Hydro­gen-bonded chains of rings in 3-iodo­benz­aldehyde 2,4-di­nitro­phenyl­hydrazone and 4-iodo­benz­aldehyde 2,4-di­nitro­phenyl­hydrazone, and a three-dimensional framework in 4-iodo­benz­aldehyde 4-nitro­phenyl­hydrazone generated by the combi­nation of N—H⋯O and C—H⋯O hydrogen bonds with iodo–nitro interactions

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

doi:10.1107/S0108270103025745

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 6
Part of the crystal structure of (III

), showing the formation of a hydrogen-bonded chain of rings along [20 $[\overline 1]$ ]. For the sake of clarity, H atoms not involved in hydrogen bonding have been omitted. Atoms marked with an asterisk (*) or a hash (#) are at the symmetry positions (1 + x, 1 − y, − $[1 \over 2]$ + z) and (−1 + x, 1 − y, $[1 \over 2]$ + z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 1| December 2004| Pages o19-o23

doi:10.1107/S0108270103025745

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