Ammonium hexachloroselenate(IV)

Ammonium hexachloroselenate(IV) is an inorganic chemical compound with the chemical formula (NH4)2SeCl6.

[1][2] Reaction of ammonium chloride and selenium tetrachloride:[3] Ammonium hexachloroselenate forms yellow crystals of the cubic system, space group Fm3m.

[4] Cell parameters are a = 0,9955 nm, Z = 4.

[5] The compound demonstrates a phase transition at a temperature of 24 K.[6] It is soluble in water.