Acta Crystallographica Section C

Crystal Structure Communications

Volume 62, Part 1 (January 2006)

organic compounds

sk1882 scheme

Acta Cryst. (2006). C62, o1-o4 [ doi:10.1107/S0108270105035766 ]

Three-dimensional supramolecular structures in (E,E)-N,N'-bis(4-nitrobenzylidene)butane-1,4-diamine and (E,E)-N,N'-bis(4-nitrobenzylidene)hexane-1,6-diamine

C. Glidewell, J. N. Low, J. M. S. Skakle and J. L. Wardell

Abstract: In both (E,E)-N,N'-bis(4-nitrobenzylidene)butane-1,4-diamine, C₁₈H₁₈N₄O₄, (III), and (E,E)-N,N'-bis(4-nitrobenzylidene)hexane-1,6-diamine, C₂₀H₂₂N₄O₄, (IV), the molecules lie across centres of inversion in space groups P $\overline{1}$ and P2₁/c, respectively. In (III), the three-dimensional supramolecular structure is built from [pi] -stacked chains of edge-fused R₂²(30) rings, while in (IV), chains of edge-fused R₂²(38) rings are linked by dipolar nitro-nitro interactions.

Formula: C₁₈H₁₈N₄O₄ and C₂₀H₂₂N₄O₄


	Structure factor file (CIF format) (93.2 kbytes) [ doi:10.1107/S0108270105035766/sk1882IIIsup2.hkl ] Contains datablock III

	Structure factor file (CIF format) (102.5 kbytes) [ doi:10.1107/S0108270105035766/sk1882IVsup3.hkl ] Contains datablock IV

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