data_[Pm4Nd10Tl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/m]
_cell_length_a [12.0172]
_cell_length_b [5.2497]
_cell_length_c [12.7104]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4375]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2(NdTl)5]
_chemical_formula_sum '[Pm4 Nd10 Tl10]'
_cell_volume [756.1513]
_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
[
  Pm  Pm0  4  0.0616  0.0000  0.7648  1
  Nd  Nd1  4  0.1512  0.5000  0.2861  1
  Nd  Nd2  4  0.1534  0.5000  0.0076  1
  Nd  Nd3  2  0.0000  0.5000  0.5000  1
  Tl  Tl4  4  0.1589  0.0000  0.4662  1
  Tl  Tl5  4  0.2250  0.5000  0.7772  1
  Tl  Tl6  2  0.0000  0.0000  0.0000  1
]