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Europium(II) iodide
Europium(II) iodide is the iodide salt of divalent europium cation.
Europium(II) iodide can be prepared in a handful of ways, including:
Reduction of europium(III) iodide with hydrogen gas at 350 °C:
Thermal decomposition of europium(III) iodide at 200 °C:
Reaction of europium with mercury(II) iodide:
Reaction of europium with ammonium iodide:
Europium(II) iodide has several polymorphs. It adopts a monoclinic crystal structure in space group P 21/c (no. 14).
It also adopts an orthorhombic polymorph in space group Pbca (no. 61). This form is isostructural with strontium iodide.
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Europium(II) iodide
Europium(II) iodide is the iodide salt of divalent europium cation.
Europium(II) iodide can be prepared in a handful of ways, including:
Reduction of europium(III) iodide with hydrogen gas at 350 °C:
Thermal decomposition of europium(III) iodide at 200 °C:
Reaction of europium with mercury(II) iodide:
Reaction of europium with ammonium iodide:
Europium(II) iodide has several polymorphs. It adopts a monoclinic crystal structure in space group P 21/c (no. 14).
It also adopts an orthorhombic polymorph in space group Pbca (no. 61). This form is isostructural with strontium iodide.