data_Bi2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.6
_cell_length_b   7.46
_cell_length_c   23.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   112.26
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2O3
_chemical_formula_sum   'Bi4 O6'
_cell_volume   902.81
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Bi  Bi0  1  0.09  0.29  0.94  1.0
  Bi  Bi1  1  0.5  0.86  0.99  1.0
  Bi  Bi2  1  0.91  0.71  0.91  1.0
  Bi  Bi3  1  0.5  0.14  0.86  1.0
  O  O4  1  0.26  0.0  0.94  1.0
  O  O5  1  0.74  0.69  0.99  1.0
  O  O6  1  0.26  0.31  0.86  1.0
  O  O7  1  0.78  0.37  0.91  1.0
  O  O8  1  0.22  0.63  0.95  1.0
  O  O9  1  0.74  1.0  0.92  1.0

Bi Bi Bi Bi O O O O O O 0 9 - - o 0 7 - o o 0 8 o o o 0 6 o o o 0 4 o o o 1 8 o o o 1 4 o + o 1 5 o o o 1 9 o o o 2 5 o o o 2 7 o o o 2 8 + o o 2 4 + + o 2 9 o o o 3 4 o o o 3 6 o o o 3 9 o - o 3 7 o o o 4 6 o o o 4 9 o - o 4 8 o - o 5 9 o o o 7 9 o - o 
data_Bi2O3
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.6
_cell_length_b   7.44
_cell_length_c   23.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   111.93
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Bi2O3
_chemical_formula_sum   'Bi4 O6'
_cell_volume   902.81
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, -z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Bi  Bi0  2  0.2  0.29  0.02  1.0
  Bi  Bi1  2  0.36  0.86  0.06  1.0
  O  O2  2  0.05  0.31  0.94  1.0
  O  O3  2  0.26  1.0  0.99  1.0
  O  O4  2  0.41  0.63  0.02  1.0
