Acta Cryst. (2012). E68, o2817
[ doi:10.1107/S1600536812036902 ]
Abstract: In the title molecule, C17H18F2N2, the dihedral angle between the benzene rings is 73.40 (3)°. The piperazine ring is close to an ideal chair conformation and the N-H hydrogen is in an equatorial position. In the crystal, molecules are linked via weak C-HF hydrogen bonds.
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