cis-8-Methylbicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic Acid at 293K

The molecules of the title compound are associated as dimers by hydrogen bonds H(1)-O(2)'. Additional characteristic atom distances of the dimer: O(1)-O(2)' 2.650 (3) (intermolecular), H(1)-O(2)' 1.74 (intermolecular), O(1)-H(1) 0.91, C(10)-O(2) 1.225 (4) and C(10)-O(1) 1.293 (3) Å. The C(10)-O(2) bond distance is slightly longer than the standard distance range for such dimers of 1.205 to 1.215 Å whereas the C(10)-O(1) bond distance is slightly shorter than the standard distance of 1.308 Å.

-1