Abstract
In the title compound, C10H5ClO3, a chlorinated 3-formylchromone derivative, the non-H atoms are essentially coplanar (r.m.s. deviation = 0.0456 Å) with the largest deviation from the least-squares plane [0.1136 (16) Å] being found for the ring-bound carbonyl O atom. In the crystal, molecules are linked through stacking interactions along the b axis [shortest centroid–centroid distance between the pyran and benzene rings = 3.4959 (15) Å].
Highlights
In the title compound, C10H5ClO3, a chlorinated 3-formylchromone derivative, the non-H atoms are essentially coplanar (r.m.s. deviation = 0.0456 Å) with the largest deviation from the least-squares plane [0.1136 (16) Å] being found for the ring-bound carbonyl O atom
Molecules are linked through stacking interactions along the b axis [shortest centroid–centroid distance between the pyran and benzene rings = 3.4959 (15) Å]
Supporting information for this paper is available from the IUCr electronic archives (Reference: TK5303)
Summary
School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan R factor = 0.040; wR factor = 0.109; data-to-parameter ratio = 15.0. In the title compound, C10H5ClO3, a chlorinated 3-formylchromone derivative, the non-H atoms are essentially coplanar (r.m.s. deviation = 0.0456 Å) with the largest deviation from the least-squares plane [0.1136 (16) Å] being found for the ring-bound carbonyl O atom. In the crystal, molecules are linked through stacking interactions along the b axis [shortest centroid–centroid distance between the pyran and benzene rings = 3.4959 (15) Å]. For related structures, see: Ishikawa & Motohashi (2013); Ishikawa (2014). For van der Waals radii; see: Bondi (1964). For halogen bonding, see: Auffinger et al (2004); Metrangolo et al (2005); Sirimulla et al (2013).
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