data_[La4Pm12Pr4]
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 [C2/m]
_cell_length_a [26.3564]
_cell_length_b [3.6904]
_cell_length_c [7.3515]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6906]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LaPm3Pr]
_chemical_formula_sum '[La4 Pm12 Pr4]'
_cell_volume [708.6206]
_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
[
  La  La0  4  0.2000  0.0000  0.8496  1
  Pm  Pm1  4  0.0004  0.0000  0.2484  1
  Pr  Pr2  4  0.0991  0.5000  0.5485  1
  Pm  Pm3  4  0.0992  0.5000  0.0496  1
  Pm  Pm4  4  0.1994  0.0000  0.3496  1
]