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Acta Cryst. (2013). C69, 920-926  [ doi:10.1107/S0108270113015370 ]

Comparison of the structure of (E)-2-(2-benzylidenehydrazinylidene)quin­oxaline with those of its chloro- and bromobenzylidene analogues

L. R. Gomes, J. N. Low, A. S. M. C. Rodrigues, J. L. Wardell, M. V. N. de Souza, T. C. M. Noguiera and A. C. Pinheiro

Synopsis: The structures of (E)-2-(2-(phenylidene)hydrazinyl)quinoxaline and six Cl and Br derivatives have similar supramolecular structures involving an N-H...N hydrogen bond and [pi]-[pi] stacking interactions.

Formula: C15H12N4, C15H11ClN4, C15H11ClN4, C15H11ClN4, C15H11BrN4, C15H11BrN4 and C15H11BrN4


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