data_[La4Pm2Nd2Tl4]
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
  Nd  1.1400  1.8500  1.2765
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.2470]
_cell_length_b [10.4991]
_cell_length_c [6.9504]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [La2PmNdTl2]
_chemical_formula_sum '[La4 Pm2 Nd2 Tl4]'
_cell_volume [382.8877]
_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  2  0.0000  0.1785  0.8110  1
  La  La1  2  0.5000  0.0578  0.5894  1
  Pm  Pm2  2  0.5000  0.3078  0.1786  1
  Nd  Nd3  2  0.0000  0.4570  0.4531  1
  Tl  Tl4  2  0.0000  0.1415  0.2977  1
  Tl  Tl5  2  0.5000  0.3800  0.7159  1
]