ChemInform Abstract: New Ternary Hafniumhalides: Cs[Hf₂Br₉] and Rb[Hf₂Br₉].

Abstract

The title compounds are prepared in high yield by solid state reaction of 2:1 molar mixtures of HfBr4 and CsBr or RbBr, resp., in the presence of a small amount of Al (evacuated silica tubes, 450 °C, 2 d).