data_[Ba2Si2Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Si  1.9000  1.1000  0.5400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2170]
_cell_length_b [5.8539]
_cell_length_c [7.5041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.7643]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [BaSiPbO4]
_chemical_formula_sum '[Ba2 Si2 Pb2 O8]'
_cell_volume [249.9432]
_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
[
  Ba  Ba0  2  0.2947  0.7500  0.0450  1.0
  Si  Si1  2  0.2720  0.2500  0.2955  1.0
  Pb  Pb2  2  0.1924  0.7500  0.4839  1.0
  O  O3  4  0.0955  0.0238  0.2350  1.0
  O  O4  2  0.4351  0.2500  0.1666  1.0
  O  O5  2  0.4419  0.2500  0.5316  1.0
]