Abstract
The title compound, C9H7BrO2, displays a trans configuration with respect to the C=C double bond and is essentially planar [maximum deviation from the least-squares plane through all non-H atoms = 0.056 (4) Å]. The vinylaldehyde group adopts an extended conformation wih a C—C—C—C torsion angle of 179.7 (4)°. In the crystal, molecules are linked by classical O—H⋯O and weak C—H⋯O hydrogen bonds into a three-dimensional supramolecular network.
Highlights
Absorption correction: multi-scan (SADABS; Bruker, 2007)
The title compound, C9H7BrO2, displays a trans configuration with respect to the C C double bond and is essentially planar [maximum deviation from the least-squares plane through all non-H atoms = 0.056 (4) Å]
Supporting information for this paper is available from the IUCr electronic archives (Reference: GW2149)
Summary
Absorption correction: multi-scan (SADABS; Bruker, 2007) H-atom parameters constrained max = 0.48 e Å3 Absolute structure: Flack (1983)
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