data_[Tm6Tl2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.2132]
_cell_length_b [6.1269]
_cell_length_c [13.3386]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Tm3TlTe2]
_chemical_formula_sum '[Tm6 Tl2 Te4]'
_cell_volume [344.3188]
_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
[
  Tm  Tm0  4  0.0000  0.5000  0.1616  1.0
  Tm  Tm1  2  0.0000  0.5000  0.5000  1.0
  Tl  Tl2  2  0.0000  0.0000  0.5000  1.0
  Te  Te3  4  0.0000  0.0000  0.1698  1.0
]