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Figure 16
A partial view of the output and input pages of SUBGROUPS when `Representations' is clicked in the input page of SUBGROUPS after introducing the wavevector and the occupied Wyckoff positions. The irrep decomposition of the space of displacive distortions (mechanical representation) for the wavevector R (½, ½, ½) is shown. One can then choose one or more of the listed possible irreps and reduce the listing of possible subgroups to those resulting from the onset of order parameter(s) associated with the chosen irrep(s).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 5| October 2024| Pages 1650-1666
https://doi.org/10.1107/S1600576724008070
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