data_[Pm4Y4Tl14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7104]
_cell_length_b [9.4233]
_cell_length_c [6.1593]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.7107]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Y2Tl7]
_chemical_formula_sum '[Pm4 Y4 Tl14]'
_cell_volume [675.0257]
_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  0.2279  0.5000  0.1830  1
  Y  Y1  4  0.0000  0.1886  0.5000  1
  Tl  Tl2  8  0.2291  0.1671  0.2762  1
  Tl  Tl3  4  0.0382  0.5000  0.7478  1
  Tl  Tl4  2  0.0000  0.0000  0.0000  1
]