data_global _chemical_name_mineral 'Feroxyhyte' loop_ _publ_author_name 'Patrat G' 'de Bergevin F' 'Pernet M' 'Joubert J' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 39 _journal_year 1983 _journal_page_first 165 _journal_page_last 170 _publ_section_title ; Structure locale de delta-FeOOH ; _database_code_amcsd 0016639 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe.5 O H.5' _cell_length_a 2.95 _cell_length_b 2.95 _cell_length_c 4.56 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 34.367 _exptl_crystal_density_diffrn 4.293 _symmetry_space_group_name_H-M 'P -3 m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,-x+y,-z' '-x,-x+y,-z' '-x+y,-x,z' '-x+y,y,z' '-x,-y,-z' 'y,x,-z' '-y,x-y,z' 'x,x-y,z' 'x-y,x,-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Fe1 0.00000 0.00000 0.00000 0.50000 Fe2 0.00000 0.00000 0.50000 0.50000 O 0.33333 0.66667 0.24600 1.00000 H 0.33333 0.66667 0.51000 0.50000