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 5
Views of Hirshfeld surface mapped over the calculated electrostatic potential for (a) and (b) the neutral tautomer in the range −0.157 to +0.225 atomic units (a.u.), (c) and (d) zwitterionic tautomer in the range −0.152 to +0.259 a.u., and (e) and (f) for the overall structure in the range −0.166 to +0.250 a.u.. The red and blue regions represent negative and positive electrostatic potentials, respectively.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

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

https://doi.org/10.1107/S2056989019004389

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