data_[Hf2Nb2Pb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Nb  1.6000  1.4500  0.8200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [5.4593]
_cell_length_b [5.4593]
_cell_length_c [9.8710]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [HfNbPbO6]
_chemical_formula_sum '[Hf2 Nb2 Pb2 O12]'
_cell_volume [254.7810]
_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  0.3333  0.6667  0.2500  1.0
  Nb  Nb1  2  0.3333  0.6667  0.7500  1.0
  Pb  Pb2  2  0.0000  0.0000  0.0000  1.0
  O  O3  12  0.0086  0.3701  0.6394  1.0
]