data_[La1Pm15Sm4]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.1704]
_cell_length_b [5.1704]
_cell_length_c [25.8286]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [LaPm15Sm4]
_chemical_formula_sum '[La1 Pm15 Sm4]'
_cell_volume [690.4851]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.0000  0.5000  0.1014  1
  Pm  Pm2  4  0.0000  0.5000  0.3006  1
  Pm  Pm3  2  0.0000  0.5000  0.5000  1
  Pm  Pm4  2  0.5000  0.5000  0.2014  1
  Pm  Pm5  2  0.5000  0.5000  0.4002  1
  Pm  Pm6  1  0.5000  0.5000  0.0000  1
  Sm  Sm7  2  0.0000  0.0000  0.2007  1
  Sm  Sm8  2  0.0000  0.0000  0.4003  1
]