Rb2O2 Wyckoff R W G Crystal Structures 1 (1963) 85-237 Second edition. Interscience Publishers, New York, New York Rubidium peroxide _database_code_amcsd 0011668 4.201 7.075 5.983 90 90 90 Immm atom x y z Rb 0 .25 0 O 0 0 .375