Crystal structure of an ionic charge-transfer complex of DAP-F4TCNQ (DAP=1,6-diaminopyrene, F4TCNQ=2,3,5,6-tetrafluoro-7,7,8,8-tetracyano-p-quinodimethane)

被引:1
|
作者
Matsushima, K [1 ]
Ogaki, M [1 ]
Naito, T [1 ]
Inabe, T [1 ]
机构
[1] Hokkaido Univ, Div Chem, Grad Sch Sci, Sapporo, Hokkaido 0600810, Japan
关键词
D O I
10.1246/bcsj.73.2231
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A charge-transfer complex of DAP with F(4)TCNQ has been obtained by electrochemical reduction of F4TCNQ in acetonitrile in the presence of DAP . BF4. The crystal comprises segregated one-dimensional columns of donors and accepters with CH3CN as the crystal solvent. The molecular geometry and infrared spectrum show that the donor and acceptor components are completely ionized. These features are the same as those found in DAP.TCNQ. However, a marked difference lies in the column structure; both the DAP and F4TCNQ columns are composed of the dimerized units, while they are uniform in DAP.TCNQ. The difference can be accounted by the increase of the transfer energy in DAP .F(4)TCNQ . CH3CN compared with DAP.TCNQ.
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页码:2231 / 2235
页数:5
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