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 5
This is a single cube-in-cube arrangement, whereby the smaller distorted cube is defined by the six silicon atoms of the [Si₆O₁₉] unit, in addition to two M1 cations. This cube is situated at the centre of an even larger cube, which is defined by the remaining M positions.

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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