data_global
_amcsd_formula_title 'Bi2 O3'
loop_
_publ_author_name
'Sillen L'
_journal_name_full 'Arkiv for Kemi, Mineralogi och Geologi'
_journal_volume A12 
_journal_year 1938
_journal_page_first 1
_journal_page_last 15
_publ_section_title
;
 X-Ray Studies on Bismuth Trioxide
 _cod_database_code 1010312
;
_database_code_amcsd 0017238
_chemical_formula_sum 'Bi2 O3'
_cell_length_a 10.93
_cell_length_b 10.93
_cell_length_c 5.62
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 671.393
_exptl_crystal_density_diffrn      9.220
_symmetry_space_group_name_H-M 'C -4 2 b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '1/2+y,x,z'
  '+y,1/2+x,z'
  '1/2-x,y,-z'
  '-x,1/2+y,-z'
  '1/2-y,-x,z'
  '-y,1/2-x,z'
  '1/2+x,-y,-z'
  '+x,1/2-y,-z'
  'y,-x,-z'
  '1/2+y,1/2-x,-z'
  '-x,-y,z'
  '1/2-x,1/2-y,z'
  '-y,x,-z'
  '1/2-y,1/2+x,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Bi1   0.13620   0.11380   0.25000
O1   0.02240   0.25000   0.00000
O2   0.02240   0.25000   0.50000
O3   0.25000   0.25000   0.00000
O4   0.00000   0.00000   0.50000