Berkelium(III) iodide

Berkelium(III) iodide is a binary inorganic compound of berkelium and iodine with the chemical formula BkI3.

Synthesis
Synthesis of berkelium(III) iodide is by action of hydrogen iodine on berkelium oxide at 650 °C.

Physical properties
Berkelium triiodide forms a yellow solid of the trigonal crystal system, space group R3 (No. 148), lattice parameters a = 758.4 pm and c = 2087 pm. Its crystal structure is the same as that of bismuth triiodide.