data_[Nd4Ta8O24F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.3805]
_cell_length_b [7.5906]
_cell_length_c [10.4536]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NdTa2O6F]
_chemical_formula_sum '[Nd4 Ta8 O24 F4]'
_cell_volume [585.6359]
_cell_formula_units_Z [4]
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
[
  Nd  Nd0  4  0.0000  0.0000  0.5000  1.0
  Ta  Ta1  4  0.0000  0.0000  0.0000  1.0
  Ta  Ta2  4  0.2500  0.2500  0.7500  1.0
  O  O3  16  0.2016  0.4349  0.8793  1.0
  O  O4  4  0.0000  0.2500  0.0530  1.0
  O  O5  4  0.0000  0.2500  0.6737  1.0
  F  F6  4  0.0000  0.2500  0.3846  1.0
]