4,7-Bis(4-pyridylethynyl)-2,1,3-benzo-thiadiazole and its dipyridinium diperchlorate

被引：3

作者：

Akhtaruzzaman, M

Tomura, M ^{[1
]}

Yamashita, Y

机构：

[1] Inst Mol Sci, Okazaki, Aichi 4448585, Japan

[2] Grad Univ Adv Studies, Dept Struct Mol Sci, Okazaki, Aichi 4448585, Japan

[3] Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2001年 / 57卷 / 06期

关键词：

D O I：

10.1107/S0108270101004802

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The title compound, C20H10N4S, and its dipyridinium salt, 4,4'(2,1,3-benzodiazol-4,7-diyldiethynyl)dipyridinium diperchlorate, C20H12N4S2+. 2ClO4-, display bond alternation in the 2,1,3-benzothiadiazole rings, which suggests their quinonoid character. The dipyridinium dication molecules stack along the a axis and form a dimer with short S . . .N interheteroatom contacts [3.146 (4) A E] between the two 1,2,5-thiadiazole rings. The dimer is surrounded by the perchlorate anions with which it forms a large number of intermolecular N-H greater than or equal to O greater than or equal to andCD H greater than or equal to < not greater than not greater thanO hydrogen bonds.

引用

页码：751 / 753

页数：3

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