Er Fe2 H3.45 Fruchart D, Berthier Y, De Saxce T, Vulliet P Journal of Solid State Chemistry 67 (1987) 197-209 Etudes structurales et magnetiques de formes cubiques et rhomboedriques Ln Fe2 Hx, Ln=Er,Tb _cod_database_code 1008877 _database_code_amcsd 0016744 7.815 7.815 7.815 91.2 91.2 91.2 R-3m atom x y z Er1 .135 .135 .135 Er2 .629 .629 .137 Fe1 .5 .5 .5 Fe2 .5 0 0 Fe3 .763 .237 0 Fe4 .283 .283 .497 H1 .364 .364 .126 H2 .135 .135 .868 H3 .808 .329 .615