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A comparative study of the effect of high-pressure and low temperature on the crystal structure of lithium xanthinate
Anna Gaydamaka1, Nikita Bogdanov1, Boris Zakharov1
1Novosibirsk State University, Pirogova Str., 1, Novosibirsk, 630090, Russian Federation.
Abstract:
The crystal structure of lithium xanthinate hydrate was studied by single crystal X-ray diffraction and Raman spectroscopy on cooling to 100 K and under compression to 5.3 GPa. A phase transition at ∼4 GPa is observed. No phase transitions occur on cooling. Anisotropy of lattice strain and changes in intermolecular interactions are compared.
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