
D O I：
10.1134/S0022476623070120
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The crystallographic analysis of the structures of compounds Na2FePO4F (I), NaFePO4 (II), and LiVOPO4 (III) reveals that there are vacant channels in "honeycomb" constructions of their cation frameworks. In these structures, the stability is based on a sequence of embedded (according to the "matryoshka" principle) pseudosymmetry-related pseudo-hexagonal configurations. Ordering of cation positions creates their configuration approaching highly symmetrical sublattices that are close in geometry to face-centered (F-cube) and body-centered (I-cube) cubic sublattices. The equivalent positions are occupied by different atoms and vacancies.
引用
收藏
页码：1283 / 1295
页数：13
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