Molecular hexagonal perovskite: a new type of organic–inorganic hybrid conductor

An organic charge-transfer (CT) salt (BEDT-TTF) 3(MnCl 3) 2(C 2H 5OH) 2 has been synthesized by a standard electrochemical method. The crystal data are monoclinic, C2/ c (#15), a=38.863(4) Å, b=6.716(1) Å, c=23.608(3) Å, β=115.007(3)°, V=5584(1) Å 3, and Z=4. The structure consists of one-dimensiona...

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Bibliographic Details
Published in:Journal of solid state chemistry 2003-11, Vol.176 (1), p.243-249
Main Authors: Naito, T, Inabe, T
Format: Article
Language:English
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Summary:An organic charge-transfer (CT) salt (BEDT-TTF) 3(MnCl 3) 2(C 2H 5OH) 2 has been synthesized by a standard electrochemical method. The crystal data are monoclinic, C2/ c (#15), a=38.863(4) Å, b=6.716(1) Å, c=23.608(3) Å, β=115.007(3)°, V=5584(1) Å 3, and Z=4. The structure consists of one-dimensional (1D) infinite {[MnCl 3] −} ∞ magnetic chains and two-dimensional (2D) organic conduction pathways. The former consists of face-sharing octahedra of manganese chloride complex ions, and dominates the magnetic properties of this compound. Such a feature of the crystal structure closely relates to transition metal hexagonal perovskite compounds, all of which are known for frustrated triangular lattices comprised of weakly interacting 1D magnetic chains. The new compound exhibits a high conductivity down to 4 K.
ISSN:0022-4596
1095-726X
DOI:10.1016/S0022-4596(03)00418-3