α-Na6Pb3(PS4)4, a noncentrosymmetric thiophosphate with the novel, saucer-shaped [Pb3(PS4)4]6- cluster, and its metastable, 3-dimensionally polymerized allotrope β-Na6Pb3(PS4)4

被引：15

作者：

Aitken, JA

Kanatzidis, MG ^{[1
]}

机构：

[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

[2] Michigan State Univ, Ctr Fundamental Mat Res, E Lansing, MI 48824 USA

来源：

INORGANIC CHEMISTRY | 2001年 / 40卷 / 13期

关键词：

D O I：

10.1021/ic015511g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Discovered in a molten polythiophosphate salt reaction, the compound α-Na6Pb3(PS4)4 is a salt containing the molecular cluster [Pb3(PS4)4].6- The C3v symmetry and the saucer shape of this cluster enable columnar stacking along the c-axis. Interestingly, fast cooling of a melt of the stoichiometric composition "Na6Pb3(PS4)4" results in the putative high-pressure from β-Na6Pb3(PS4)4 in which the molecular clusters have essentially polymerized through intercluster Pb-S bonding. β-Na6Pb3(PS4)4 converts slowly (depolymerizes) to the α-form upon annealing below the melting point.

引用

页码：2938 / 2939

页数：2

共 14 条

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