data_global _chemical_name_mineral 'Barite' loop_ _publ_author_name 'Miyake M' 'Minato I' 'Morikawa H' 'Iwai S I' _journal_name_full 'American Mineralogist' _journal_volume 63 _journal_year 1978 _journal_page_first 506 _journal_page_last 510 _publ_section_title ; Crystal structure and sulphate force constants of barite, celesite, and anglesite ; _database_code_amcsd 0000662 _chemical_formula_sum 'Ba S O4' _cell_length_a 7.157 _cell_length_b 8.884 _cell_length_c 5.457 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 346.971 _exptl_crystal_density_diffrn 4.468 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-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 Ba 0.15850 0.18450 0.25000 S 0.19110 0.43750 0.75000 O1 0.10600 0.58780 0.75000 O2 0.04940 0.31770 0.75000 O3 0.31140 0.41990 0.97020 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ba 0.01090 0.01080 0.01312 -0.00064 0.00000 0.00000 S 0.00960 0.01120 0.00935 -0.00032 0.00000 0.00000 O1 0.02335 0.01719 0.02565 0.00837 0.00000 0.00000 O2 0.01012 0.03519 0.02112 -0.00966 0.00000 0.00000 O3 0.01401 0.01919 0.01071 -0.00097 -0.00237 0.00025