data_[La10Pm10Tl4]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5507]
_cell_length_b [5.4996]
_cell_length_c [12.9421]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6255]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La5Pm5Tl2]
_chemical_formula_sum '[La10 Pm10 Tl4]'
_cell_volume [821.2699]
_cell_formula_units_Z [2]
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  0.0834  0.5000  0.3097  1
  La  La1  4  0.1550  0.5000  0.0093  1
  La  La2  2  0.0000  0.0000  0.5000  1
  Pm  Pm3  4  0.1250  0.0000  0.7646  1
  Pm  Pm4  4  0.1997  0.5000  0.5749  1
  Pm  Pm5  2  0.0000  0.0000  0.0000  1
  Tl  Tl6  4  0.1849  0.0000  0.1962  1
]