data_[Bi4As4Pb4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4008]
_cell_length_b [5.6247]
_cell_length_c [7.2426]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.7881]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [BiAsPbO5]
_chemical_formula_sum '[Bi4 As4 Pb4 O20]'
_cell_volume [506.9124]
_cell_formula_units_Z [4]
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  4  0.0135  0.0000  0.2499  1.0
  As  As1  4  0.1648  0.5000  0.6517  1.0
  Pb  Pb2  4  0.1621  0.5000  0.1201  1.0
  O  O3  8  0.1418  0.2522  0.7731  1.0
  O  O4  4  0.0000  0.2361  0.0000  1.0
  O  O5  4  0.0910  0.5000  0.4014  1.0
  O  O6  4  0.1983  0.0000  0.2951  1.0
]