data_[Y4Hf4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Hf  1.3000  1.5500  0.8500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.8993]
_cell_length_b [9.6153]
_cell_length_c [5.5752]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1260]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Y2Hf2O7]
_chemical_formula_sum '[Y4 Hf4 O14]'
_cell_volume [364.0915]
_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
[
  Y  Y0  4  0.0000  0.3091  0.0000  1.0
  Hf  Hf1  4  0.2438  0.5000  0.6026  1.0
  O  O2  8  0.2312  0.1713  0.1998  1.0
  O  O3  4  0.0591  0.5000  0.2730  1.0
  O  O4  2  0.0000  0.0000  0.5000  1.0
]