BaO2 Wong-Ng W, Roth R S Physica C 233 (1994) 97-101 Single-crystal structural investigation of BaO2 Locality: synthetic _database_code_amcsd 0015069 3.8114 3.8114 6.8215 90 90 90 I4/mmm atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ba 0 0 0 .650 .01015 .01031 .00414 0 0 0 O .5 .5 .109 .92 .017 .017 .0044 0 0 0