data_[Pm8Nd20Sc8]
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
  Sc  1.3600  1.6000  0.8850
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.5779]
_cell_length_b [21.0743]
_cell_length_c [10.0674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Pm2Nd5Sc2]
_chemical_formula_sum '[Pm8 Nd20 Sc8]'
_cell_volume [1183.4187]
_cell_formula_units_Z [4]
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  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.0000  0.2500  0.5580  1
  Nd  Nd2  8  0.0000  0.1106  0.3636  1
  Nd  Nd3  8  0.0000  0.1565  0.8711  1
  Nd  Nd4  4  0.0000  0.2500  0.1602  1
  Sc  Sc5  8  0.0000  0.0453  0.6618  1
]