Crystal Structure of New Zinc-Hydroxy-Sulfate-Hydrate Zn4(OH)6SO4<middle dot>2-2.25H2O

被引：0

作者：

Stanimirova, Tsveta ^{[1
]}

Nikolova, Rositsa ^{[2
]}

Petrova, Nadia ^{[2
]}

机构：

[1] Sofia Univ St Kliment Ohridski, Fac Geol & Geog, Dept Mineral Petrol & Econ Geol, 15 Tzar Osvoboditel Blvd, Sofia 1000, Bulgaria

[2] Bulgarian Acad Sci, Inst Mineral & Crystallog, 107 Acad G Bonchev Str, Sofia 1113, Bulgaria

来源：

CRYSTALS | 2024年 / 14卷 / 02期

关键词：

crystal structure; new Zn-hydroxy sulfate; mixed-layer structure; GORDAITE; MINE; NAMUWITE; EXCHANGE; PHASE; ZN;

D O I：

10.3390/cryst14020183

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A theoretical model of the crystal structure of the newly obtained compound Zn-4(OH)6SO4<middle dot>2- 2.25H(2)O based on the compilation of the crystal-chemical properties of two known zinc-hydroxy-sulfate phases-mineral namuwite and hemihydrate-is proposed. The single XRD data confirmed the model and determined the structure, with a trigonal symmetry SG of P-3, the unit cell with a = 8.3418(15) & Aring; and c = 17.595(7) & Aring;, and a cell volume of 1060.3(6) & Aring;(3), with Z = 2. The results show that the Zn-4(OH)(6)SO4<middle dot>2- 2.5H(2)O crystal structure consists of an alternating paired octahedral-tetrahedral doubly decorated hydroxide layer with cationic vacancies and an aqueous interlayer.

引用

页数：13

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