Fe17 N2.92 Pr2 Isnard O, Miraglia S, Soubeyroux J, Fruchart D, Pannetier J Physical Review B45 (1992) 2920-2926 Neutron powder diffraction study of Pr2Fe17 and Pr2Fe17N2.9 _cod_database_code 1008529 _database_code_amcsd 0016422 8.775 8.775 12.641 90 90 120 R-3m atom x y z occ Pr1 0 0 .3469 Fe1 0 0 .0954 Fe2 .5 0 .5 Fe3 .2826 0 0 Fe4 .5059 .4941 .1533 N1 .5 0 0 .973