data_global _chemical_name_mineral 'Phosphoferrite' loop_ _publ_author_name 'Moore P B' 'Araki T' _journal_name_full 'Inorganic Chemistry' _journal_volume 15 _journal_year 1976 _journal_page_first 316 _journal_page_last 321 _publ_section_title ; A mixed-valence solid-solution series: Crystal structures of phosphoferrite, Fe3(H2O)3[PO4]2, and kryzhanovskite, Fe3(OH)3[PO4]2 ; _database_code_amcsd 0012680 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe3 P2 O11 H6' _cell_length_a 9.460 _cell_length_b 10.024 _cell_length_c 8.670 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 822.150 _exptl_crystal_density_diffrn 3.325 _symmetry_space_group_name_H-M 'P b n a' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,z' 'x,1/2-y,-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+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 Fe1 0.00000 0.00000 0.00000 0.00912 Fe2 0.06348 0.09782 0.63668 0.00887 P 0.20288 0.10670 0.29122 0.00633 O1 0.21539 0.25627 0.33460 0.01026 O2 0.10316 0.03661 0.40657 0.01013 O3 0.35040 0.04224 0.29614 0.01077 O4 0.14429 0.09993 0.12530 0.01140 OW1 -0.08684 0.25000 0.50000 0.01887 OW2 -0.02832 0.32797 0.14766 0.01039 H1 -0.13400 0.20000 0.44600 ? H2a -0.10000 0.31000 0.15600 ? H2b 0.02300 0.26800 0.13300 ? loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Fe1 0.01129 0.00758 0.00861 -0.00125 -0.00307 -0.00009 Fe2 0.00970 0.00881 0.00811 0.00240 -0.00004 0.00084 P 0.00553 0.00682 0.00682 -0.00038 -0.00021 0.00026 O1 0.00925 0.00728 0.01432 -0.00010 0.00029 0.00203 O2 0.00920 0.01252 0.00880 -0.00327 -0.00137 0.00066 O3 0.00698 0.01166 0.01363 0.00293 -0.00029 0.00154 O4 0.01215 0.01471 0.00750 -0.00269 -0.00179 -0.00084 OW1 0.02004 0.01553 0.02106 0.00000 0.00000 0.00370 OW2 0.01016 0.00845 0.01260 -0.00149 -0.00042 -0.00018