data_global _chemical_name_mineral 'Pentlandite' loop_ _publ_author_name 'Tsukimura K' 'Nakazawa H' 'Endo T' 'Fukunaga O' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 19 _journal_year 1992 _journal_page_first 203 _journal_page_last 212 _publ_section_title ; Cation distribution in Pentlandites (Fe,Ni)9S8: dependence of pressure and temperature and kinetics of the cation exchange reaction Sample: Natural, Fe/(Fe+Ni) = .470, T = 423 K, P = 0 GPa Note: structure was not refined in this study ; _database_code_amcsd 0007719 _chemical_formula_sum '(Fe4.231 Ni4.769) S8' _cell_length_a 10.071 _cell_length_b 10.071 _cell_length_c 10.071 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1021.452 _exptl_crystal_density_diffrn 5.025 _symmetry_space_group_name_H-M 'F m 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' 'z,-x,y' 'z,1/2-x,1/2+y' '1/2+z,-x,1/2+y' '1/2+z,1/2-x,y' '-y,z,-x' '-y,1/2+z,1/2-x' '1/2-y,z,1/2-x' '1/2-y,1/2+z,-x' 'x,-y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '1/2+x,1/2-y,z' '-z,x,-y' '-z,1/2+x,1/2-y' '1/2-z,x,1/2-y' '1/2-z,1/2+x,-y' 'y,-z,x' 'y,1/2-z,1/2+x' '1/2+y,-z,1/2+x' '1/2+y,1/2-z,x' '-x,y,-z' '-x,1/2+y,1/2-z' '1/2-x,y,1/2-z' '1/2-x,1/2+y,-z' 'x,-z,-y' 'x,1/2-z,1/2-y' '1/2+x,-z,1/2-y' '1/2+x,1/2-z,-y' '-z,y,x' '-z,1/2+y,1/2+x' '1/2-z,y,1/2+x' '1/2-z,1/2+y,x' 'y,-x,-z' 'y,1/2-x,1/2-z' '1/2+y,-x,1/2-z' '1/2+y,1/2-x,-z' '-x,z,y' '-x,1/2+z,1/2+y' '1/2-x,z,1/2+y' '1/2-x,1/2+z,y' 'z,-y,-x' 'z,1/2-y,1/2-x' '1/2+z,-y,1/2-x' '1/2+z,1/2-y,-x' '-y,x,z' '-y,1/2+x,1/2+z' '1/2-y,x,1/2+z' '1/2-y,1/2+x,z' 'x,z,y' 'x,1/2+z,1/2+y' '1/2+x,z,1/2+y' '1/2+x,1/2+z,y' '-z,-y,-x' '-z,1/2-y,1/2-x' '1/2-z,-y,1/2-x' '1/2-z,1/2-y,-x' 'y,x,z' 'y,1/2+x,1/2+z' '1/2+y,x,1/2+z' '1/2+y,1/2+x,z' '-x,-z,-y' '-x,1/2-z,1/2-y' '1/2-x,-z,1/2-y' '1/2-x,1/2-z,-y' 'z,y,x' 'z,1/2+y,1/2+x' '1/2+z,y,1/2+x' '1/2+z,1/2+y,x' '-y,-x,-z' '-y,1/2-x,1/2-z' '1/2-y,-x,1/2-z' '1/2-y,1/2-x,-z' 'z,x,-y' 'z,1/2+x,1/2-y' '1/2+z,x,1/2-y' '1/2+z,1/2+x,-y' '-y,-z,x' '-y,1/2-z,1/2+x' '1/2-y,-z,1/2+x' '1/2-y,1/2-z,x' 'x,y,-z' 'x,1/2+y,1/2-z' '1/2+x,y,1/2-z' '1/2+x,1/2+y,-z' '-z,-x,y' '-z,1/2-x,1/2+y' '1/2-z,-x,1/2+y' '1/2-z,1/2-x,y' 'y,z,-x' 'y,1/2+z,1/2-x' '1/2+y,z,1/2-x' '1/2+y,1/2+z,-x' '-x,-y,z' '-x,1/2-y,1/2+z' '1/2-x,-y,1/2+z' '1/2-x,1/2-y,z' '-z,x,y' '-z,1/2+x,1/2+y' '1/2-z,x,1/2+y' '1/2-z,1/2+x,y' 'y,-z,-x' 'y,1/2-z,1/2-x' '1/2+y,-z,1/2-x' '1/2+y,1/2-z,-x' '-x,y,z' '-x,1/2+y,1/2+z' '1/2-x,y,1/2+z' '1/2-x,1/2+y,z' 'z,-x,-y' 'z,1/2-x,1/2-y' '1/2+z,-x,1/2-y' '1/2+z,1/2-x,-y' '-y,z,x' '-y,1/2+z,1/2+x' '1/2-y,z,1/2+x' '1/2-y,1/2+z,x' 'x,-y,-z' 'x,1/2-y,1/2-z' '1/2+x,-y,1/2-z' '1/2+x,1/2-y,-z' '-x,z,-y' '-x,1/2+z,1/2-y' '1/2-x,z,1/2-y' '1/2-x,1/2+z,-y' 'z,-y,x' 'z,1/2-y,1/2+x' '1/2+z,-y,1/2+x' '1/2+z,1/2-y,x' '-y,x,-z' '-y,1/2+x,1/2-z' '1/2-y,x,1/2-z' '1/2-y,1/2+x,-z' 'x,-z,y' 'x,1/2-z,1/2+y' '1/2+x,-z,1/2+y' '1/2+x,1/2-z,y' '-z,y,-x' '-z,1/2+y,1/2-x' '1/2-z,y,1/2-x' '1/2-z,1/2+y,-x' 'y,-x,z' 'y,1/2-x,1/2+z' '1/2+y,-x,1/2+z' '1/2+y,1/2-x,z' '-x,-z,y' '-x,1/2-z,1/2+y' '1/2-x,-z,1/2+y' '1/2-x,1/2-z,y' 'z,y,-x' 'z,1/2+y,1/2-x' '1/2+z,y,1/2-x' '1/2+z,1/2+y,-x' '-y,-x,z' '-y,1/2-x,1/2+z' '1/2-y,-x,1/2+z' '1/2-y,1/2-x,z' 'x,z,-y' 'x,1/2+z,1/2-y' '1/2+x,z,1/2-y' '1/2+x,1/2+z,-y' '-z,-y,x' '-z,1/2-y,1/2+x' '1/2-z,-y,1/2+x' '1/2-z,1/2-y,x' 'y,x,-z' 'y,1/2+x,1/2-z' '1/2+y,x,1/2-z' '1/2+y,1/2+x,-z' '-z,-x,-y' '-z,1/2-x,1/2-y' '1/2-z,-x,1/2-y' '1/2-z,1/2-x,-y' 'y,z,x' 'y,1/2+z,1/2+x' '1/2+y,z,1/2+x' '1/2+y,1/2+z,x' '-x,-y,-z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' '1/2-x,1/2-y,-z' 'z,x,y' 'z,1/2+x,1/2+y' '1/2+z,x,1/2+y' '1/2+z,1/2+x,y' '-y,-z,-x' '-y,1/2-z,1/2-x' '1/2-y,-z,1/2-x' '1/2-y,1/2-z,-x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Fe1 0.50000 0.50000 0.50000 0.51900 Ni1 0.50000 0.50000 0.50000 0.48100 Fe2 0.12500 0.12500 0.12500 0.46400 Ni2 0.12500 0.12500 0.12500 0.53600 S1 0.25000 0.25000 0.25000 1.00000 S2 0.25000 0.00000 0.00000 1.00000