data_[La12Pm2Pr4]
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 [9.7772]
_cell_length_b [6.2054]
_cell_length_c [10.8984]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.4540]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La6PmPr2]
_chemical_formula_sum '[La12 Pm2 Pr4]'
_cell_volume [654.0422]
_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  0.0009  0.0000  0.8326  1
  La  La1  4  0.1616  0.5000  0.2700  1
  La  La2  4  0.1658  0.5000  0.6025  1
  Pr  Pr3  4  0.1670  0.5000  0.9385  1
  Pm  Pm4  2  0.0000  0.0000  0.5000  1
]