Phase formation in the Rb2MoO4-Li2MoO4-Hf(MoO4)2 system and the crystal structure of Rb5(Li1/3Hf5/3)(MoO4)6

被引：0

作者：

Solodovnikov, SF

Balsanova, LV

Bazarov, BG

Zolotova, ES

Bazarova, ZG

机构：

[1] Russian Acad Sci, Inst Inorgan Chem, Siberian Div, Novosibirsk 630090, Russia

[2] Buryat State Univ, Ulan Ude 670020, Buryat Republic, Russia

[3] Russian Acad Sci, Siberian Div, Baikal Inst Nat Management, Ulan Ude, Buryat Republic, Russia

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2003年 / 48卷 / 07期

关键词：

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three ternary molybdates have been found in the Rb2MoO4-Li2MoO4-Hf(MoO4)(2) system: Rb-5(Li1/3Hf5/3)(MoO4)(6) (S-1), Rb3LiHf2(MoO4)(6) (S-2), and RbLiHf(MoO4)(3) (S-3). The compositions of the first two molybdates have been confirmed by matching isostructural analogs. The structure of phase S, has been determined (a CAD4 diffractometer, 3532 reflections, a = 10.659(2) Angstrom, c = 38.241(8) Angstrom, Z = 6, space group R3c, R = 0.034). In structure S-1, Li and Hf atoms randomly occupy cation sites with octahedral coordination in the proportion 1 5, whereas Rb atoms are positioned in large voids of the tetrahedral-octahedral framework. Compound S-2 (a 5.805(1) Angstrom, c = 7.533(2) Angstrom, space group P (3) over bar m1, Z = 1) belongs to the KAl(MoO4)(2) structure type with random substitution of Li and Hf atoms for Al atoms in the proportion 1 : 2.

引用

页码：1084 / 1088

页数：5

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