PbI2 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 0011793 4.555 4.555 6.977 90 90 120 P-3m1 atom x y z Pb 0 0 0 I 1/3 2/3 .265