Cs4Ca[Si8O19]: a new mixed tetrahedral–octahedral oxosilicate, its topological features and comparison with other interrupted framework silicates

Kahlenberg, V.

doi:10.1107/S2052520625002537

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

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Figure 6
Polyhedral micro-ensembles (PMEs) in mixed tetrahedral octahedral framework of Cs₄Ca[Si₈O₁₉]. (a) {6,6,18} (for Ca), (b) {4,4,12} (for Si1) and {4,4,13} (for Si2). The principal PMEs for Si3 and Si4 correspond to that of Si2. Octahedra and tetrahedra are shown in orange and blue, respectively.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 81| Part 3| June 2025| Pages 325-336

https://doi.org/10.1107/S2052520625002537

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