data_global _amcsd_formula_title 'Fe H O2' loop_ _publ_author_name 'Pernet M' 'Joubert J' 'Berthet-Colominas C' _journal_name_full 'Solid State Communications' _journal_volume 17 _journal_year 1975 _journal_page_first 1505 _journal_page_last 1510 _publ_section_title ; Etude par diffraction neutronique de la forme haute pression de Fe O O H _cod_database_code 1009073 ; _database_code_amcsd 0016934 _chemical_formula_sum 'Fe O2 H' _cell_length_a 4.937 _cell_length_b 4.432 _cell_length_c 2.994 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 65.511 _exptl_crystal_density_diffrn 4.504 _symmetry_space_group_name_H-M 'P 21 n m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,-y,1/2+z' 'x,y,-z' '1/2+x,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe1 0.00000 0.29000 0.00000 O1 0.35000 0.47500 0.00000 O2 0.64800 0.00700 0.00000 H1 0.52900 0.22000 0.00000