R factor = 0.071; wR factor = 0.164; data-to-parameter ratio = 17.3. In the crystal structure of the title compound, 2C8H6O4-3C20H22N4, there are three independent 2,20-dimethyl-1,10-(butane-1,4-diyl)dibenzimidazole molecules, each of which lies on an inversion centre. The terephthalic acid molecules are linked to adjacent 2,20-dimethyl-1,10-(butane-1,4-di yl)dibenzimidazole molecules via O—H N hydrogen bonds. Related literatur
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