New charge-transfer salts (ET)8(MnIIBr 4)2(DCE)2 and (ET)3Mn IIBr4: Preparations, structures and physical properties (ET = BEDT-TTF, DCE = 1,2-dichloroethane)

R. Kanehama; H. Miyasaka; K. Sugiura; M. Yamashita; H. Itou; S. Kuroda; H. Kishida; H. Okamoto

doi:10.1016/S0379-6779(02)00817-2

New charge-transfer salts (ET)₈(Mn^IIBr ₄)₂(DCE)₂ and (ET)₃Mn ^IIBr₄: Preparations, structures and physical properties (ET = BEDT-TTF, DCE = 1,2-dichloroethane)

R. Kanehama, H. Miyasaka, K. Sugiura, M. Yamashita, H. Itou, S. Kuroda, H. Kishida, H. Okamoto

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

4 Citations (Scopus)

Abstract

New charge-transfer salts (ET)₈(MnBr₄) ₂(DCE)₂ 1 and (ET)₃MnBr₄ 2 have been synthesized electrochemically and characterized. In both compounds the magnetic MnBr₄^2- onions exist separately between the conducting ET-layers. The shortest intermolecular Mn⋯Mn distances are 7.28 and 10.12Å, respectively, which are too far to magnetically interact directly. But magnetic susceptibility measurements demonstrated that the antiferromagnetic interactions was observed at low temperature. This aniferromagnetic interactions between Mn ions may be operative via the π-electrons of conducting layers, that are so-called d-π interactions. The crystal structures and physical properties of these compounds are reported.

Original language	English
Pages (from-to)	633-634
Number of pages	2
Journal	Synthetic Metals
Volume	135-136
DOIs	https://doi.org/10.1016/S0379-6779(02)00817-2
Publication status	Published - 2003 Apr 4
Externally published	Yes

Keywords

Electrocrystallization
Magnetic measurements
Organic conductors based on radical cation and/or anion salts

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/S0379-6779(02)00817-2

Cite this

New charge-transfer salts (ET)₈(Mn^IIBr ₄)₂(DCE)₂ and (ET)₃Mn ^IIBr₄ : Preparations, structures and physical properties (ET = BEDT-TTF, DCE = 1,2-dichloroethane). / Kanehama, R.; Miyasaka, H.; Sugiura, K.; Yamashita, M.; Itou, H.; Kuroda, S.; Kishida, H.; Okamoto, H.

In: Synthetic Metals, Vol. 135-136, 04.04.2003, p. 633-634.

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

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title = "New charge-transfer salts (ET)8(MnIIBr 4)2(DCE)2 and (ET)3Mn IIBr4: Preparations, structures and physical properties (ET = BEDT-TTF, DCE = 1,2-dichloroethane)",

abstract = "New charge-transfer salts (ET)8(MnBr4) 2(DCE)2 1 and (ET)3MnBr4 2 have been synthesized electrochemically and characterized. In both compounds the magnetic MnBr42- onions exist separately between the conducting ET-layers. The shortest intermolecular Mn⋯Mn distances are 7.28 and 10.12{\AA}, respectively, which are too far to magnetically interact directly. But magnetic susceptibility measurements demonstrated that the antiferromagnetic interactions was observed at low temperature. This aniferromagnetic interactions between Mn ions may be operative via the π-electrons of conducting layers, that are so-called d-π interactions. The crystal structures and physical properties of these compounds are reported.",

keywords = "Electrocrystallization, Magnetic measurements, Organic conductors based on radical cation and/or anion salts",

author = "R. Kanehama and H. Miyasaka and K. Sugiura and M. Yamashita and H. Itou and S. Kuroda and H. Kishida and H. Okamoto",

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T1 - New charge-transfer salts (ET)8(MnIIBr 4)2(DCE)2 and (ET)3Mn IIBr4

T2 - Preparations, structures and physical properties (ET = BEDT-TTF, DCE = 1,2-dichloroethane)

AU - Kanehama, R.

AU - Miyasaka, H.

AU - Sugiura, K.

AU - Yamashita, M.

AU - Itou, H.

AU - Kuroda, S.

AU - Kishida, H.

AU - Okamoto, H.

PY - 2003/4/4

Y1 - 2003/4/4

N2 - New charge-transfer salts (ET)8(MnBr4) 2(DCE)2 1 and (ET)3MnBr4 2 have been synthesized electrochemically and characterized. In both compounds the magnetic MnBr42- onions exist separately between the conducting ET-layers. The shortest intermolecular Mn⋯Mn distances are 7.28 and 10.12Å, respectively, which are too far to magnetically interact directly. But magnetic susceptibility measurements demonstrated that the antiferromagnetic interactions was observed at low temperature. This aniferromagnetic interactions between Mn ions may be operative via the π-electrons of conducting layers, that are so-called d-π interactions. The crystal structures and physical properties of these compounds are reported.

AB - New charge-transfer salts (ET)8(MnBr4) 2(DCE)2 1 and (ET)3MnBr4 2 have been synthesized electrochemically and characterized. In both compounds the magnetic MnBr42- onions exist separately between the conducting ET-layers. The shortest intermolecular Mn⋯Mn distances are 7.28 and 10.12Å, respectively, which are too far to magnetically interact directly. But magnetic susceptibility measurements demonstrated that the antiferromagnetic interactions was observed at low temperature. This aniferromagnetic interactions between Mn ions may be operative via the π-electrons of conducting layers, that are so-called d-π interactions. The crystal structures and physical properties of these compounds are reported.

KW - Electrocrystallization

KW - Magnetic measurements

KW - Organic conductors based on radical cation and/or anion salts

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