data_global _chemical_name_mineral 'Tetrarooseveltite' loop_ _publ_author_name 'Mooney R C L' _journal_name_full 'Acta Crystallographica' _journal_volume 1 _journal_year 1948 _journal_page_first 163 _journal_page_last 165 _publ_section_title ; Crystal structure of tetragonal bismuth arsenate, BiAsO4 ; _database_code_amcsd 0009135 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Bi As O4' _cell_length_a 5.08 _cell_length_b 5.08 _cell_length_c 11.70 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 301.935 _exptl_crystal_density_diffrn 7.653 _symmetry_space_group_name_H-M 'I 41/a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2+y,1/2-x,1/2-z' '+y,-x,-z' '-y,1/2+x,1/4+z' '1/2-y,+x,3/4+z' '1/2+x,y,3/4-z' '+x,1/2+y,1/4-z' '1/2-x,1/2-y,1/2+z' '-x,-y,+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' '1/2+y,-x,3/4+z' '+y,1/2-x,1/4+z' '-x,1/2-y,1/4-z' '1/2-x,-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Bi3+ 0.00000 0.00000 0.50000 As 0.00000 0.00000 0.00000 O 0.21300 0.14900 0.08000