H1.1 Nb O6.05 W Groult D, Michel C, Raveau B Journal of Inorganic and Nuclear Chemistry 36 (1974) 61-66 Sur l'evolution thermique des pyrochlores d'hydroxonium et d'ammonium H3 O M W O6, H4 O M2 O6 et N H4 M W O6 (M=Nb, Ta) _cod_database_code 1001035 _database_code_amcsd 0013033 10.355 10.355 10.355 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Nb1 0 0 0 .5 W1 0 0 0 .5 O1 .324 .125 .125 .92 O2 .375 .375 .375 .55