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Figure 7
Interatomic O—O distances in Å as a function of the internal t coordinate in the modulated composite on the left and in the modulated-layer structure on the right. The distances around 3.1 Å correspond to the height of the trigonal prisms, those around 3.0 Å to O atoms of consecutive triangles along the z direction and those around 2.5 Å to O atoms in the same triangle with similar z coordinates.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 62| Part 2| March 2006| Pages 197-204
doi:10.1107/S0108768105039212
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