Multicomponent molecular conductors with supramolecular assemblies prepared from neutral iodine-bearing pBIB (p-bis(iodoethynyl)benzene) and derivatives

被引:16
作者
Kosaka, Yosuke
Yamamoto, Hiroshi M.
Nakao, Akiko
Kato, Reizo
机构
[1] Saitama Univ, Fac Sci, Dept Chem, Sakura Ku, Wako, Saitama 3388570, Japan
[2] RIKEN, Wako, Saitama 3510198, Japan
[3] JST CREST, Wako, Saitama 3510198, Japan
关键词
D O I
10.1246/bcsj.79.1148
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Organic conductors containing supramolecular assemblies have been obtained from the galvanostatic oxidation of donor molecules with iodine-bearing neutral molecules and halide anions. For the obtained single crystals, X-ray crystal structure analyses along with electrical and magnetic measurements were carried out. (ET)(3)Br(2,5-BIEP) (ET = bis-(ethylenedithio)tetrathiafulvalene; 2,5-BIEP = 2,5-bis(iodoethynyl)pyridine) is isostructural with the prototype compound (ET)(3)Br(pBIB) (pBIB = p-bis(iodoethynyi)benzene), whereas (MT)(4)X(DFBIB) (MT = bis(methylenedithio)tetrathiafulvalene; DFBIB = 1,4-difluoro-2,5-bis(iodoethynyl) benzene; X = Br and Cl) and (HMTSF)(4)Cl-3(pBIB)(3)(PhCl), (HMTSF = hexamethylenetetraselenafulvalene) differ considerably from (ET)(3)Br(pBIB) in structure and, consequently, physical properties. The (MT)4X(DFBIB) system exhibits a novel two-dimensional donor packing, and represents the first example of the charge ordering in molecular conductors containing supramolecular assemblies based on the halogen bond. (HMTSF)(4)Cl-3(pBIB)(3)(PhCl)(x) is characterized by isolated one-dimensional donor columns.
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页码:1148 / 1154
页数:7
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