The crystal structure of the charge-transfer complex of dibenzotetrathiafulvalene-tetracyanoquinodimethane, DBTTF-TCNQ.

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概要

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• The crystal of the charge-transfer complex of dibenzotetrathiafulvalene-7,7,8,8-tetracyanoquinodimethane, DBTTF–TCNQ, belongs to the triclinic system; <I>a</I>=10.309(8), <I>b</I>=8.281(2), <I>c</I>=7.727(3) Å, α=110.03(4), β=109.80(4), γ=72.05(3)°, space group P\bar1 with <I>Z</I>=1. The structure has been determined by the X-ray method. DBTTF and TGNQstack alternately along [011] to form mixed columns; this phenomenon is responsible for the low electrical conductivity of DBTTF–TCNQ. The intermolecular distance between DBTTF and TCNQ is 3.303 Å. The charge-transfer complexes of DBTTF with TNB, TCNE, DDQ,and fluoro-TCNQ, were examined by means of X-ray photographs. It is shown that the DDQ, complex, exhibiting a high conductivity, has segregated uniform columns of donors and acceptors, such as were not found in the other complexes.

• 公益社団法人 日本化学会の論文

著者

• Kobayashi Hayao

  Department Of Chemistry Faculty Of Science Toho University

• Nakayama Jyuzo

  Department of Chemistry, Faculty of Science, Saitama University

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