data_[Sr2Ca2Pb2Cl12]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [6.6724]
_cell_length_b [6.6724]
_cell_length_c [13.1722]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [SrCaPbCl6]
_chemical_formula_sum '[Sr2 Ca2 Pb2 Cl12]'
_cell_volume [586.4420]
_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  0.0000  0.0000  0.6672  1.0
  Ca  Ca1  2  0.0000  0.0000  0.3330  1.0
  Pb  Pb2  2  0.0000  0.0000  0.9995  1.0
  Cl  Cl3  4  0.1908  0.8092  0.4928  1.0
  Cl  Cl4  4  0.1915  0.8085  0.1743  1.0
  Cl  Cl5  4  0.2048  0.7952  0.8329  1.0
]