data_[La4Pm14Pr4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.6648]
_cell_length_b [18.4757]
_cell_length_c [11.6662]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [La2Pm7Pr2]
_chemical_formula_sum '[La4 Pm14 Pr4]'
_cell_volume [789.9086]
_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
[
  La  La0  4  0.0000  0.2944  0.5862  1
  Pm  Pm1  4  0.0000  0.1609  0.3239  1
  Pm  Pm2  4  0.0000  0.1706  0.8420  1
  Pm  Pm3  4  0.0000  0.3729  0.0860  1
  Pr  Pr4  2  0.0000  0.0000  0.7585  1
  Pm  Pm5  2  0.0000  0.5000  0.5507  1
  Pr  Pr6  2  0.0000  0.5000  0.8685  1
]