#------------------------------------------------------------------------------ #$Date: 2023-05-10 18:44:19 +0100 (Wed, 10 May 2023) $ #$Revision: 283658 $ #$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017845.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9017845 loop_ _publ_author_name 'Sinha, K. P.' 'Sinha, A. P. B.' _publ_section_title ; Ein Fehlstellenuberstruktur - Modell fur gamma-Fe2O3 ; _journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie' _journal_page_first 228 _journal_page_last 232 _journal_volume 293 _journal_year 1957 _chemical_compound_source Synthetic _chemical_formula_sum 'Fe21 H O33' _chemical_name_mineral Maghemite _space_group_IT_number 215 _space_group_name_Hall 'P -4 2 3' _space_group_name_H-M_alt 'P -4 3 m' _symmetry_space_group_name_H-M 'P -4 3 m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 8.35 _cell_length_b 8.35 _cell_length_c 8.35 _cell_volume 582.183 _database_code_amcsd 0020515 _exptl_crystal_density_diffrn 4.854 _cod_data_source_file inputs/fixed/downloads/20/20547.cif _cod_data_source_block 20547 _cod_original_formula_sum 'Fe21 O33 H' _cod_database_code 9017845 loop_ _space_group_symop_operation_xyz x,y,z -z,x,-y -y,z,-x -x,y,-z x,-z,-y z,-y,-x y,-x,-z x,z,y z,y,x y,x,z -z,-x,y -y,-z,x -x,-y,z z,-x,-y y,-z,-x x,-y,-z -x,z,-y -z,y,-x -y,x,-z -x,-z,y -z,-y,x -y,-x,z z,x,y y,z,x loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_type_symbol _atom_site_attached_hydrogens Fe1 0.00000 0.00000 0.00000 1.00000 Fe 0 Fe2 0.50000 0.50000 0.50000 1.00000 Fe 0 Fe3 0.00000 0.50000 0.50000 1.00000 Fe 0 Fe4 0.25000 0.25000 0.25000 1.00000 Fe 0 Fe5 0.12500 0.12500 0.62500 1.00000 Fe 0 O1 0.37500 0.37500 0.37500 1.00000 O 0 O2 0.87500 0.87500 0.87500 1.00000 O 0 O3 0.87500 0.87500 0.37500 1.00000 O 0 O4 0.37500 0.37500 0.87500 1.00000 O 0 O-H1 0.62500 0.62500 0.62500 0.25000 O 1 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 ;cod-tools version 3.8.0 Id: cif_guess_AMCSD_atom_types 9574 2023-05-10 09:00:05Z saulius ; 2023-05-10T18:58:48+03:00 ;Derived atom types and hydrogen counts from atom names that follow the AMCSD naming convention (Wat == water, O-H == hydroxyl). ; loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0020515