1:2 Complexes of chloranilic acid with pyrimidine and pyrazine

Hiroyuki Ishida, Setsuo Kashino

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41 Citations (Scopus)


The hydrogen-bonded 1:2 complexes of chloranilic acid (2,5-dichloro-3,6-dihydroxy-p-benzoquinone) with pyrimidine [(1), C6H2Cl2O4·2C 4H4N2] and pyrazine [(2), C6H2Cl2O4·2C 4H4N2] were prepared and their crystal structures determined at room temperature. In both complexes, the chloranilic acid molecules lie on inversion centres and in each complex, the two components are held together by O - H⋯N hydrogen bonds with short O⋯N distances of 2.615 (2) Å for (1) and 2.590 (4) Å for (2).

Original languageEnglish
Pages (from-to)1714-1717
Number of pages4
JournalActa Crystallographica Section C: Crystal Structure Communications
Issue number10
Publication statusPublished - Oct 15 1999

ASJC Scopus subject areas

  • General Biochemistry,Genetics and Molecular Biology


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