data_[Sr4Y4Pb4S2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Y  1.2200  1.8000  1.0400
  Pb  2.3300  1.8000  1.1225
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [5.1863]
_cell_length_b [5.1863]
_cell_length_c [17.4879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Sr2Y2Pb2S]
_chemical_formula_sum '[Sr4 Y4 Pb4 S2]'
_cell_volume [470.3844]
_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  4  0.0000  0.0000  0.1755  1.0
  Y  Y1  4  0.0000  0.5000  0.0000  1.0
  Pb  Pb2  4  0.0000  0.0000  0.3748  1.0
  S  S3  2  0.0000  0.0000  0.0000  1.0
]