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 3
Slices of the reconstructed reciprocal space of the SnGe₄N₄O₄ phase of Cr1_HH228. (a) Viewing direction [110] showing the $[h{\bar h}0l]$ reflections. For 000l reflections, l = 2n is clearly visible, no other extinctions are visible. (b) Viewing direction $[[1{\bar 1}0]]$ showing the $[hh{\overline {2h}}l]$ reflections, l = 2n is only violated by weak reflections. The grid shown in the figures represents the corresponding projections of the reciprocal unit cell onto the image plane. As a* and b* are not parallel to this plane in the given viewing directions, the grid points representing the projection of a* or b* onto the image plane are not occupied by reflections in the zero layer of the reciprocal space, however in higher layers above and below.

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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