data_[Sr2Ca2Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ca  1.0000  1.8000  1.1400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.0657]
_cell_length_b [3.4870]
_cell_length_c [10.0868]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4031]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [SrCaPbO4]
_chemical_formula_sum '[Sr2 Ca2 Pb2 O8]'
_cell_volume [213.3416]
_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
[
  Sr  Sr0  2  0.4239  0.5000  0.8155  1.0
  Ca  Ca1  2  0.0739  0.5000  0.3213  1.0
  Pb  Pb2  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb3  1  0.5000  0.0000  0.5000  1.0
  O  O4  2  0.1221  0.0000  0.7981  1.0
  O  O5  2  0.2311  0.5000  0.0483  1.0
  O  O6  2  0.2636  0.5000  0.5499  1.0
  O  O7  2  0.3505  0.0000  0.3065  1.0
]