data_[Pm16Pr8Nd6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.7606]
_cell_length_b [13.0813]
_cell_length_c [6.9644]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.3843]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8Pr4Nd3]
_chemical_formula_sum '[Pm16 Pr8 Nd6]'
_cell_volume [1081.4536]
_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  0.0000  0.2573  0.5000  1
  Pm  Pm1  4  0.0000  0.3564  0.0000  1
  Pm  Pm2  4  0.2310  0.5000  0.4619  1
  Pm  Pm3  4  0.2343  0.5000  0.9920  1
  Pr  Pr4  4  0.2500  0.2500  0.5000  1
  Pr  Pr5  2  0.0000  0.0000  0.0000  1
  Pr  Pr6  2  0.0000  0.0000  0.5000  1
  Nd  Nd7  4  0.2500  0.2500  0.0000  1
  Nd  Nd8  2  0.0000  0.5000  0.5000  1
]