Three isomeric (E)-nitro­benzaldehyde nitro­phenyl­hydrazones: chains of rings in isomorphous (E)-2-nitro­benzaldehyde 3-nitro­phenyl­hydrazone and (E)-3-nitro­benzaldehyde 2-nitro­phenyl­hydrazone, and centrosymmetric dimers in (E)-4-nitro­benz­aldehyde 2-nitro­phenyl­hydrazone

Ferguson, G.; Glidewell, C.; Low, J.N.; Skakle, J.M.S.; Wardell, J.L.

doi:10.1107/S0108270105028799

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 1
Part of the crystal structure of isomer (I)

, showing the atom-labelling scheme and the formation of an ordered chain of rings along [1 $[\overline{1}]$ 0]. Displacement ellipsoids are drawn at the 30% probability level. Atoms N1, N2 and C27 and their pendent H atoms have 0.5 occupancy, as do the H atoms bonded to atoms C11 and C16. Atoms marked with the suffixes a–e are at the symmetry positions (1 − x, 1 − y, 1 − z), (1 + x, −1 + y, z), (2 + x, −2 + y, z), (2 − x, −y, 1 − z) and (3 − x, −1 − y, 1 − z), respectively. For the sake of clarity, H atoms not involved in the motifs shown have been omitted, as has the unit-cell outline.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 10| September 2005| Pages o613-o616

doi:10.1107/S0108270105028799

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