data_[Pm4Tl6Ag2Te12]
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
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.7368]
_cell_length_b [13.5040]
_cell_length_c [8.2438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.5980]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Tl3AgTe6]
_chemical_formula_sum '[Pm4 Tl6 Ag2 Te12]'
_cell_volume [816.3087]
_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  0.0000  0.3377  0.0000  1
  Tl  Tl1  4  0.0000  0.1833  0.5000  1
  Tl  Tl2  2  0.0000  0.5000  0.5000  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
  Te  Te4  8  0.2295  0.1610  0.2172  1
  Te  Te5  4  0.2498  0.5000  0.2374  1
]