Bi2O3 Radaev S F, Simonov V I, Kargin Y F Acta Crystallographica B48 (1992) 604-609 Structural features of gamma-phase Bi2O3 and its place in the sillenite family _database_code_amcsd 0009859 10.2501 10.2501 10.2501 90 90 90 I23 atom x y z occ Biso Bi .1760 .3203 .0096 1.6 BiM 0 0 0 .80 .8 O1 .1365 .2476 .5038 1.2 O2 .1874 .1874 .1874 2.6 O3 .8885 .8885 .8885 .80 2.7