H0.66 O3.33 W Gerand B, Nowogrocki G, Figlarz M Journal of Solid State Chemistry 38 (1981) 312-320 A new tungsten trioxide hydrate, W O3 (H2 O)0.33: Preparation, characterization and crystallographic study _cod_database_code 1004050 _database_code_amcsd 0013416 7.359 12.513 7.704 90 90 90 Fmm2 atom x y z W1 .25 .25 0 W2 0 0 -.06 O1 0 .29 .04 O2 .17 .11 .01 O3 .25 .25 .25 O4 0 0 .21 O5 0 0 .70