4,4'-(1,1,1,3,3,3-Hexafluoro-propane-2,2-diyl)dibenzoic acid

Acta Crystallogr Sect E Struct Rep Online. 2010 May 19;66(Pt 6):o1390. doi: 10.1107/S1600536810017745.

Abstract

In the title compound, C(17)H(10)F(6)O(4), the two benzene rings are twisted with respect to each other, making a dihedral angle of 67.43 (12)°. In the crystal, adjacent mol-ecules are linked by O-H⋯O and C-H⋯F hydrogen bonding, forming a wave-like layered supra-molecular structure.