data_[Ho2Er2Pb2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [3.8166]
_cell_length_b [3.8166]
_cell_length_c [14.1065]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [HoErPbO2]
_chemical_formula_sum '[Ho2 Er2 Pb2 O4]'
_cell_volume [205.4855]
_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
[
  Ho  Ho0  2  0.0000  0.0000  0.8288  1.0
  Er  Er1  2  0.0000  0.0000  0.1717  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5004  1.0
  O  O3  4  0.0000  0.5000  0.2495  1.0
]