data_[Pm14Tl2Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.7294]
_cell_length_b [5.8614]
_cell_length_c [8.9988]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4858]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm7TlPb4]
_chemical_formula_sum '[Pm14 Tl2 Pb8]'
_cell_volume [768.1070]
_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  0.0668  0.0000  0.7209  1
  Pm  Pm1  4  0.1622  0.0000  0.3927  1
  Pm  Pm2  4  0.2153  0.5000  0.8320  1
  Pm  Pm3  2  0.0000  0.5000  0.0000  1
  Tl  Tl4  2  0.0000  0.0000  0.0000  1
  Pb  Pb5  4  0.0634  0.5000  0.4137  1
  Pb  Pb6  4  0.2188  0.5000  0.2018  1
]