data_global _amcsd_formula_title 'BrN2C4O4' loop_ _publ_author_name 'Barney E' _journal_name_full 'American Mineralogist' _journal_volume 32 _journal_year 1947 _journal_page_first 685 _journal_page_last 685 _publ_section_title ; The structure of diglycine hydrobromide ; _database_code_amcsd 0000044 _chemical_formula_sum 'C4 N2 Br O4' _cell_length_a 8.21 _cell_length_b 18.42 _cell_length_c 5.40 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 816.632 _exptl_crystal_density_diffrn 1.789 _symmetry_space_group_name_H-M 'P 21 21 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z C 0.08900 0.38000 0.83300 C 0.10600 0.43000 0.12000 C 0.42300 0.28300 0.51700 C 0.06500 0.17200 0.37300 N 0.26800 0.43000 0.15800 N 0.14500 0.19300 0.15800 Br 0.17800 0.03500 0.83300 O 0.47000 0.11200 0.31700 O 0.19600 0.33300 0.84200 O 0.47500 0.21300 0.65000 O 0.42300 0.28300 0.35000