Issue 9, 2001
From the journal:

Journal of Materials Chemistry

Shuichi Sekizaki,*a   Chiyoko Tada,a   Hideki Yamochiab  and  Gunzi Saito*a  

* Corresponding authors

a Division of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, Japan
E-mail: sekizaki@kuchem.kyoto-u.ac.jp; saito@kuchem.kyoto-u.ac.jp

b CREST, Japan Science and Technology Corporation (JST)

Abstract

Eight cation radical salts of tetrathiotetracene (TTT) with a series of 2-alkoxytetracyanoallyl anions (RO-TCA−; R = Me, Et, Prn, Bun) were prepared by electrocrystallisation. All of them were non-magnetic semiconductors. Seven crystal structures were determined. The physical and structural aspects of the salts were well categorised by their stoichiometries of donor to anion, 3 ∶ 2, 1 ∶ 1 and 1 ∶ 2. The 1 ∶ 2 salts had alternating stacks of dication of TTT and anion molecules, which is uncommon for TTT salts. Molecular structures were also studied by PM3 and RHF/6-31G* calculations. One of the fascinating features of RO-TCAs is their structural flexibility, which gives rise to multiple stoichiometries with varied physical properties.

Graphical abstract: Structural aspects of a series of cation radical salts of tetrathiotetracene (TTT) with 2-alkoxy-1,1,3,3-tetracyanoallyl anions (RO-TCA−; R = Me, Et, Prn, Bun)

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Article information

DOI
https://doi.org/10.1039/B105340J
Article type
Paper
Submitted
14 Jun 2001
Accepted
19 Jun 2001
First published
31 Jul 2001

J. Mater. Chem., 2001,11, 2293-2302

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Structural aspects of a series of cation radical salts of tetrathiotetracene (TTT) with 2-alkoxy-1,1,3,3-tetracyanoallyl anions (RO-TCA−; R = Me, Et, Prn, Bun)

S. Sekizaki, C. Tada, H. Yamochi and G. Saito, J. Mater. Chem., 2001, 11, 2293 DOI: 10.1039/B105340J

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