Transformation of the structure in a series of mixed K2Ni x Co1-x (SO4)2 • 6H2O single crystals

被引：14

作者：

Vasil'eva, N. A. ^{[1
]}

Sorokina, N. I. ^{[1
]}

Antipin, A. M. ^{[1
]}

Verin, I. A. ^{[1
]}

Voloshin, A. E. ^{[1
]}

机构：

[1] Russian Acad Sci, Shubnikov Inst Crystallog, Moscow 119333, Russia

来源：

JETP LETTERS | 2015年 / 102卷 / 07期

基金：

俄罗斯科学基金会;

关键词：

NICKEL SULFATE HEXAHYDRATE; GROWTH; SPECTRA; FILTERS;

D O I：

10.1134/S0021364015190169

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The structure of crystals of solid solutions K2Ni (x) Co1-x (SO4)(2) center dot 6H(2)O has been studied. The substitution of nickel atoms for cobalt atoms in the K2Co(SO4)(2) center dot 6H(2)O structure leads to a decrease in all interatomic distances (Co,Ni)-O. However, the decrease in one of them with the increase in the Ni concentration is smaller than that in the other two. As a consequence, CoO6 octahedra are more distorted than NiO6. Syntheses of the difference electron density show that the structures of crystals of solid solutions K2Co(SO4)(2) center dot 6H(2)O contain more uninterpreted peaks of the residual electron density than the K2Ni(SO4)(2) center dot 6H(2)O structure, indicating a change in the character of the hydrogen bond.

引用

页码：448 / 451

页数：4

共 50 条

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[2] Elemental analysis of mixed K2Ni x Co1-x (SO4)2 a™ 6H2O crystals
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[4] Transformation of the structure in a series of mixed K2NixCo1–x(SO4)2 · 6H2O single crystals
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