Synthesis, Structure and Conductivity of Molecular Conductor (PyMe)[Ni(dmit)2]2

Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (6): 587-592. Previous Articles

分子导体(Py Me)[Ni(dmit)₂]₂的合成、结构与导电性

许文^1,2, 方奇^1,2, 薛刚¹, 于文涛¹, 刘国群¹, 雷虹³

1. 山东大学, 晶体材料国家重点实验室, 济南, 250100;
2. 山东大学, 化学与化工学院, 济南, 250100;
3. 山东大学信息科学与工程学院, 济南, 250100

投稿日期:2003-09-08 修回日期:2003-12-23 发布日期:2014-02-18
通讯作者: 方鍱-mail:fangqi@icm.sdu.edu.cn E-mail:fangqi@icm.sdu.edu.cn
基金资助:
国家自然科学基金(No.20172034)资助项目.

Synthesis, Structure and Conductivity of Molecular Conductor (PyMe)[Ni(dmit)₂]₂

XU Wen^1,2, FANG Qi^1,2, XUE Gang¹, YU Wen-Tao¹, LIU Guo-Qun¹, LEI Hong³

1. State Key Laboratory of Crystal Materials, Jinan 250100;
2. School of Chemistry and Chemical Engineering, Jinan 250100;
3. School of Information Science and Engineering, Shandong University, Jinan 250100

Received:2003-09-08 Revised:2003-12-23 Published:2014-02-18

Abstract

A new molecular conductor (PyMe)[Ni(dmit)₂]₂ (Py=pyridine, dmit=(C₃S₃) 2-=4,5-dimercapto-1,3-dithiole-2-thionato) has been synthesized and its structure determined by four-circle X-ray diffraction analysis. Crystallographic parameters for (PyMe)[Ni(dmit)₂]₂: triclinic system, P-1 space group; a=0.74837(9) nm, b=1.15479(16) nm, c=1.9775(3) nm, α=99.268(12)°, β=99.140(10)°, γ=99.673(11)°; V=1.6320(4) nm³, D_c=2.029 g/cm³, Z=2. Structure analysis reveals that four-fold [Ni(dmit)₂]^0.5- units stack to form columns along [-110] direction, and these columns further form 2-D conducting sheet by S…S intermolecular contacts. The conductivity on (001) plane is measured to be 10^-1～10^-4 Ω^-1·cm^-1. The relationship between conductivity and structure was discussed based on the structure parameters and intermolecular orbital overlap.

Key words: molecular conductor, synthesis, structure, conductivity

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XU Wen, FANG Qi, XUE Gang, YU Wen-Tao, LIU Guo-Qun, LEI Hong. Synthesis, Structure and Conductivity of Molecular Conductor (PyMe)[Ni(dmit)₂]₂[J]. Acta Chimica Sinica, 2004, 62(6): 587-592.

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分子导体(Py Me)[Ni(dmit)₂]₂的合成、结构与导电性

Synthesis, Structure and Conductivity of Molecular Conductor (PyMe)[Ni(dmit)₂]₂

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分子导体(Py Me)[Ni(dmit)2]2的合成、结构与导电性