data_global _chemical_name_mineral 'Phosphosiderite' loop_ _publ_author_name 'Moore P B' _journal_name_full 'American Mineralogist' _journal_volume 51 _journal_year 1966 _journal_page_first 168 _journal_page_last 176 _publ_section_title ; The crystal structure of metastrengite and its relationship to strengite and phosphophyllite ; _database_code_amcsd 0000144 _chemical_formula_sum 'Fe P (O6 H4)' _cell_length_a 5.30 _cell_length_b 9.77 _cell_length_c 8.73 _cell_angle_alpha 90 _cell_angle_beta 90.60 _cell_angle_gamma 90 _cell_volume 452.023 _exptl_crystal_density_diffrn 2.746 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe 0.09160 0.82700 0.19190 0.00747 P -0.08670 0.15060 0.18360 0.00887 Wat1 0.38740 0.94940 0.17990 0.03584 Wat2 0.08710 0.87300 0.42750 0.02026 O3 0.33240 0.68140 0.23830 0.01634 O4 -0.11520 -0.00660 0.17080 0.01482 O5 -0.20100 0.70500 0.21780 0.01089 O6 0.09390 0.78730 -0.02500 0.02064