data_[Pm2Nd10Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.5732]
_cell_length_b [5.4797]
_cell_length_c [7.3048]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.1402]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmNd5Sn4]
_chemical_formula_sum '[Pm2 Nd10 Sn8]'
_cell_volume [663.3978]
_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  2  0.0000  0.5000  0.0000  1
  Nd  Nd1  4  0.1661  0.0000  0.4937  1
  Nd  Nd2  4  0.1665  0.0000  0.0076  1
  Nd  Nd3  2  0.0000  0.5000  0.5000  1
  Sn  Sn4  4  0.0084  0.0000  0.7519  1
  Sn  Sn5  4  0.1751  0.5000  0.2498  1
]