F2.3 Pb0.85 Th0.15 Soubeyroux J, Reau J, Matar S, Hagenmueller P, Lucat C Solid State Ionics 2 (1981) 215-229 Etude par diffraction de neutrons de la solution solide Pb1-x Thx F2+2x _cod_database_code 1008614 _database_code_amcsd 0016505 5.9581 5.9581 5.9581 90 90 90 Fm3m atom x y z occ Pb1 0 0 0 .85 Th1 0 0 0 .15 F1 .25 .25 .25 .73 F2 .5 .408 .408 .015 F3 .399 .399 .399 .03 F4 .303 .303 .303 .05