data_[Hf2Mg2W2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Mg  1.3100  1.5000  0.8600
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [4.7916]
_cell_length_b [4.7916]
_cell_length_c [9.3406]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [HfMgWO6]
_chemical_formula_sum '[Hf2 Mg2 W2 O12]'
_cell_volume [214.4533]
_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
[
  Hf  Hf0  2  0.0000  0.0000  0.6692  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0003  1.0
  W  W2  2  0.0000  0.0000  0.3333  1.0
  O  O3  4  0.1898  0.8102  0.4899  1.0
  O  O4  4  0.1936  0.8064  0.1789  1.0
  O  O5  4  0.2102  0.7898  0.8297  1.0
]