data_[Pm6Tm2Tl4]
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 [Pmc2_1]
_cell_length_a [5.1987]
_cell_length_b [10.2331]
_cell_length_c [6.8154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Pm3TmTl2]
_chemical_formula_sum '[Pm6 Tm2 Tl4]'
_cell_volume [362.5690]
_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  2  0.0000  0.0370  0.4544  1
  Pm  Pm1  2  0.0000  0.3229  0.8153  1
  Pm  Pm2  2  0.5000  0.1893  0.1858  1
  Tm  Tm3  2  0.5000  0.4621  0.5412  1
  Tl  Tl4  2  0.0000  0.3636  0.2960  1
  Tl  Tl5  2  0.5000  0.1389  0.7075  1
]