Ammonium hexafluoroindate is an inorganic chemical compound with the chemical formula .
Synthesis The compound can be obtained by reacting ammonium fluoride and indium bromide in anhydrous methanol, or by reacting ammonium fluoride and indium fluoride in aqueous solution.
Also, a reaction involving indium hydroxide and ammonium fluoride:
Physical properties The compound decomposes at 120–170 °C to obtain , and further decomposes to at 185–300 °C.
Ammonium hexafluoroindiate forms colorless crystals of tetragonal system, space group P4mnc, insoluble in water.
At 80 °C, a phase transition into the cubic phase occurs.
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