data_[Ta4Tl2Te2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.3824]
_cell_length_b [6.9792]
_cell_length_c [6.5813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6754]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ta2TlTeO8]
_chemical_formula_sum '[Ta4 Tl2 Te2 O16]'
_cell_volume [338.7196]
_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
[
  Ta  Ta0  4  0.0241  0.5000  0.7481  1
  Tl  Tl1  2  0.0000  0.0000  0.5000  1
  Te  Te2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0233  0.2243  0.2246  1
  O  O4  4  0.1684  0.5000  0.5163  1
  O  O5  4  0.1892  0.5000  0.9873  1
]