data_global _amcsd_formula_title 'Fe4 H3 O15 P3' loop_ _publ_author_name 'Malaman M' 'Ijjaali M' 'Venturini G' 'Gleitzer C' 'Soubeyroux J' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 28 _journal_year 1991 _journal_page_first 519 _journal_page_last 531 _publ_section_title ; Neutron diffraction study of Fe4(PO4)3(OH)3: occurrence of ferromagnetic Fe2O9 clusters _cod_database_code 1008553 ; _database_code_amcsd 0016444 _chemical_formula_sum 'Fe4 P3 O15 H3' _cell_length_a 19.58 _cell_length_b 7.388 _cell_length_c 7.451 _cell_angle_alpha 90 _cell_angle_beta 102.32 _cell_angle_gamma 90 _cell_volume 1053.018 _exptl_crystal_density_diffrn 3.528 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe1 0.07570 0.72360 0.15610 Fe2 0.33040 0.51260 0.14720 P1 0.16880 0.63470 0.58570 P2 0.00000 0.88350 0.75000 O1 0.50000 0.12250 0.25000 O2 0.33650 0.37150 0.40130 O3 0.01980 0.23460 0.42020 O4 0.11250 0.50130 0.10600 O5 0.31420 0.74220 0.24550 O6 0.14260 0.75690 0.41430 O7 0.43670 0.49360 0.25950 O8 0.23390 0.46600 0.06490 H1 0.29500 0.71900 0.86900 H2 0.00000 0.47500 0.25000