Structural study of piracetam polymorphs and cocrystals: crystallography redetermination and quantum mechanics calculations

Tilborg, A.; Jacquemin, D.; Norberg, B.; Perpète, E.; Michaux, C.; Wouters, J.

doi:10.1107/S0108768111045113

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 2
Computed three-dimensional hypersurface represented alone (a) and in two dimensions with a color code (b). In (b) the localization of the experimental structures of piracetam polymorphs and hydrates (black), cocrystals (red) and theoretical optimized conformers [(1)–(4), yellow] are also reported.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 67| Part 6| November 2011| Pages 499-507

doi:10.1107/S0108768111045113

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