摘要: The distribution of 46 acentric bismuthates over different crystal systems and space formations Bi-O polyhedrons have been revealed. dependence polyhedron formation on stoichiometric ratio n(O)/n(Bi) in the compound is established. Individual (Bi-O) octahedrons are found for > 5 (and >3 low coordinated bismuth), chains layers revealed range 2.07#x2013;5.0. Framework possible at n(O)/n(Bi)<3.5.
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