STRUCTURAL PHASE-TRANSITIONS IN ZINC(II) PERCHLORATE HEXAHYDRATE

被引：1
|
作者：
BORZECKAPROKOP, B
HODOROWICZ, SA
机构：
[1] Faculty of Chemistry, Kraków, PL‐30–060
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 1995年 / 30卷 / 05期
关键词：
D O I：
10.1002/crat.2170300506
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Phase transitions in zinc perchlorate hexahydrate are studied by X-ray powder diffraction method. Structural changes in the vicinity of transitions detected at 364.5 K and 256.3 K are characterized. At the former the orthorhombic Pmn2(1) phase transforms into the Pmna one (a = 7.812(1), b = 13.518(3) and c = 5.279(1) Angstrom at 348.6 K). The latter involves changes of the orthorhombic unit cell (a = 7.7922(9), b = 13.537(2) and c = 5.0588(6) Angstrom, at 251.0 K). Temperature dependence of lattice parameters in the range of 180 to 363.3 K are presented.
引用
收藏
页码：613 / 620
页数：8
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