data_[Pm16Sn10Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [9.5465]
_cell_length_b [9.5465]
_cell_length_c [9.5546]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Pm8Sn5Pb]
_chemical_formula_sum '[Pm16 Sn10 Pb2]'
_cell_volume [870.7558]
_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
[
  Pm  Pm0  8  0.0698  0.1785  0.8053  1
  Pm  Pm1  8  0.0701  0.3187  0.4426  1
  Sn  Sn2  8  0.1253  0.2501  0.1241  1
  Sn  Sn3  2  0.0000  0.0000  0.5000  1
  Pb  Pb4  2  0.0000  0.5000  0.7500  1
]