data_global _amcsd_formula_title 'Cr Er O3' loop_ _publ_author_name 'Bertaut E' 'Mareschal J' _journal_name_full 'Solid State Communications' _journal_volume 5 _journal_year 1967 _journal_page_first 93 _journal_page_last 97 _publ_section_title ; Etude de la Structure Magnetique des Chromites d'Erbium et de Neodyme par Diffraction Neutronique _cod_database_code 1008159 ; _database_code_amcsd 0016099 _chemical_formula_sum 'Er Cr O3' _cell_length_a 5.223 _cell_length_b 5.516 _cell_length_c 7.519 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 216.623 _exptl_crystal_density_diffrn 8.195 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Er1 -0.01700 0.06900 0.25000 Cr1 0.50000 0.00000 0.00000 O1 0.10900 0.46300 0.25000 O2 -0.30800 0.29800 0.05000