data_global _chemical_name_mineral 'Berthierite' loop_ _publ_author_name 'Lemoine P' 'Carre D' 'Robert F' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 47 _journal_year 1991 _journal_page_first 938 _journal_page_last 940 _publ_section_title ; Structure du sulfure de fer et d'antimoine, FeSb2S4 (Berthierite) ; _database_code_amcsd 0010254 _chemical_formula_sum 'Fe Sb2 S4' _cell_length_a 11.401 _cell_length_b 14.148 _cell_length_c 3.758 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 606.170 _exptl_crystal_density_diffrn 4.686 _symmetry_space_group_name_H-M 'P n a 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 _atom_site_U_iso_or_equiv Fe1 0.31661 0.33484 0.25000 0.01340 Sb1 0.14457 0.06295 0.25000 0.01390 Sb2 0.03876 0.38551 0.75000 0.01120 S1 0.19550 0.27020 0.75000 0.01250 S2 0.42200 0.18420 0.25000 0.01310 S3 0.22360 0.49450 0.25000 0.01200 S4 0.45060 0.40460 0.75000 0.01200