data_[Ta2Tl4O7]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.1391]
_cell_length_b [6.1391]
_cell_length_c [7.8695]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ta2Tl4O7]
_chemical_formula_sum '[Ta2 Tl4 O7]'
_cell_volume [256.8535]
_cell_formula_units_Z [1]
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  2  0.0000  0.0000  0.2558  1
  Tl  Tl1  2  0.3333  0.6667  0.0780  1
  Tl  Tl2  2  0.3333  0.6667  0.5992  1
  O  O3  6  0.1651  0.3302  0.8162  1
  O  O4  1  0.0000  0.0000  0.5000  1
]