data_[Ba1Ca1Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ca  1.0000  1.8000  1.1400
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.6344]
_cell_length_b [4.8481]
_cell_length_c [7.7927]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [BaCaPb2]
_chemical_formula_sum '[Ba1 Ca1 Pb2]'
_cell_volume [137.3066]
_cell_formula_units_Z [1]
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  1  0.5000  0.5000  0.0000  1.0
  Ca  Ca1  1  0.5000  0.5000  0.5000  1.0
  Pb  Pb2  2  0.0000  0.0000  0.2871  1.0
]