FeBr2 Wyckoff R W G Crystal Structures 1 (1963) 239-444 Second edition. Interscience Publishers, New York, New York Note: cadmium iodide structure _database_code_amcsd 0011781 3.74 3.74 6.17 90 90 120 P-3m1 atom x y z Fe 0 0 0 Br 1/3 2/3 .25