data_global _amcsd_formula_title 'As5 Fe12' loop_ _publ_author_name 'Maaref S' 'Maddar R' 'Chaudouet P' 'Fruchart R' 'Senateur J' 'Averbuch-Pouchot M' 'Bacmann M' 'Durif A' 'Wolfers P' _journal_name_full 'Materials Research Bulletin' _journal_volume 18 _journal_year 1983 _journal_page_first 473 _journal_page_last 480 _publ_section_title ; Etude de la structure et des conditions de stabilite d'un nouvel arseniure de fer: Fe12 As5 _cod_database_code 1007246 ; _database_code_amcsd 0015928 _chemical_formula_sum 'As5 Fe12' _cell_length_a 6.7855 _cell_length_b 6.7855 _cell_length_c 16.30099 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 649.992 _exptl_crystal_density_diffrn 8.007 _symmetry_space_group_name_H-M 'R 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z As1 0.00000 0.00000 0.00000 As2 0.00000 0.00000 0.70820 As3 0.31440 0.33320 0.18740 Fe1 0.00000 0.00000 0.23550 Fe2 0.00000 0.00000 0.47220 Fe3 0.00000 0.00000 0.85480 Fe4 0.05700 0.41740 0.27240 Fe5 0.75090 0.72360 0.10260 Fe6 0.33340 0.43050 0.02040