Supramolecular structures in N-isonicotinoyl arylaldehydehydrazones: multiple hydrogen-bonding modes in series of geometric isomers

Wardell, S.M.S.V.; de Souza, M.V.N.; Wardell, J.L.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108768107036270

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 6
Stereoviews of parts of the crystal structures of (a) the 2-bromophenyl compound (VIII) showing the formation of hydrogen-bonded C(7) and C(9) chains along [100] and [001]; (b) the 3-bromophenyl compound (IX) showing the combination of hydrogen-bonded C(7) and C(6) chains along [100] and [101] to form a sheet of alternating R₄⁴(16) and R₄⁴(30) rings; and the hydrated 4-bromophenyl compound (X) showing (c) a chain parallel to [201] and (d) a sheet parallel to (10 $[\bar 1]$ ). For the sake of clarity the H atoms not involved in the motifs shown have been omitted.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 63| Part 6| November 2007| Pages 879-895

doi:10.1107/S0108768107036270

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