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Figure 4
Cubic perovskite example: the ISOTILT summary page includes a list of independently variable pivot-atom rotation and translation vector components, the numbers of which are equal to the numbers of rotational and displacive symmetry modes. Pivot atom (and hence rigid unit) displacements are only included if requested on the atom types page.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 6| December 2021| Pages 1847-1856
https://doi.org/10.1107/S1600576721009353
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