data_[Sm1Y1Ag2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [4.8257]
_cell_length_b [4.8257]
_cell_length_c [7.4961]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [SmY(AgPb)2]
_chemical_formula_sum '[Sm1 Y1 Ag2 Pb2]'
_cell_volume [151.1755]
_cell_formula_units_Z [1]
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
[
  Sm  Sm0  1  0.0000  0.0000  0.4907  1
  Y  Y1  1  0.0000  0.0000  0.9918  1
  Ag  Ag2  1  0.3333  0.6667  0.6839  1
  Ag  Ag3  1  0.6667  0.3333  0.1770  1
  Pb  Pb4  1  0.3333  0.6667  0.2689  1
  Pb  Pb5  1  0.6667  0.3333  0.7736  1
]