beta-LaOF Wyckoff R W G Crystal Structures 1 (1963) 239-444 Second edition. Interscience Publishers, New York, New York Distorted fluorite structure _database_code_amcsd 0011750 4.051 4.051 20.212 90 90 120 R-3m atom x y z La 0 0 .242 O 0 0 .370 F 0 0 .122