PuOI Wyckoff R W G Crystal Structures 1 (1963) 294-296 Second edition. Interscience Publishers, New York, New York Note: tetragonal PbFCl structure _database_code_amcsd 0011859 4.042 4.042 9.169 90 90 90 P4/nmm atom x y z Pu 0 .5 .13 O 0 0 0 I 0 .5 .67