Series of alkali metal fluoroscandiates were prepared by reacting corresponding individual alkali fluorides MeF and ScF3 (were Me was Li, Na, K, Rb, Cs) at 400–600 °C for 100 h under argon atmosphere. The Me : Sc ratio varied from 1 : 1 to 3 : 1. X-ray powder diffraction analysis showed that the following phases were formed: Li3ScF6, Na3ScF6, NaScF4, K3ScF6, KSc2F7, Rb3ScF6, Cs3ScF6, CsScF4.
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