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Figure 2
Lattice parameter ratios a/b versus a/c for selected β-K2SO4 compounds (Pnma setting). The dashed line depicts the loci of the unit cells with ortho­hexa­gonal metric. The same symbols are applied for compounds with the same cations. K2Se4 and Tl2SeO4 undergo confirmed low-temperature phase transitions (Origin6.1; OriginLab Corporation, 2000BB20).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 62| Part 6| May 2006| Pages i49-i52
doi:10.1107/S0108270106016350
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