data_[Pm14Nd2Sm8]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.3219]
_cell_length_b [6.0481]
_cell_length_c [9.4517]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.0545]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm7NdSm4]
_chemical_formula_sum '[Pm14 Nd2 Sm8]'
_cell_volume [838.2190]
_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  0.0830  0.0000  0.4438  1
  Pm  Pm1  4  0.2087  0.0000  0.2289  1
  Pm  Pm2  4  0.2138  0.0000  0.8793  1
  Pm  Pm3  2  0.0000  0.5000  0.0000  1
  Nd  Nd4  2  0.0000  0.0000  0.0000  1
  Sm  Sm5  4  0.0737  0.5000  0.6985  1
  Sm  Sm6  4  0.1723  0.5000  0.3887  1
]