Positional order and disorder of symmetric and unsymmetric BEDT-STF salts

H. Mori; H. Suzuki; T. Okano; H. Moriyama; Y. Nishio; K. Kajita; M. Kodani; K. Takimiya; T. Otsubo

doi:10.1006/jssc.2002.9760

Positional order and disorder of symmetric and unsymmetric BEDT-STF salts

H. Mori, H. Suzuki, T. Okano, H. Moriyama, Y. Nishio, K. Kajita, M. Kodani, K. Takimiya, T. Otsubo

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The symmetric (s-) and unsymmetric (us-) BEDT-STF (=bis(ethylenedithio)diselenadithia-fulvalene) salts were prepared, and their crystal structures and electrical resistivities were investigated. Four us-BEDT-STF salts have the positional disorder of the Se atoms in the STF framework in crystals, whereas three s-BEDT-STF salts have no disorder. When κ-(us-BEDT-STF)₂GaCl₄ and κ-(cis-s-BEDT-STF)₂GaCl₄ are compared, the latter without the positional disorder of the Se atoms is more conductive than the former one with the disorder.

Original language	English
Pages (from-to)	626-631
Number of pages	6
Journal	Journal of Solid State Chemistry
Volume	168
Issue number	2
DOIs	https://doi.org/10.1006/jssc.2002.9760
Publication status	Published - 2002 Nov 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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abstract = "The symmetric (s-) and unsymmetric (us-) BEDT-STF (=bis(ethylenedithio)diselenadithia-fulvalene) salts were prepared, and their crystal structures and electrical resistivities were investigated. Four us-BEDT-STF salts have the positional disorder of the Se atoms in the STF framework in crystals, whereas three s-BEDT-STF salts have no disorder. When κ-(us-BEDT-STF)2GaCl4 and κ-(cis-s-BEDT-STF)2GaCl4 are compared, the latter without the positional disorder of the Se atoms is more conductive than the former one with the disorder.",

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T1 - Positional order and disorder of symmetric and unsymmetric BEDT-STF salts

AU - Mori, H.

AU - Suzuki, H.

AU - Okano, T.

AU - Moriyama, H.

AU - Nishio, Y.

AU - Kajita, K.

AU - Kodani, M.

AU - Takimiya, K.

AU - Otsubo, T.

PY - 2002/11/1

Y1 - 2002/11/1

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AB - The symmetric (s-) and unsymmetric (us-) BEDT-STF (=bis(ethylenedithio)diselenadithia-fulvalene) salts were prepared, and their crystal structures and electrical resistivities were investigated. Four us-BEDT-STF salts have the positional disorder of the Se atoms in the STF framework in crystals, whereas three s-BEDT-STF salts have no disorder. When κ-(us-BEDT-STF)2GaCl4 and κ-(cis-s-BEDT-STF)2GaCl4 are compared, the latter without the positional disorder of the Se atoms is more conductive than the former one with the disorder.

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