data_[La8Sm20Er4Tm4]
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
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6855]
_cell_length_b [20.2376]
_cell_length_c [10.7740]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [La2Sm5ErTm]
_chemical_formula_sum '[La8 Sm20 Er4 Tm4]'
_cell_volume [1239.6653]
_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  0.1134  0.7347  1
  La  La1  4  0.0000  0.1167  0.3169  1
  Sm  Sm2  4  0.0000  0.0157  0.0201  1
  Sm  Sm3  4  0.0000  0.2786  0.3108  1
  Sm  Sm4  4  0.0000  0.2973  0.7035  1
  Sm  Sm5  4  0.0000  0.3844  0.0211  1
  Sm  Sm6  4  0.0000  0.4821  0.7427  1
  Er  Er7  4  0.0000  0.1997  0.0104  1
  Tm  Tm8  4  0.0000  0.4080  0.4637  1
]