D3.4 Fe17.2 Ho1.9 Isnard O, Miraglia S, Soubeyroux J, Fruchart D Journal of the Less-Common Metals 162 (1990) 273-284 Neutron diffraction study of the structural and magnetic properties of the R2Fe17Hx(Dx) ternary compounds (R=Ce,Nd and Ho) _cod_database_code 1008457 _database_code_amcsd 0016361 8.499 8.499 8.310 90 90 120 P6_3/mmc atom x y z occ Ho1 0 0 .25 .756 Ho2 1/3 2/3 .75 Ho3 1/3 2/3 .25 .158 Fe1 0 0 .079 .244 Fe2 1/3 2/3 .112 .841 Fe3 .5 0 0 Fe4 1/6 .334 .986 Fe5 .324 .953 .25 D1 .839 .678 .25 .932 D2 .137 0 0 .100