data_global _chemical_name_mineral 'Troilite 2H' loop_ _publ_author_name 'Bertaut F' _journal_name_full 'Journal de Physique et du Radium' _journal_volume 15 _journal_year 1954 _journal_page_first 775 _journal_page_last 775 _publ_section_title ; La structure de sulfure de fer _cod_database_code 1009043 ; _database_code_amcsd 0016904 _chemical_formula_sum 'Fe S' _cell_length_a 5.968 _cell_length_b 5.968 _cell_length_c 11.74 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 362.123 _exptl_crystal_density_diffrn 4.838 _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 Fe1 0.36000 0.04000 0.12500 S1 0.00000 0.00000 0.00000 S2 0.33333 0.66667 0.01600 S3 0.66667 0.00000 0.25000