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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The Preparation and Crystal Structure of 2-Phenoxypropenoic Acid

M Campbell, MJ Mcleish, DE Lynch, G Smith, KA Byriel and CHI Kennard

Australian Journal of Chemistry 45(12) 2061 - 2066
Published: 1992

Abstract

The potential herbicide 2-phenoxypropenoic acid has been synthesized, and its structure has been determined by X-ray methods and refined to a residual R 0.068 for 564 observed reflections. Crystals are orthorhombic, space group Pbca with Z 8 in a cell of dimensions a 5.6547(9), b 9.263(2), c 31.76(1) Å . The carboxylic acid groups form centrosymmetric hydrogen-bonded cyclic dimers [O…O 2.62(1) Å ], while the oxypropenoic acid side chain is essentially planar but inclined to the plane of the benzene ring [dihedral angle 71.5(7)°].

https://doi.org/10.1071/CH9922061

© CSIRO 1992

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