Crystal structures of four isomeric hydrogen-bonded co-crystals of 6-methyl­quinoline with 2-chloro-4-nitro­benzoic acid, 2-chloro-5-nitro­benzoic acid, 3-chloro-2-nitro­benzoic acid and 4-chloro-2-nitro­benzoic acid

Gotoh, K.; Ishida, H.

doi:10.1107/S2056989020013134

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 9
Hirshfeld surfaces [front (top) and back (bottom) views] for the compounds of (I)–(IV) mapped over d_norm and shape index, indicating the C—H⋯O interactions (black arrows), O⋯Cl contacts (magenta arrows) and π–π interactions (white circles).

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 76| Part 11| November 2020| Pages 1701-1707

https://doi.org/10.1107/S2056989020013134

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