Crystal structures of two new high-pressure oxynitrides with composition SnGe4N4O4, from single-crystal electron diffraction

Gollé-Leidreiter, P.; Bhat, S.; Wiehl, L.; Wen, Q.; Kroll, P.; Ishikawa, R.; Etter, M.; Farla, R.; Ikuhara, Y.; Riedel, R.; Kolb, U.

doi:10.1107/S2052520624002683

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

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Figure 8
Structure of the rhombohedral phase, space group $[R{\bar 3}m]$ . Color code is the same as for the nolanite-type. Now there are two different non-equivalent O-layers formed by octahedra centered by Ge2 (shown in blue) and Ge3 (shown in gray). (a) Projection of the unit cell along [110], visualizing the polyhedron layers. (b) A part of the unit cell in perspective view, highlighting the connections between the different cation polyhedra in more detail.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 80| Part 3| June 2024| Pages 182-192

https://doi.org/10.1107/S2052520624002683

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