data_[Pm10Nd2Pb10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.5730]
_cell_length_b [6.3986]
_cell_length_c [8.7952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4300]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm5NdPb5]
_chemical_formula_sum '[Pm10 Nd2 Pb10]'
_cell_volume [782.4701]
_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  4  0.1653  0.5000  0.3352  1
  Pm  Pm1  4  0.1680  0.5000  0.8335  1
  Pm  Pm2  2  0.0000  0.0000  0.5000  1
  Nd  Nd3  2  0.0000  0.0000  0.0000  1
  Pb  Pb4  4  0.1655  0.0000  0.8282  1
  Pb  Pb5  4  0.1655  0.0000  0.3364  1
  Pb  Pb6  2  0.0000  0.5000  0.0000  1
]