data_global _amcsd_formula_title 'F2 H5 N' loop_ _publ_author_name 'Pauling L' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 85 _journal_year 1933 _journal_page_first 380 _journal_page_last 391 _publ_section_title ; The crystal structure of ammonium hydrogen fluoride N H4 H F2 _cod_database_code 1010616 ; _database_code_amcsd 0017498 _chemical_formula_sum 'N F2' _cell_length_a 8.33 _cell_length_b 8.14 _cell_length_c 3.68 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 249.527 _exptl_crystal_density_diffrn 1.384 _symmetry_space_group_name_H-M 'P m a n' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '-x,y,z' 'x,-y,-z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z N1 0.25000 0.25000 0.56000 F1 0.14200 0.00000 0.00000 F2 0.50000 0.13200 0.13500