Hydrogen bonding in C-substituted nitro­anilines: π-stacked sheets of R\bf{_4^4}(20) and R\bf{_4^4}(28) rings in 2-cyano-4-nitroaniline

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

doi:10.1107/S0108270103027057

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
Part of the crystal structure of (I

), showing the formation of a (10 $[\overline 1]$ ) sheet of R $[{_4^4}]$ (20) and R $[{_4^4}]$ (28) rings built from molecules of types A and B only (see text). For the sake of clarity, H atoms bonded to C atoms have been omitted. Atoms marked with an asterisk (*), hash (#), dollar sign ($), ampersand (&) or `at' sign (@) are at the symmetry positions (x − 1, y, z − 1), (−x, $[{1 \over 2}]$ + y, $[{1 \over 2}]$ − z), (−x, y − $[{1 \over 2}]$ , $[{1 \over 2}]$ − z), (1 − x, $[{1 \over 2}]$ + y, $[{3 \over 2}]$ − z) and (1 − x, y − $[{1 \over 2}]$ , $[{3 \over 2}]$ − z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 1| December 2004| Pages o35-o37

doi:10.1107/S0108270103027057

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