data_global _chemical_name_mineral 'Troilite' loop_ _publ_author_name 'King H E' 'Prewitt C T' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 38 _journal_year 1982 _journal_page_first 1877 _journal_page_last 1887 _publ_section_title ; High-pressure and high-temperature polymorphism of iron sulfides (FeS) Sample: T = 393 K, P = 0.0001 GPa ; _database_code_amcsd 0009770 _chemical_formula_sum 'Fe S' _cell_length_a 5.999 _cell_length_b 5.999 _cell_length_c 11.71 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 364.960 _exptl_crystal_density_diffrn 4.800 _symmetry_space_group_name_H-M 'P -6 2 c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' '-x+y,-x,1/2-z' 'y,x,-z' '-y,x-y,z' 'x-y,-y,1/2+z' 'x,y,1/2-z' '-x,-x+y,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,x-y,1/2-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe 0.37390 0.05020 0.12300 0.02166 S1 0.00000 0.00000 0.00000 0.01216 S2 0.33333 0.66667 0.01860 0.01520 S3 0.66580 -0.00300 0.25000 0.01646 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Fe 0.02338 0.02010 0.02501 0.01326 -0.00031 0.00092 S1 0.01340 0.01340 0.00973 0.00670 0.00000 0.00000 S2 0.01217 0.01217 0.02223 0.00608 0.00000 0.00000 S3 0.01367 0.01203 0.02154 0.00643 0.00000 0.00000