data_global _chemical_name_mineral 'Siderazot' loop_ _publ_author_name 'Hendricks S B' 'Kosting P R' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 74 _journal_year 1930 _journal_page_first 511 _journal_page_last 533 _publ_section_title ; The crystal structure of Fe2P, Fe2N, Fe3N and FeB ; _database_code_amcsd 0010502 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe3 N' _cell_length_a 4.668 _cell_length_b 4.668 _cell_length_c 4.362 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 82.315 _exptl_crystal_density_diffrn 7.325 _symmetry_space_group_name_H-M 'P 3 1 2' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,y,-z' '-y,x-y,z' '-y,-x,-z' '-x+y,-x,z' 'x,x-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe 0.00000 0.33333 0.25000 N1 0.00000 0.00000 0.00000 N2 0.33333 0.66667 0.50000