Crystal structures of three functionalized chalcones: 4′-di­methyl­amino-3-nitro­chalcone, 3-di­methyl­amino-3′-nitrochalcone and 3′-nitro­chalcone

Hall, C.L.; Hamilton, V.; Potticary, J.; Cremeens, M.E.; Pridmore, N.E.; Sparkes, H.A.; D'ambruoso, G.D.; Warren, S.D.; Matsumoto, M.; Hall, S.R.

doi:10.1107/S2056989020011858

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
Bonding motifs present in the crystal structure of Gp8m. (a) Interactions in the plane of the rings of the molecules. (b) Hydrogen bonds offset along the short axis of the molecule. Cyclic hydrogen bonds highlighted in (a) are shown in green and an additional hydrogen-bonding motif is shown in blue. Stacking interactions are highlighted in red. [Symmetry codes: (i) −x + 1, −y + 1, −z; (ii) x,-y + $[{3\over 2}]$ , z + $[{1\over 2}]$ ; (iii) x − 1, y, z; (iv) −x + 1, y + $[{1\over 2}]$ , −z − $[{1\over 2}]$ ; (v) −x + 1, y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (vi) x, −y + $[{3\over 2}]$ , z − $[{1\over 2}]$ .]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 76| Part 10| October 2020| Pages 1599-1604

https://doi.org/10.1107/S2056989020011858

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