O6 Ta1.75 Tl1.75 W0.25 Michel C, Raveau B Materials Research Bulletin 8 (1973) 451-458 Etude de la distribution des Ions thallium dans les pyrochlores non stoechiometriques Tl1+x (Ta1+x W1-x) O6 _cod_database_code 1001057 _database_code_amcsd 0014233 10.5 10.5 10.5 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Tl1 .375 .375 .375 .0725 Tl2 .483 .483 .483 .4194 Ta1 0 0 0 .875 W1 0 0 0 .125 O1 .303 .125 .125