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Acta Cryst. (2013). E69, o911
[ doi:10.1107/S1600536813013044 ]


A. S. Bunev, V. E. Statsyuk, N. V. Utekhina and V. N. Khrustalev

Abstract: The title compound, C17H12O, has an E conformation about the C=C bond. The C-C[triple bond]C-C torsion angle is 7.7 (2)°, and the mean planes of the phenylethylenone [r.m.s. deviation = 0.059 (1) Å] and phenylacetylene [r.m.s. deviation = 0.023 (1) Å] fragments form a dihedral angle of 14.16 (7)°. In the crystal, weak C-H...O interactions link the molecules into zigzag chains propagated in [010].

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