Date Published: May 01, 2012
Publisher: International Union of Crystallography
Author(s): Bojana M. Francuski, Branka Ivković, Ivana Stojanović, Sote Vladimirov, Djordje Francuski.
In the title compound, C16H11F3O2, the γ-pyranone ring adopts an envelope conformation with the chiral C atom standing out of the ring plane. In the crystal, molecules are linked by C—H⋯O and C—H⋯F interactions.
For general background to flavones, see: Harborne & Williams (2000 ▶). For related flavonoids, see: Benavente-García & Castillo (2008 ▶); Rodeiro et al. (2006 ▶). For related structures, see: Wera et al. (2012 ▶); Białońska et al. (2007 ▶); Krishnaiah et al. (2005 ▶); Wu et al. (2005 ▶). For van der Waals radii, see: Bondi (1964 ▶).