data_global _amcsd_formula_title 'BN' loop_ _publ_author_name 'Brager A' _journal_name_full 'Acta Physicochimica' _journal_volume 7 _journal_year 1937 _journal_page_first 699 _journal_page_last 706 _publ_section_title ; An X-ray examination of the structure of boron nitride _cod_database_code 1010602 ; _database_code_amcsd 0017485 _chemical_formula_sum 'B N' _cell_length_a 2.51 _cell_length_b 2.51 _cell_length_c 6.69 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 36.501 _exptl_crystal_density_diffrn 2.258 _symmetry_space_group_name_H-M 'P -6' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,-z' '-y,x-y,z' 'x,y,-z' '-x+y,-x,z' '-y,x-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z B1 0.00000 0.00000 0.50000 B2 0.33333 0.66667 0.00000 N1 0.00000 0.00000 0.00000 N2 0.66667 0.33333 0.50000