Co-crystallization of a neutral mol­ecule and its zwitterionic tautomer: structure and Hirshfeld surface analysis of 5-methyl-4-(5-methyl-1H-pyrazol-3-yl)-2-phenyl-2,3-di­hydro-1H-pyrazol-3-one 5-methyl-4-(5-methyl-1H-pyrazol-2-ium-3-yl)-3-oxo-2-phenyl-2,3-di­hydro-1H-pyrazol-1-ide monohydrate

Asiri, A.M.; Alzahrani, K.A.H.; Faidallah, H.M.; Alamry, K.A.; Jotani, M.M.; Tiekink, E.R.T.

doi:10.1107/S2056989019004389

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 4
Views of the Hirshfeld surface for (I)

mapped over d_norm in the range −0.527 to +1.288 arbitrary units for (a) and (b) the neutral tautomer and (c) in the range −0.527 to +1.367 arbitrary units for the zwitterion and a short intra-atomic H⋯H contact by a yellow dashed line.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 5| May 2019| Pages 565-570

https://doi.org/10.1107/S2056989019004389

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