data_[La4Pm20Sm4]
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 [C2/c]
_cell_length_a [12.0684]
_cell_length_b [6.9765]
_cell_length_c [12.4885]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3535]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [LaPm5Sm]
_chemical_formula_sum '[La4 Pm20 Sm4]'
_cell_volume [979.2880]
_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  0.0000  0.0299  0.7500  1
  Pm  Pm1  8  0.0774  0.2728  0.9995  1
  Pm  Pm2  8  0.2193  0.3742  0.7498  1
  Pm  Pm3  4  0.0000  0.4075  0.2500  1
  Sm  Sm4  4  0.2500  0.2500  0.5000  1
]