Three isomeric 1-(2-chloronicotinoyl)-2-(nitro­phenyl)hydrazines, including three polymorphs of 1-(2-chloronicotinoyl)-2-(2-nitrophenyl)hydrazine: hydrogen-bonded supramolecular structures in two and three dimensions

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

doi:10.1107/S0108768106041358

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

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Figure 2
Part of the crystal structure of the P2₁ polymorph (Ib) showing the formation of a chain of edge-fused rings along [010]. For the sake of clarity the H atoms not involved in the motifs shown have been omitted. The atoms marked with an asterisk (*), a hash (#), a dollar sign ($), an ampersand (&) or an `at' sign (@) are at the symmetry positions (x, 1 + y, z), (x, −1 + y, z), (2 − x, − $[1\over 2]$ + y, 1 − z), (2 − x, $[1\over 2]$ + y, 1 − z) and (2 − x, $[3\over 2]$ + y, 1 − z), respectively.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 63| Part 1| January 2007| Pages 101-110

doi:10.1107/S0108768106041358

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