The relative stereochemistries of the two title compounds, ethoxy-2-me
thylenecyclopropyl)-cyclohexanemethanol (2b), C12H20O2, and -methyl-2-
methylenecyclopropyl)cyclohexanemethanol (3a), C12H20O, have been esta
blished. Each structure has a different mode of hydrogen bonding; comp
ound (2b) forms infinite chains [O ... O 2.862(3) Angstrom], while com
pound (3a) forms centrosymmetric tetramers [O ... O 2.782(4) and 2.835
(4) Angstrom].