Raman Spectroscopic Study of the Phase Transition of Amorphous to Crystalline β-Carbonic Acid

Raman Spectroscopic Study of the Phase Transition of Amorphous to Crystalline β-Carbonic Acid

What's the matter? The laboratory Raman spectra for carbonic acid (H₂CO₃), both for the β-polymorph and its amorphous state, are required to detect carbonic acid on the surface of the pole caps of Mars in 2009, when the Mars Microbeam Raman Spectrometer lands on the planet. The picture shows a...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2009-03, Vol.48 (15), p.2690-2694
Hauptverfasser: Kohl, Ingrid, Winkel, Katrin, Bauer, Marion, Liedl, Klaus R, Loerting, Thomas, Mayer, Erwin
Format: Artikel
Sprache:eng
Schlagworte:
amorphous materials
carboxylic acids
molecules in outer space
Raman spectroscopy
solid-state structures
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Zusammenfassung:What's the matter? The laboratory Raman spectra for carbonic acid (H₂CO₃), both for the β-polymorph and its amorphous state, are required to detect carbonic acid on the surface of the pole caps of Mars in 2009, when the Mars Microbeam Raman Spectrometer lands on the planet. The picture shows a martian crater with ice of unknown composition, possibly containing carbonic acid (image adapted from DLR, with permission from ESA, DLR, and FU Berlin --G. Neukum).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200805300