TY - JOUR
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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U2 - 10.1016/S0379-6779(02)00817-2
DO - 10.1016/S0379-6779(02)00817-2
M3 - Article
AN - SCOPUS:9744265916
SN - 0379-6779
VL - 135-136
SP - 633
EP - 634
JO - Synthetic Metals
JF - Synthetic Metals
ER -