data_[Hf4Mg4Pb2O14]
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
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.1670]
_cell_length_b [17.7671]
_cell_length_c [4.1665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Hf2Mg2PbO7]
_chemical_formula_sum '[Hf4 Mg4 Pb2 O14]'
_cell_volume [308.4689]
_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  4  0.0000  0.1158  0.9904  1.0
  Mg  Mg1  4  0.0000  0.2469  0.5035  1.0
  Pb  Pb2  2  0.0000  0.5000  0.9137  1.0
  O  O3  4  0.0000  0.1254  0.5037  1.0
  O  O4  4  0.0000  0.2346  0.0046  1.0
  O  O5  4  0.0000  0.3833  0.5161  1.0
  O  O6  2  0.0000  0.0000  0.0500  1.0
]