Phase transitions in [κ-(ET 4N)ET 4M(CN) 6, 3 H 2O; M = Fe III, Co III, Cr III]

We report the preparation, structural and physical investigations of BEDT-TTF (ET) salts formulated κ-[Et 4N](ET) 4M(CN) 6, 3 H 2O (M = Fe III, Co III, Cr III). These κ-phases show two phase transitions at 240 K and 150 K. The first structural transition, at 240 K, is followed by a redistribution of...

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Bibliographic Details
Published in:Synthetic metals 1997-02, Vol.86 (1), p.1859-1860
Main Authors: Le Maguerès, P., Ouahab, L., Briard, P., Even, J., Bertault, M., Toupet, L., Rámos, J., Gómez-García, C.J., Delhaès, P., Mallah, T.
Format: Article
Language:English
Subjects:
BEDT-TTF derivatives
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Crystallographic aspects of phase transformations
pressure effects
Exact sciences and technology
Heterocyclic compounds
Organic compounds
Phase transitions
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:We report the preparation, structural and physical investigations of BEDT-TTF (ET) salts formulated κ-[Et 4N](ET) 4M(CN) 6, 3 H 2O (M = Fe III, Co III, Cr III). These κ-phases show two phase transitions at 240 K and 150 K. The first structural transition, at 240 K, is followed by a redistribution of the charges on the ET molecules and the magnetic and electrical properties are explained on the basis of this phenomenon.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(97)80939-3