#------------------------------------------------------------------------------ #$Date: 2008-01-13 23:15:36 +0100 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/1/1008553.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1008553 _chemical_name_systematic 'Iron(III) tris(phosphate) trihydroxide' _chemical_formula_structural 'Fe4 (P O4)3 (O H)3' _chemical_formula_sum 'H3 Fe4 O15 P3' _publ_section_title ; Neutron diffraction study of Fe~4~(PO~4~)~3~(OH)~3~: occurrence of ferromagnetic Fe~2~O~9~ clusters ; loop_ _publ_author_name 'Malaman, M' 'Ijjaali, M' 'Venturini, G' 'Gleitzer, C' 'Soubeyroux, J L' _journal_name_full ; European Journal of Solid State Inorganic Chemistry ; _journal_coden_ASTM EJSCE5 _journal_volume 28 _journal_year 1991 _journal_page_first 519 _journal_page_last 531 _cell_length_a 19.58(1) _cell_length_b 7.388(5) _cell_length_c 7.451(5) _cell_angle_alpha 90 _cell_angle_beta 102.32(10) _cell_angle_gamma 90 _cell_volume 1053.0 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C 1 2/c 1' _symmetry_Int_Tables_number 15 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,1/2-z' '-x,-y,-z' 'x,-y,1/2+z' '1/2+x,1/2+y,z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2-y,-z' '1/2+x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 P5+ 5.000 O2- -2.000 H1+ 1.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Fe1 Fe3+ 8 f 0.0757(1) 0.7236(2) 0.1561(2) 1. 0 d Fe2 Fe3+ 8 f 0.3304(1) 0.5126(2) 0.1472(2) 1. 0 d P1 P5+ 8 f 0.1688(1) 0.6347(3) 0.5857(4) 1. 0 d P2 P5+ 4 e 0. 0.8835(5) 0.75 1. 0 d O1 O2- 4 e 0.5 0.1225(13) 0.25 1. 1 d O2 O2- 8 f 0.3365(3) 0.3715(9) 0.4013(9) 1. 1 d O3 O2- 8 f 0.0198(4) 0.2346(9) 0.4202(10) 1. 0 d O4 O2- 8 f 0.1125(4) 0.5013(9) 0.106(1) 1. 0 d O5 O2- 8 f 0.3142(4) 0.7422(9) 0.2455(11) 1. 0 d O6 O2- 8 f 0.1426(4) 0.7569(9) 0.4143(10) 1. 0 d O7 O2- 8 f 0.4367(3) 0.4936(9) 0.2595(9) 1. 0 d O8 O2- 8 f 0.2339(4) 0.4660(9) 0.0649(10) 1. 0 d H1 H1+ 8 f 0.295(2) 0.719(5) 0.869(4) 1. 0 d H2 H1+ 4 e 0. 0.475(7) 0.25 1. 0 d _refine_ls_R_factor_all 0.033