data_[Gd8Hf4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Hf  1.3000  1.5500  0.8500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.0242]
_cell_length_b [5.5293]
_cell_length_c [7.7088]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.5867]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Gd2HfO5]
_chemical_formula_sum '[Gd8 Hf4 O20]'
_cell_volume [469.7091]
_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
[
  Gd  Gd0  8  0.1418  0.4899  0.7587  1.0
  Hf  Hf1  4  0.0000  0.0000  0.0000  1.0
  O  O2  8  0.0755  0.3221  0.4610  1.0
  O  O3  8  0.1712  0.1562  0.1429  1.0
  O  O4  4  0.0000  0.1703  0.7500  1.0
]