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Figure 8
Coordination spheres of Sr1 and Sr2. The big spheres represent the Sr atoms while the smaller ones represent O atoms. The lines between O atoms are only meant to clarify the coordination geometries and do not represent chemical bonds. The symbol [\bigoplus] marks the position that Sr1 would occupy in a 12-fold coordination that corresponds to the situation found for Sr2. (a) Sr2 coordination in the basic structure; (b) Sr1 coordination in the basic structure; (c) Sr1 coordination at t = 0.0; (d) Sr1 coordination at t = 0.5.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 58| Part 6| November 2002| Pages 970-976
doi:10.1107/S010876810201741X
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