F5 Fe2 H4 O2 Laligant Y, Leblanc M, Pannetier J, Ferey G Journal of Physics C: Solid State Physics 19 (1986) 1081-1095 Ordered magnetic frustration: IV. The two magnetic structures of the inverse weberite Fe2 F5 (H2 O)2: an example of the thermal evolution of the frustration character _cod_database_code 1000406 _database_code_amcsd 0013175 7.470 10.930 6.603 90 90 90 Imma atom x y z Fe1 0 0 0 Fe2 .25 .25 .25 F1 .2029 .1252 .0507 F2 0 .25 .3347 O1 .5 .5653 .1974 H1 .3933 .5871 .1207