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Issue 2, 2020
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Complex transitions between dihydrate and anhydrate forms of ectoine – unexpected behavior of a highly hygroscopic compatible solute in the solid state

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Abstract

The crystalline dihydrate of the compatible solute ectoine undergoes a loss of water at ambient conditions and transforms into a highly hygroscopic anhydrate form. This unexpected transition is studied combining single-crystal and powder X-ray, single crystal neutron diffraction measurements and quantum mechanical calculations. Overall, our study provides a rationale for the important uptake and loss of water by ectoine in the solid state.

Graphical abstract: Complex transitions between dihydrate and anhydrate forms of ectoine – unexpected behavior of a highly hygroscopic compatible solute in the solid state

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Submitted
10 Oct 2019
Accepted
21 Nov 2019
First published
25 Nov 2019

CrystEngComm, 2020,22, 169-172
Article type
Communication

Complex transitions between dihydrate and anhydrate forms of ectoine – unexpected behavior of a highly hygroscopic compatible solute in the solid state

W. M. Hützler, E. Mossou, R. Vollrath, M. Kohagen, I. El Ghrissi, M. Grininger, G. Zaccai, J. Smiatek and D. Oesterhelt, CrystEngComm, 2020, 22, 169
DOI: 10.1039/C9CE01599J

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