data_global _chemical_name_mineral 'Iwakiite' loop_ _publ_author_name 'Jarosch D' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 185 _journal_year 1988 _journal_page_first 605 _journal_page_last 605 _publ_section_title ; Crystal structure of iwakiite Note: coordinates from ICSD, reproduce reported bond lengths ; _database_code_amcsd 0010983 _chemical_compound_source 'Gozaisho mine, Fukushima Prefecture, Japan' _chemical_formula_sum 'Mn1.6 Fe1.2 O4' _cell_length_a 6.025 _cell_length_b 6.025 _cell_length_c 8.539 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 309.971 _exptl_crystal_density_diffrn 4.691 _symmetry_space_group_name_H-M 'I 41/a m d' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/4-y,3/4-x,1/4+z' '3/4-y,1/4-x,3/4+z' '1/4+y,3/4+x,1/4-z' '3/4+y,1/4+x,3/4-z' '1/4+y,3/4-x,1/4-z' '3/4+y,1/4-x,3/4-z' '1/4-y,3/4+x,1/4+z' '3/4-y,1/4+x,3/4+z' '1/2+x,-y,1/2+z' '+x,1/2-y,+z' '1/2-x,y,1/2-z' '-x,1/2+y,-z' '1/2+x,y,1/2-z' '+x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' '1/4+y,1/4+x,3/4+z' '3/4+y,3/4+x,1/4+z' '1/4-y,1/4-x,3/4-z' '3/4-y,3/4-x,1/4-z' '1/4-y,1/4+x,3/4-z' '3/4-y,3/4+x,1/4-z' '1/4+y,1/4-x,3/4+z' '3/4+y,3/4-x,1/4+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mn1 0.00000 0.25000 0.87500 1.00000 Mn2 0.00000 0.50000 0.50000 0.30000 Fe2 0.00000 0.50000 0.50000 0.60000 O 0.00000 0.47560 0.26220 1.00000