data_[La4Sm8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [5.8746]
_cell_length_b [12.6522]
_cell_length_c [7.3385]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [LaSm2Tm]
_chemical_formula_sum '[La4 Sm8 Tm4]'
_cell_volume [545.4460]
_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  0.2500  0.3343  0.5638  1.0
  Sm  Sm1  4  0.2500  0.0819  0.8120  1.0
  Sm  Sm2  4  0.2500  0.3349  0.0649  1.0
  Tm  Tm3  4  0.2500  0.0823  0.3168  1.0
]