#------------------------------------------------------------------------------ #$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $ #$Revision: 211196 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/08/1520830.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_1520830 loop_ _publ_author_name 'Berastegui, P.' 'Hull, S.' 'Eriksson, S.G.' _publ_section_title ; A neutron diffraction study of the temperature dependence of Ca2 Fe2 O5 ; _journal_name_full 'Materials Research Bulletin' _journal_page_first 303 _journal_page_last 314 _journal_volume 34 _journal_year 1999 _chemical_formula_sum 'Ca2 Fe2 O5' _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2n 2ac' _symmetry_space_group_name_H-M 'P c m n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.5946 _cell_length_b 14.8273 _cell_length_c 5.4307 _cell_volume 450.492 _citation_journal_id_ASTM MRBUAC _cod_data_source_file Berastegui_MRBUAC_1999_524.cif _cod_data_source_block Ca2Fe2O5 _cod_original_cell_volume 450.4919 _cod_original_sg_symbol_Hall '-P 2ac 2n (z,y,-x)' _cod_database_code 1520830 loop_ _symmetry_equiv_pos_as_xyz x,y,z x+1/2,-y,-z+1/2 -x+1/2,-y+1/2,z+1/2 -x,y+1/2,-z -x,-y,-z -x-1/2,y,z-1/2 x-1/2,y-1/2,-z-1/2 x,-y-1/2,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O3 O-2 0.8754 0.25 0.5994 1 0.0 Ca1 Ca+2 0.0221 0.1078 0.4826 1 0.0 O1 O-2 0.2382 -0.0156 0.2634 1 0.0 Fe1 Fe+3 0 0 0 1 0.0 Fe2 Fe+3 -0.0656 0.25 -0.0543 1 0.0 O2 O-2 0.0727 0.1408 0.0236 1 0.0