Syntheses and crystal structures of the compounds In3.7Mo15S19, In1.6Rb2Mo15S19, In2.2CSMo15S19, and ScTl2Mo15S19 containing Mo6 and Mo9 clusters

被引：6
|
作者：
Salloum, D [1 ]
Gougeon, P [1 ]
Roisnel, T [1 ]
Potel, M [1 ]
机构：
[1] Univ Rennes 1, Inst Chim Rennes, Chim Solide & Inorgan Mol Lab, UMR CNRS 6511, F-35042 Rennes, France
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2004年 / 383卷 / 1-2期
关键词：
clsusters; indium molybdenum sulfide; crystal structure; x-ray diffraction; anharmonicity;
D O I：
10.1016/j.jallcom.2004.04.008
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The new compounds In3.7Mo15S19, In1.6Rb2Mo15S19, In2.2CsMo15S19, and ScTl2Mo15S19 have been synthesized by solid-state reaction in sealed molybdenum crucible at about 1250 degreesC. Their crystal structures were solved and refined from X-ray single-crystal data in the hexagonal space group P63/m. Their Mo-S framework consists of an equal mixture of Mo6S8S6 and Mo9S11S6 cluster units interconnected through Mo-S bonds. In In3.7Mo15S19, the In atoms occupy crystallographically different positions depending on their formal oxidation states of +1 or +3. This was confirmed by replacing partially or totally the monovalent indium by another monovalent cation such as the rubidium, cesium or thallium and the trivalent indium by the scandium to get the new In1.6Rb2Mo15S19, In2.2CsMo15S19, and ScTl2Mo15S19 compounds, respectively. (C) 2004 Elsevier B.V. All rights reserved.
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页码：57 / 62
页数：6
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