O3 W Gerand B, Nowogrocki G, Guenot J, Figlarz M Journal of Solid State Chemistry 29 (1979) 429-434 Structural study of a new hexagonal form of tungsten trioxide _cod_database_code 1004057 _database_code_amcsd 0013370 7.298 7.298 3.899 90 90 120 P6/mmm atom x y z W1 .5 0 0 O1 .5 0 .5 O2 .212 .424 0