data_Pb2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.78
_cell_length_b   4.78
_cell_length_c   25.53
_cell_angle_alpha   90.0
_cell_angle_beta   90.69
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Pb2O3
_chemical_formula_sum   'Pb4 O6'
_cell_volume   582.26
_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
  Pb  Pb0  1  0.75  0.75  0.5  1.0
  Pb  Pb1  1  0.25  0.25  0.5  1.0
  Pb  Pb2  1  0.74  0.25  0.39  1.0
  Pb  Pb3  1  0.26  0.75  0.61  1.0
  O  O4  1  0.74  0.75  0.42  1.0
  O  O5  1  0.75  0.25  0.49  1.0
  O  O6  1  0.25  0.75  0.51  1.0
  O  O7  1  0.76  0.75  0.58  1.0
  O  O8  1  0.26  0.25  0.58  1.0
  O  O9  1  0.24  0.25  0.42  1.0

Pb Pb Pb Pb O O O O O O 0 5 o o o 0 5 o + o 0 4 o o o 0 6 o o o 0 6 + o o 0 7 o o o 1 9 o o o 1 5 - o o 1 5 o o o 1 6 o - o 1 6 o o o 1 8 o o o 2 9 o o o 2 9 + o o 2 4 o - o 2 4 o o o 2 5 o o o 3 8 o o o 3 8 o + o 3 6 o o o 3 7 - o o 3 7 o o o 
data_Pb2O3
_symmetry_space_group_name_H-M   P4/nmm
_cell_length_a   4.78
_cell_length_b   4.78
_cell_length_c   25.53
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   129
_chemical_formula_structural   Pb2O3
_chemical_formula_sum   'Pb4 O6'
_cell_volume   582.3
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y+1/2, x+1/2, z'
  3  '-x, -y, z'
  4  'y+1/2, -x+1/2, z'
  5  'x+1/2, -y+1/2, -z'
  6  '-y, -x, -z'
  7  '-x+1/2, y+1/2, -z'
  8  'y, x, -z'
  9  '-x+1/2, -y+1/2, -z'
  10  'y, -x, -z'
  11  'x+1/2, y+1/2, -z'
  12  '-y, x, -z'
  13  '-x, y, z'
  14  'y+1/2, x+1/2, z'
  15  'x, -y, z'
  16  '-y+1/2, -x+1/2, 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
  Pb  Pb0  2  0.0  0.0  0.5  1.0
  Pb  Pb1  2  0.0  0.5  0.39  1.0
  O  O2  4  0.0  0.0  0.42  1.0
  O  O3  2  0.0  0.5  0.49  1.0
