data_[La4Gd2Ta4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Gd  1.2000  1.8000  1.0750
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.9997]
_cell_length_b [3.9997]
_cell_length_c [19.7046]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [La2GdTa2O6]
_chemical_formula_sum '[La4 Gd2 Ta4 O12]'
_cell_volume [315.2231]
_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
[
  La  La0  4  0.0000  0.0000  0.1827  1
  Gd  Gd1  2  0.0000  0.0000  0.0000  1
  Ta  Ta2  4  0.0000  0.0000  0.4333  1
  O  O3  8  0.0000  0.5000  0.0911  1
  O  O4  4  0.0000  0.0000  0.2948  1
]