Abstract The 2', 2'-dimethoxybibenzyl molecule, C16H1802, has the midpoint of the--CH2-- CH2--bond on an inver-sion centre. Each benzene ring deviates slightly from pla-narity, shows marked angular distortion and is inclined at 81.5 (1) to the plane of the C (Ar)--CH2-- CH2--moiety.
