Crystal structure and dynamics of water molecules and fluoride ions in NaKSbF5•1.5H2O and NaRbSbF5•1.5H2O

被引：1

作者：

Gerasimenko, AV ^{[1
]}

Kavun, VY ^{[1
]}

Sergienko, VI ^{[1
]}

Popov, DY ^{[1
]}

Zemnukhova, LA ^{[1
]}

Davidovich, RL ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Chem, Far E Branch, Vladivostok 690022, Russia

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2002年 / 43卷 / 03期

关键词：

D O I：

10.1023/A:1020385015515

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The atomic structures of crystal hydrates were determined at 173 and 293 K for NaKSbF5.1.5H(2)O (I) and at 293 K for NaRbSbF5 .1.5H(2)O (II). Crystals I and II are isostructural, space group P2(1)/m. The dynamics of water molecules and complex ions was investigated by NMR in the range 170-440 K. The existence of a phase transition of order-disorder type in compounds I and II was established. A mechanism leading to the diffusion motion of fluoride ions in II is suggested, and dehydration of the compounds is considered.

引用

页码：436 / 444

页数：9

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