data_[Pm6Tl2Pb6]
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 [P6_3/m]
_cell_length_a [9.1067]
_cell_length_b [9.1067]
_cell_length_c [5.9004]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Pm3TlPb3]
_chemical_formula_sum '[Pm6 Tl2 Pb6]'
_cell_volume [423.7722]
_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  6  0.0893  0.4472  0.7500  1
  Tl  Tl1  2  0.3333  0.6667  0.2500  1
  Pb  Pb2  6  0.0552  0.2553  0.2500  1
]