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Acta Cryst. (2008). E64, o1391  [ doi:10.1107/S1600536808018333 ]

1-Acetyl-3-(4-chlorophenyl)-5-(4-fluorophenyl)-2-pyrazoline

J. Li, H.-F. Xiao and J. Yang

Abstract: In the title molecule, C17H14ClFN2O, the mean plane of the pyrazoline ring makes dihedral angles of 18.19 (1) and 83.51 (4)° with the 4-chlorobenzene and 4-fluorobenzene rings, respectively. The two benzene rings make a dihedral angle of 76.11 (2)°. Weak intermolecular C-H...O hydrogen bonds help stabilize the crystal structure.

Online 5 July 2008


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