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Crystal structure of (E)-pent-2-enoic acid.

Research paper by Tim T Peppel, Marcel M Sonneck, Anke A Spannenberg, Sebastian S Wohlrab

Indexed on: 23 May '15Published on: 23 May '15Published in: Acta crystallographica. Section E, Crystallographic communications



Abstract

The mol-ecule of the title compound, C5H8O2, a low-melting α,β-unsaturated carb-oxy-lic acid, is essentially planar [maximum displacement = 0.0239 (13) Å]. In the crystal, mol-ecules are linked into centrosymmetric dimers via pairs of O-H⋯O hydrogen bonds.