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Figure 1
(a) The count of space groups with missing symmetry; (b) normalized by the number of the entries with the corresponding space group type in the ICSD, i.e. divided by the numbers shown in Fig. S2. Labels show the top three. Dashed lines delineate from left to right: triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal and cubic space groups. (c) Fraction of ICSD entries with missing symmetry by lattice system. (d) Breakdown of the statistics for the trigonal hexagonal lattice system by space group types in the format `original space group in the ICSD → higher-symmetry space group consistent with the structure'.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 80| Part 5| October 2024| Pages 451-455
https://doi.org/10.1107/S2052520624008229
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