AN ADAMANTANE-LIKE [GE4TE10]4- ANION - SYNTHESIS AND SINGLE-CRYSTAL STRUCTURE DETERMINATION OF (ET4N)4[GE4TE10]

被引:15
作者
DHINGRA, SS [1 ]
HAUSHALTER, RC [1 ]
机构
[1] NEC CORP LTD,RES INST,4 INDEPENDENCE WAY,PRINCETON,NJ 08540
关键词
D O I
10.1016/S0277-5387(00)83436-1
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The extraction of the alloy of composition K4Ge4Te10 in ethylenediamine (en) in the presence of Et4NBr afforded black cubic crystals of (Et4N)4[Ge4Te10], 1, in 72% yield. The X-ray diffraction data revealed two crystallographically independent [Ge4Te10]4-clusters each having approximate 43mBAR point symmetry. The Ge4+ based tetrahedra share three corners to form an adamantane-like (Ge4Te6) unit with the fourth site occupied by a terminal Te2- ligand.
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页码:2775 / 2779
页数:5
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