data_[Li2Y4Pb2Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Y  1.2200  1.8000  1.0400
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6222]
_cell_length_b [4.2175]
_cell_length_c [8.1310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0669]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiY2PbSe]
_chemical_formula_sum '[Li2 Y4 Pb2 Se2]'
_cell_volume [248.4977]
_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
[
  Li  Li0  2  0.4576  0.7500  0.3605  1.0
  Y  Y1  2  0.1184  0.2500  0.3918  1.0
  Y  Y2  2  0.2617  0.2500  0.9705  1.0
  Pb  Pb3  2  0.3273  0.7500  0.6984  1.0
  Se  Se4  2  0.1477  0.7500  0.1642  1.0
]