Complex transitions between dihydrate and anhydrate forms of ectoine - unexpected behavior of a highly hygroscopic compatible solute in the solid state
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 qua...
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| Veröffentlicht in: | CrystEngComm 2020-01, Vol.22 (2), p.169-172 |
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| container_title | CrystEngComm |
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| creator | Hützler, Wilhelm Maximilian Mossou, Estelle Vollrath, Ronnald Kohagen, Miriam El Ghrissi, Imadine Grininger, Martin Zaccai, Giuseppe Smiatek, Jens Oesterhelt, Dieter |
| description | 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.
Crystallizing the compatible solute ectoine from water yields a metastable dihydrate that readily degrades to a highly hygroscopic anhydrate at ambient conditions; this strange behavior is examined and a rationale is presented. |
| doi_str_mv | 10.1039/c9ce01599j |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1466-8033 |
| ispartof | CrystEngComm, 2020-01, Vol.22 (2), p.169-172 |
| issn | 1466-8033 1466-8033 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_C9CE01599J |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Crystallography Crystals Hygroscopicity Neutron diffraction Quantum mechanics Single crystals Solid state |
| title | 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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