Abstract
In the title compound, C21H14O8, the central benzene ring makes dihedral angles of 77.8 (6) and 75.9 (5)° with the outer benzene rings. In the crystal, molecules are linked by O—H⋯O hydrogen bonds involving carboxyl groups, forming one-dimensional ladders. Two-dimensional layers are formed by interpenetration of these one-dimensional ladders.
Highlights
Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, People’s Republic of China
Two-dimensional layers are formed by interpenetration of these one-dimensional ladders
Strong intermolecular O—H···O hydrogen bonds are formed between the carboxylic acid groups of neighboring molecules (Table 1), which link the molecules to one-dimensional supra-molecular ladder (Fig. 2)
Summary
Refinement a Second Department of Neurosurgery, Bethune Third Hospital Hospital), Jilin University, People’s Republic of China, bRadiological Department, Tumor Hospital of Jilin Province, People’s Republic of China, and cState Key. Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, People’s Republic of China. R factor = 0.046; wR factor = 0.121; data-to-parameter ratio = 15.5. C21H14O8, the central benzene ring makes dihedral angles of 77.8 (6) and 75.9 (5) with the outer benzene rings. H O hydrogen bonds involving carboxyl groups, forming one-dimensional ladders. Two-dimensional layers are formed by interpenetration of these one-dimensional ladders
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