data_[Y4Sn2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  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 [6.2056]
_cell_length_b [4.3712]
_cell_length_c [8.9218]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0865]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Y2SnPb]
_chemical_formula_sum '[Y4 Sn2 Pb2]'
_cell_volume [228.7052]
_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
[
  Y  Y0  2  0.2061  0.2500  0.4372  1.0
  Y  Y1  2  0.3088  0.7500  0.0690  1.0
  Sn  Sn2  2  0.3912  0.7500  0.7017  1.0
  Pb  Pb3  2  0.1013  0.2500  0.7997  1.0
]