Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)rhodateElectronic supplementary information (ESI) available. CCDC 1536898-1536901 for I-IV. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7dt00881c

This article reports a family of new radical-cation salts of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) with tris(oxalato)rhodate: three salts with the formula β′′-(BEDT-TTF) 4 [(cation)Rh(C 2 O 4 ) 3 ]·solvent (solvent = fluorobenzene, chlorobenzene, or bromobenzene) and one with the formula...

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Main Authors: Martin, Lee, Morritt, Alexander L, Lopez, Jordan R, Nakazawa, Yasuhiro, Akutsu, Hiroki, Imajo, Shusaku, Ihara, Yoshihiko, Zhang, Bin, Zhang, Yan, Guo, Yanjun
Format: Article
Language:English
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Summary:This article reports a family of new radical-cation salts of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) with tris(oxalato)rhodate: three salts with the formula β′′-(BEDT-TTF) 4 [(cation)Rh(C 2 O 4 ) 3 ]·solvent (solvent = fluorobenzene, chlorobenzene, or bromobenzene) and one with the formula pseudo-κ-(BEDT-TTF) 4 [(NH 4 )Rh(C 2 O 4 ) 3 ]·benzonitrile. We report here the syntheses, crystal structures, electrical properties and Raman spectroscopy of these new molecular conductors. The bromobenzene salt shows a decrease in resistivity below 2.5 K indicative of a superconducting transition and a Shubnikov-de Haas oscillation with a frequency of 232 T and effective mass m * of 1.27 m e . A series of molecular conductors from BEDT-TTF with tris(oxalato)rhodate.
ISSN:1477-9226
1477-9234
DOI:10.1039/c7dt00881c