data_[Pm4Tm10Tl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [24.4850]
_cell_length_b [3.4502]
_cell_length_c [7.9084]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.2250]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Tm5Tl4]
_chemical_formula_sum '[Pm4 Tm10 Tl8]'
_cell_volume [665.3183]
_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  0.0956  0.0000  0.7305  1
  Tm  Tm1  4  0.1400  0.0000  0.1447  1
  Tm  Tm2  4  0.2371  0.0000  0.8139  1
  Tm  Tm3  2  0.0000  0.5000  0.0000  1
  Tl  Tl4  4  0.0373  0.0000  0.3473  1
  Tl  Tl5  4  0.1796  0.5000  0.4812  1
]