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Crystal structure of 3-acetyl-4H-chromen-4-one.


ABSTRACT: In the title compound, C11H8O3, the fused-ring system is almost planar (r.m.s. deviation = 0.020 Å), with the largest deviation from the least-squares plane [0.0462 (17) Å] being for a pyran C atom. The dihedral angle between the plane of the fused-ring system and acetyl plane is 5.149 (16)°. In the crystal, the fused rings are linked by aromatic π-π stacking inter-actions [centroid-centroid distance between the benzene and pyran rings = 3.643 (6) Å] and C-H⋯O hydrogen bonds, generating a three-dimensional network.

SUBMITTER: Ishikawa Y 

PROVIDER: S-EPMC4518922 | biostudies-literature |

REPOSITORIES: biostudies-literature

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