data_[La20Pm8Sm4Mg4]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.6747]
_cell_length_b [20.2764]
_cell_length_c [11.0876]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [La5Pm2SmMg]
_chemical_formula_sum '[La20 Pm8 Sm4 Mg4]'
_cell_volume [1275.7682]
_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  8  0.0000  0.2862  0.0500  1
  La  La1  4  0.0000  0.0110  0.7500  1
  La  La2  4  0.0000  0.3786  0.7500  1
  La  La3  4  0.0000  0.5000  0.0000  1
  Pm  Pm4  8  0.0000  0.1151  0.0376  1
  Sm  Sm5  4  0.0000  0.1929  0.7500  1
  Mg  Mg6  4  0.0000  0.4053  0.2500  1
]