O6 Rb W1.6 Driouiche A, Abraham F, Touboul M, Figlarz M Materials Research Bulletin 26 (1991) 901-908 Synthesis and characterization of cubic pyrochlore-type rubidium and caesium tungstates with a lacunar host lattice _cod_database_code 1004089 _database_code_amcsd 0014359 10.176 10.176 10.176 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Rb1 .375 .375 .375 W1 0 0 0 .8 O1 .315 .125 .125