data_[Sr4Sn2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6352]
_cell_length_b [4.6705]
_cell_length_c [9.8044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3649]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sr2SnPb]
_chemical_formula_sum '[Sr4 Sn2 Pb2]'
_cell_volume [291.5243]
_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  0.2078  0.2500  0.4356  1.0
  Sr  Sr1  2  0.3058  0.7500  0.0705  1.0
  Sn  Sn2  2  0.3688  0.7500  0.7115  1.0
  Pb  Pb3  2  0.1219  0.2500  0.7912  1.0
]