Acta Cryst. (2005). E61, o3730-o3732  [ doi:10.1107/S1600536805033040 ]

Elaidic acid (trans-9-octadecenoic acid)

J. N. Low, C. Scrimgeour and P. Horton

Abstract: Elaidic acid, C₁₈H₃₄O₂, has an essentially linear alkyl chain. The double bond is twisted across the mean direction of the alkyl chain in a skew', trans, skew conformation. In the crystal structure, the molecules form centrosymmetric O-HO hydrogen-bonded dimers (OO = 2.684 Å).

Online 19 October 2005

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