Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

organic compounds

bg2504 scheme

Acta Cryst. (2013). E69, o897    [ doi:10.1107/S1600536813011410 ]

5-Methyl-3-phenylisoxazole-4-carboxylic acid

Chandra, N. Srikantamurthy, G. J. Vishalakshi, S. Jeyaseelan, K. B. Umesha and M. Mahendra

Abstract: In the title compound, C11H9NO3, the phenyl and isoxazole rings form a dihedral angle of 56.64 (8)°. The carboxy group is almost in the same plane as the isoxazole ring with a C-C-C-O torsion angle of -3.3 (2)°. In the crystal, pairs of O-H...O hydrogen bonds link the molecules into head-to-head dimers. C-H...N hydrogen bonds and [pi]-[pi] stacking interactions between phenyl rings [centroid-centroid distance = 3.9614 (17)Å] link the dimers into a three-dimensional network.

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