Ba Ge0.5 O5 Si1.5 Goreaud M, Choisnet J, Raveau B, Deschanvres A Revue de Chimie Minerale 11 (1974) 207-216 Sur les silicogermanates Ba(Si2-x Gex) O5 isotypes de la sanbornite _cod_database_code 1001036 _database_code_amcsd 0015373 4.649 7.739 13.596 90 90 90 Pcmn atom x y z occ Ba1 .282 .25 .045 Si1 .368 .049 .325 .75 Ge1 .368 .049 .325 .25 O1 .451 .25 .338 O2 .171 .043 .218 O3 .188 .923 .422