Nb1.34 O6.67 Pb2 Ti0.66 Bachelier J, Hervieu M, Quemeneur E Bulletin de la Societe Chimique de France 1973 (1973) 2593-2595 Contribution a l'etude du compose Pb2-x M2 O7-y (M = Nb, Ti) de type pyrochlore _cod_database_code 1001052 _database_code_amcsd 0012106 10.52 10.52 10.52 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Pb1 0 0 0 Nb1 .5 .5 .5 .67 Ti1 .5 .5 .5 .33 O1 .439 .125 .125 O2 .125 .125 .125 .67