Nd.5Na.5Nb2O6 Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G Inorganic Materials 40 (2004) 1324-1330 Structural and dielectric properties of solid solutions of sodium niobate in lanthanum and neodymium niobates Locality: synthetic Note: Nd2/3-x Na3x Nb2O6 synthesized at 1330 deg C Note: x = .16 _database_code_amcsd 0018681 3.8972 3.9086 7.8057 90 90 90 Pmmm atom x y z occ Nd 0 0 0 .52 Na 0 0 0 .48 Nb .5 .5 .2548 O1 .5 .5 0 O2 .5 .5 .5 O3 .5 0 .243 O4 0 .5 .242