data_[Li4Hf2Ta4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Hf  1.3000  1.5500  0.8500
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.0887]
_cell_length_b [19.2251]
_cell_length_c [3.8671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Li2HfTa2O7]
_chemical_formula_sum '[Li4 Hf2 Ta4 O14]'
_cell_volume [303.9783]
_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
[
  Li  Li0  4  0.0000  0.2455  0.4720  1
  Hf  Hf1  2  0.0000  0.0000  0.3405  1
  Ta  Ta2  4  0.0000  0.3813  0.9802  1
  O  O3  4  0.0000  0.1094  0.4660  1
  O  O4  4  0.0000  0.2829  0.9713  1
  O  O5  4  0.0000  0.3951  0.4726  1
  O  O6  2  0.0000  0.5000  0.9368  1
]