data_global _amcsd_formula_title 'N3 Na' loop_ _publ_author_name 'Hendricks S' 'Pauling L' _journal_name_full 'Journal of the American Chemical Society' _journal_volume 47 _journal_year 1925 _journal_page_first 2904 _journal_page_last 2920 _publ_section_title ; The Crystal Structures of Sodium and Potassium Trinitrides and Potassium Cyanate and the Nature of the Trinitride Group _cod_database_code 1010088 ; _database_code_amcsd 0017022 _chemical_formula_sum 'Na N3' _cell_length_a 5.481 _cell_length_b 5.481 _cell_length_c 5.481 _cell_angle_alpha 38.72 _cell_angle_beta 38.72 _cell_angle_gamma 38.72 _cell_volume 57.908 _exptl_crystal_density_diffrn 1.864 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-z,-y' '-z,-x,-y' 'y,x,z' 'y,z,x' '-z,-y,-x' '-x,-y,-z' 'x,z,y' 'z,x,y' '-y,-x,-z' '-y,-z,-x' 'z,y,x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Na1 0.00000 0.00000 0.00000 N1 0.50000 0.50000 0.50000 N2 0.42300 0.42300 0.42300