New fluoride borate with 'anti-zeolite' structure: A possible link to Ba3(BO3)2

被引：15

作者：

Rashchenko, Sergey V. ^{[1
,2
]}

Bekker, Tatyana B. ^{[1
,2
,3
]}

Bakakin, Vladimir V. ^{[4
]}

Seryotkin, Yurii V. ^{[1
,2
]}

Simonova, Ekaterina A. ^{[1
]}

Goryainov, Sergey V. ^{[1
]}

机构：

[1] Sobolev Inst Geol & Mineral SB RAS, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Novosibirsk State Acad Architecture & Arts, Novosibirsk 630099, Russia

[4] Nikolaev Inst Inorgan Chem SB RAS, Novosibirsk 630090, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 694卷

基金：

俄罗斯基础研究基金会;

关键词：

Barium orthoborate; Solid solution; Channels; Anti-zeolite; Color centers; CRYSTAL-STRUCTURE; BARIUM TETRABORATE; TEMPERATURE FORM;

D O I：

10.1016/j.jallcom.2016.10.119

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Crystal growth and structure solution of new Ba-3(BO3)(2-x)F-3x solid solution with x = 0.2 (Pbam, a = 13.60119 angstrom, b = 13.65014 angstrom, c = 14.87279 angstrom) were performed. The solved structure demonstrate an unusual for borates feature - the presence of [Ba-12(BO3)(6)](6+) cation pattern with channels filled by disordered anions. We identify the same cation pattern also in two recently described LiBa12(BO3)(7)F-4 and NaBa12(BO3)(7)F-4 borates, where additional (LiF4)(3-) and (NaF4)(3-) anionic clusters are situated inside the channels as well. The unit cell metrics of the new solid solution fits well that reported for Ba-3(BO3)(2) compound, indicating that the latter may represent the orthoborate end -member of Ba-3(BO3)(2-x)F-3x. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1196 / 1200

页数：5

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