data_[Tm2Tl4Cu4Te8]
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
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.6005]
_cell_length_b [4.1754]
_cell_length_c [8.5693]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7525]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TmTl2(CuTe2)2]
_chemical_formula_sum '[Tm2 Tl4 Cu4 Te8]'
_cell_volume [528.5631]
_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  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl1  4  0.1308  0.0000  0.5539  1.0
  Cu  Cu2  4  0.1861  0.5000  0.9919  1.0
  Te  Te3  4  0.0240  0.5000  0.7612  1.0
  Te  Te4  4  0.2034  0.0000  0.1890  1.0
]