Structure and electrical conductivity of (BEDT-TTF)2HgCl(3) center dot TCE
Liu, Z; Fang, Q; Yu, WT; Chen, SH; Jiang, MH; Zhang, B; Zhang, JB; Zhu, DB
Source PublicationSYNTHETIC METALS
AbstractA new BEDT-TTF (BEDT-TTF = Bis(ethylenedithio)tetrathiafulvalene)-based cation radical salt (BEDT-TTF)(2)HgCl3. TCE (TCE = 1,1,2-trichloroethane) was synthesized by using oxidative electro-crystallization at a constant current. Its structure was determined by four-circle X-ray diffraction method. The crystal belongs to monoclinic system, C2 space group with the unit cell parameters of a = 39.236(5) Angstrom, b = 6.676(1) Angstrom, c = 14.881(3) Angstrom, beta = 95.5X(2)degrees, V= 3879.4(12) Angstrom(3), Z= 4. The structure shows that the BEDT-TTF radicals are stacked to form columns along the c-axis and arranged side-by-side to form one-dimensional uniform chains along the b-axis. The one-dimensional polymer (HgCl3)(n)(n-), together with neutral TCE molecules, is also along the b-axis. Cationic BEDT-TTF sheets and anionic HgCl3- sheets are sandwiched along the a-axis. The room temperature resistivity of the single crystal was measured to be 3.33 Omega . m on the be-plane. Its resistivity-temperature curve demonstrates a semiconductor behavior with an activation energy of 0.308 eV. (C) 2000 Elsevier Science S.A. All rights reserved.
KeywordBedt-ttf Salt Electro-crystallization Crystal Structure Conductivity
Indexed BySCI
WOS IDWOS:000089001500004
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Document Type期刊论文
Corresponding AuthorFang, Q
Affiliation1.Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
2.Shandong Univ, Dept Chem, Jinan 250100, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Liu, Z,Fang, Q,Yu, WT,et al. Structure and electrical conductivity of (BEDT-TTF)2HgCl(3) center dot TCE[J]. SYNTHETIC METALS,2000,114(3):243-250.
APA Liu, Z.,Fang, Q.,Yu, WT.,Chen, SH.,Jiang, MH.,...&Zhu, DB.(2000).Structure and electrical conductivity of (BEDT-TTF)2HgCl(3) center dot TCE.SYNTHETIC METALS,114(3),243-250.
MLA Liu, Z,et al."Structure and electrical conductivity of (BEDT-TTF)2HgCl(3) center dot TCE".SYNTHETIC METALS 114.3(2000):243-250.
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