K3(U3O6)(Si2O7) and Rb3(U3O6)(Ge2O7):: A pentavalent-uranium silicate and germanate

被引：58

作者：

Lin, Chia-Hui ^{[1
]}

Chen, Chih-Shan ^{[1
]}

Shiryaev, A. A. ^{[2
]}

Zubavichus, Ya. V. ^{[3
]}

Lii, Kwang-Hwa ^{[1
,4
]}

机构：

[1] Natl Cent Univ, Dept Chem, Chungli 32054, Taiwan

[2] RAS, Inst Crystallog, Moscow 117901, Russia

[3] RRC Kurchatov Inst, Moscow, Russia

[4] Acad Sinica, Inst Chem, Taipei, Taiwan

来源：

INORGANIC CHEMISTRY | 2008年 / 47卷 / 11期

关键词：

D O I：

10.1021/ic800300v

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new uranium(V) silicate, K-3(U3O6)(Si2O7), and the germanate analogue, Rb-3(U3O6)(Ge2O7), have been synthesized under high-temperature, high-pressure hydrothermal conditions and characterized by single-crystal X-ray diffraction. Their structures contain uranate columns formed of triple octahedral chains of the alpha-UF5 type linked by disilicate (or digermanate) units to form a 3-D framework structure. The valence state of uranium is confirmed by X-ray photoelectron spectroscopy, X-ray absorption spectroscopy, and magnetic susceptibility.

引用

页码：4445 / 4447

页数：3

共 25 条

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