Acta Cryst. (2013). E69, o1101 [ doi:10.1107/S160053681301605X ]
Abstract: The title compound, C18H24N4, resides on a crystallographic inversion centre, so that the asymmetric unit comprises one half-molecule. The piperazine ring adopts a chair conformation, with the mean planes of the two equatorial pyridine rings parallel to each other and separated by 2.54 (3) Å. No classical hydrogen bonds are observed.
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