Abstract
Crystal growth of 2-(3,4,5-triphen-ylphen-yl)acetic acid (1) from aceto-nitrile yields a monosolvate, C26H20O2·CH3CN, of the space group P1. In the crystal, the title mol-ecule adopts a conformation in which the three phenyl rings are arranged in a paddlewheel-like fashion around the central arene ring and the carboxyl residue is oriented nearly perpendicular to the plane of this benzene ring. Inversion-symmetric dimers of O-H⋯O-bonded mol-ecules of 1 represent the basic supra-molecular entities of the crystal structure. These dimeric mol-ecular units are further linked by C-H⋯O=C bonds to form one-dimensional supra-molecular aggregates running along the crystallographic [111] direction. Weak Car-yl-H⋯N inter-actions occur between the mol-ecules of 1 and aceto-nitrile.
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