#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1009073.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_1009073 _chemical_name_systematic 'Iron oxide hydroxide - HP' _chemical_formula_structural 'Fe O (O H)' _chemical_formula_sum 'Fe H O2' _[local]_cod_chemical_formula_sum_orig 'H Fe O2' _publ_section_title ; Etude par diffraction neutronique de la forme haute pression de Fe O O H ; loop_ _publ_author_name 'Pernet, M' 'Joubert, J C' 'Berthet-Colominas, C' _journal_name_full 'Solid State Communications' _journal_coden_ASTM SSCOA4 _journal_volume 17 _journal_year 1975 _journal_page_first 1505 _journal_page_last 1510 _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 65.5 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 21 n m' _symmetry_Int_Tables_number 31 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,y,-z' '1/2+x,-y,1/2-z' '1/2+x,-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 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+ 2 a 0. 0.290(2) 0. 1. 0 d O1 O2- 2 a 0.350(3) 0.475(3) 0. 1. 0 d O2 O2- 2 a 0.648(3) 0.007(3) 0. 1. 1 d H1 H1+ 2 a 0.529(6) 0.220(8) 0. 1. 0 d _refine_ls_R_factor_all 0.05 _cod_database_code 1009073