K0.72Na1.71Ca5.79Si6O19 – the first oligosilicate based on [Si6O19]-hexamers and its stability compared to cyclo­silicates

Kahlenberg, V.; Krüger, H.; Garber, S.; Krüger, B.; Libowitzky, E.; Kröll, S.; Hofer, T.S.; Gallmetzer, J.M.; Purtscher, F.R.S.

doi:10.1107/S2052520624007352

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 8
Comparison of the measured and calculated Raman spectra of the oligosilicate is presented. The calculated spectra are separated into contributions associated with parallel and perpendicular polarization as well as for the total intensity, as obtained from the output of the program Crystal23. The left-hand side shows the complete spectra, while the right-hand side presents a close-up of the main silicate stretching bands.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 80| Part 5| October 2024| Pages 474-487

https://doi.org/10.1107/S2052520624007352

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