Acta Crystallographica Section E

Structure Reports Online

Volume 70, Part 5 (May 2014)


organic compounds



tk5303 scheme

Acta Cryst. (2014). E70, o514    [ doi:10.1107/S1600536814007119 ]

6-Chloro-4-oxo-4H-chromene-3-carb­aldehyde

Y. Ishikawa

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].

CCDC reference: 994454


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