F2.1 Pb0.95 Th0.05 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 1008611 _database_code_amcsd 0016502 5.9465 5.9465 5.9465 90 90 90 Fm3m atom x y z occ Pb1 0 0 0 .95 Th1 0 0 0 .05 F1 .25 .25 .25 .8 F2 .406 .406 .406 .01 F3 .288 .288 .288 .05