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Insights into the Crystallization and Structural Evolution of Glycine Dihydrate by In Situ Solid-State NMR Spectroscopy

Abstract : In situ solid-state NMR spectroscopy is exploited to monitor the structural evolution of a glycine/water glass phase formed on flash cooling an aqueous solution of glycine, with a range of modern solid-state NMR methods applied to elucidate structural properties of the solid phases present. The glycine/water glass is shown to crystallize into an intermediate phase, which then transforms to the beta polymorph of glycine. Our in situ NMR results fully corroborate the identity of the intermediate crystalline phase as glycine dihydrate, which was first proposed only very recently.
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https://hal-amu.archives-ouvertes.fr/hal-02091904
Contributor : Didier Gigmes <>
Submitted on : Saturday, April 6, 2019 - 5:17:43 PM
Last modification on : Tuesday, October 6, 2020 - 3:08:55 AM

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Paolo Cerreia Vioglio, Giulia Mollica, Marie Juramy, Colan E. Hughes, P. Andrew Williams, et al.. Insights into the Crystallization and Structural Evolution of Glycine Dihydrate by In Situ Solid-State NMR Spectroscopy. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2018, 57 (22), pp.6619--6623. ⟨10.1002/anie.201801114⟩. ⟨hal-02091904⟩

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