F2.2 Pb0.9 Th0.1 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 1008612 _database_code_amcsd 0016503 5.9528 5.9528 5.9528 90 90 90 Fm3m atom x y z occ Pb1 0 0 0 .9 Th1 0 0 0 .1 F1 .25 .25 .25 .75 F2 .5 .402 .402 .01 F3 .385 .385 .385 .02 F4 .297 .297 .297 .05