Self-assembly of conducting cocrystals via iodine ... π(Cp) interactions

被引：21
|
作者：
Torubaev, Yury V. [1 ]
Lyssenko, Konstantin A. [2 ]
Barzilovich, Petro Y. [3 ]
Saratov, George A. [3 ]
Shaikh, Mobin M. [4 ]
Singh, Ajeet [4 ]
Mathur, Pradeep [4 ]
机构：
[1] Russian Acad Sci, NS Kurnakov Inst Gen & Inorgan Chem, Moscow, Russia
[2] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow, Russia
[3] Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia
[4] Indian Inst Technol Indore, Sch Basic Sci, Indore, Madhya Pradesh, India
来源：
CRYSTENGCOMM | 2017年 / 19卷 / 34期
基金：
俄罗斯基础研究基金会;
关键词：
HALOGEN-BOND DONORS; SUPRAMOLECULAR MATERIALS; M-X; COMPLEXES; CHEMISTRY; HYDROGEN; FEATURES;
D O I：
10.1039/c7ce00857k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Conducting crystals of alternating ferrocene and diiodoacetylene units assembled into supramolecular 1-D chains via I ... pi(Cp) halogen bonds were prepared and structurally characterized. Their structure and conductivity were compared with the ferrocene cocrystals with phenyliodoacetylene (C6H5C2I) and 1,4-di(ethynyliodo) phenylene. Electrical conductivity measurements of the ferrocene-based cocrystals revealed comparatively high electron-hole type conductivity in the ferrocene (FcH)-diiodoacetylene (C2I2) pair, a 3-order decrease in combination with the 1,4-di(ethynyliodo) phenylene linker, and it is virtually extinguished with the monotopic 1,2-phenyliodoacetylene. The increased electric conductivity of compound 1 is rationalized in terms of a weak charge transfer through the I ... pi Cp halogen bonds in the [Cp-Fe-Cp ... I-C C-I ...](n) polymeric chains.
引用
收藏
页码：5114 / 5121
页数：8
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