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Paper | Regular issue | Vol 83, No. 9, 2011, pp.2115-2126
Published online, 13th July, 2011
DOI: 10.3987/COM-11-12277
Synthesis and Properties of a New Donor-Acceptor Diad Composed of DT-TTF and Dicyanomethylidene Group

Ken-ichi Nakamura, Takashi Shirahata, Hisakazu Miyamoto, and Yohji Misaki*

*Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime, Japan

Abstract

Several derivatives of a new donor-acceptor diad 1 composed of DT-TTF and dicyanomethylidene group were synthesized. The IR spectra of 1 demonstrated considerable contribution of a polarized structure. Electronic spectra and molecular orbital calculation suggested that the absorption maximum of 1 was due to NHOMO-LUMO transition. Cyclic voltammetry revealed that the compound 1 exhibited three-stage of oxidation and one-stage of reduction processes. The bis(methylthio)-substitudted derivative 1a exhibited conductivity of 10-6 S cm-1 in spite of a single-component material.