Structures and conductivities of isostructural synthetic metals (DOET)4[Hg2Cl6] and (DOET)4[Hg2Br6]

被引：0
|
作者：
O. A. D"yachenko
A. A. Bardin
A. I. Kotov
G. V. Shilov
V. V. Gritsenko
L. I. Buravov
M. Mizuno
机构：
[1] Russian Academy of Sciences,Institute of Problems of Chemical Physics
[2] National Institute of Advanced Industrial Science and Technology,undefined
来源：
Russian Chemical Bulletin | 2003年 / 52卷
关键词：
organic metals; DOET; mercury halides; intermolecular contacts; packing mode;
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摘要：
The structures of organic metals (DOET)4[Hg2Cl6] (1) and (DOET)4[Hg2Br6] (2), where DOET is (1,4-dioxanediyl-2,3-dithio)ethylenedithiotetrathiafulvalene, were established by X-ray diffraction analysis. Compounds 1 and 2 are isostructural, and their crystals have layered structures. The conducting layers formed by the stacked DOET1/2+ cations alternate with the layers of the [Hg2X6]2– anions (X = Cl, Br). The temperature dependence of the conductivity of salt 1 shows a metallic character in the range of 300—4 K. Compound 2 undergoes the metal—semiconductor phase transition (TM—I) at 100 K.
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页码：375 / 379
页数：4
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