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Acta Cryst. (2014). E70, o24  [ doi:10.1107/S1600536813032613 ]


V. Selvarani, M. A. Neelakantan, T. Srinivasan and D. Velmurugan

Abstract: In the title compound, C11H10O3, there is an intra­molecular O-H...O hydrogen bond generating an S(6) ring motif. The O atom of the hy­droxy group deviates by 0.0200 (1) Å from the benzene ring to which it is attached. The propyne group is almost linear, the C-C[triple bond]C angle being 177.83 (15)°, and is almost coplanar with the benzene ring; the C-C-O-C torsion angle being only -1.1 (2)°. In the crystal, mol­ecules are linked via C-H...O hydrogen bonds, forming infinite C(11) chains running parallel to [103]. These chains are linked by a pair of C-H...O hydrogen bonds, enclosing R22(8) inversion dimers, forming a corrugated two-dimensional network lying parallel to (103).

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