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Figure 4
Projection of the real structure of KNbOB2O5 along b. The unit cell is outlined (space group Pbn21). It can be clearly seen that the octahedra are rotated against each other with respect to the b axis. Compare the displacive modulation of the O atoms in the B2O5 groups to the atomic displacement parameters in the right-hand part of Fig. 3[link].

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 61| Part 4| July 2005| Pages 361-366
doi:10.1107/S0108768105016393
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